using System;
using System.Collections.Generic;
using System.Text;
using System.Drawing;
using System.Text.RegularExpressions;
using System.IO;
using iTextSharp.text.pdf;
using iTextSharp.text;
using Itenso.Rtf;
using Itenso.Rtf.Parser;
using Itenso.Rtf.Interpreter;
using Itenso.Rtf.Support;
using Volian.Controls.Library;
using VEPROMS.CSLA.Library;
using Volian.Base.Library;

namespace Volian.Print.Library
{
	public partial class vlnParagraphs : List<vlnParagraph>
	{
		private vlnParagraph _Parent;
		public vlnParagraph Parent
		{
			get { return _Parent; }
			set { _Parent = value; }
		}
		public vlnParagraphs(vlnParagraph parent)
		{
			_Parent = parent;
		}
		public float Add(PdfContentByte cb, ItemInfoList itemInfoList, float xoff, float yoff, float yoffRight, int rnoLevel, int maxRNO, FormatInfo formatInfo)
		{
			int? bxIndex = null;
			vlnBox box = null;
			float yTop = yoff;
			foreach (ItemInfo childItemInfo in itemInfoList)
			{
				// if this is a caution/note and it has a caution/note substep, do it before this caution/note, so that
				// it comes above it.
				if (childItemInfo.Cautions != null && (childItemInfo.IsCaution || childItemInfo.IsNote))
					yoff = Add(cb, childItemInfo.Cautions, xoff, yoff, yoffRight, rnoLevel, maxRNO, formatInfo);
				if (childItemInfo.Notes != null && (childItemInfo.IsCaution || childItemInfo.IsNote))
					yoff = Add(cb, childItemInfo.Notes, xoff, yoff, yoffRight, rnoLevel, maxRNO, formatInfo);
				int? bxIndx = childItemInfo.FormatStepData==null?-1:childItemInfo.FormatStepData.StepLayoutData.STBoxindex;
				if (bxIndx != -1 && (bxIndex != bxIndx || childItemInfo.FormatStepData.BoxIt))
				{
					if (childItemInfo.FormatStepData.BoxIt)   // this is a boxed HLS
					{
						box = new vlnBox();
						box.MyBox = new Box();
						box.DefBox = vlnBox.BoxThin;
						StepSectionLayoutData ssld = formatInfo.MyStepSectionLayoutData;
						int colR = int.Parse(formatInfo.MyStepSectionLayoutData.ColRTable.Split(",".ToCharArray())[childItemInfo.ColumnMode]);
						int widS = vlnPrintObject.ToInt(formatInfo.MyStepSectionLayoutData.WidSTablePrint, maxRNO);
						box.DefEnd = (float)(ssld.ColS + colR + widS + (60/4.8));
						box.YOffset = yoff - .75F * vlnPrintObject.SixLinesPerInch;
					}
					else if (bxIndex == null) // First boxed step
					{
						box = new vlnBox();
						box.MyBox = formatInfo.PlantFormat.FormatData.BoxList[(int)bxIndx];
						if (box.MyBox != null)
						{
							box.YOffset = yoff;
							int ln = 1;	// a format flag determines whether there is a space before the note/caution.  
							if (childItemInfo.FormatStepData.OneLineBeforeTab) ln++;
							yoff += ln * vlnPrintObject.SixLinesPerInch;
						}
					}
					else // Change Box Style
					{
						if (box != null) box.Height = yoff - box.YOffset;  // new height, with children
						box = new vlnBox();
						box.MyBox = formatInfo.PlantFormat.FormatData.BoxList[(int)bxIndx];
						box.YOffset = yoff;
						int ln = 1;	// a format flag determines whether there is a space before the note/caution.
						if (childItemInfo.FormatStepData.OneLineBeforeTab) ln++;
						yoff += ln * vlnPrintObject.SixLinesPerInch;
					}
					bxIndex = bxIndx;
				}
				if (childItemInfo is SectionInfo) formatInfo = (childItemInfo as SectionInfo).LocalFormat ?? formatInfo;
				if (rnoLevel < maxRNO && childItemInfo.RNOs != null) yoff = Math.Max(yoff, yoffRight);
				
				
				vlnParagraph para = new vlnParagraph(Parent, cb, childItemInfo, xoff, yoff, rnoLevel, maxRNO, formatInfo);
				if (box != null && box.MyParent == null)
				{
					box.MyParent = para;
					para.PartsContainer.Add(box);
				}
				Add(para);
				// para.YBottomMost will have y for bottom of any substeps that are also enclosed in the box.
				if (childItemInfo.IsStep && childItemInfo.MyHLS.FormatStepData.UseSmartTemplate && para.ChildrenBelow.Count>0 && para.ChildrenBelow[0].YBottomMost > para.YBottomMost)
					yoff = para.ChildrenBelow[0].YBottomMost;
				else
				yoff = para.YBottomMost;
				if (childItemInfo.FormatStepData != null && childItemInfo.FormatStepData.BoxIt)
				{
					box.Height = yoff - box.YOffset - (1.1F * vlnPrintObject.SixLinesPerInch);
					box = null;   // if doing boxed steps, only do single sibling at a time.
				}
			}
			if (box != null && box.MyBox != null)
			{
				box.Height = yoff - box.YOffset;  // new height, with children
				yoff += 2 * vlnPrintObject.SixLinesPerInch;
			}
			return yoff;
		}
		public float ToPdf(PdfContentByte cb, float yPageStart, float yTopMargin, float yBottomMargin)
		{
			foreach (vlnParagraph child in this)
			{
				yPageStart = child.ToPdf(cb, yPageStart, yTopMargin, yBottomMargin);
			}
			return yPageStart;
		}
	}
	public partial class vlnParagraph : vlnPrintObject
	{
		private vlnTable _MyGrid;
		public vlnTable MyGrid
		{
			get { return _MyGrid; }
			set { _MyGrid = value; }
		}
		public float SectYPageStart = 0;
		private bool _IsWordDocPara = false;
		public bool IsWordDocPara
		{
			get { return _IsWordDocPara; }
			set { _IsWordDocPara = value; }
		}
		public float ParagraphToPdf(PdfContentByte cb, float yPageStart, float yTopMargin, float yBottomMargin)
		{
			if (Processed) return yPageStart;
			//float localYPageStart = yPageStart;
			Processed = true;
			if (_PartsAbove != null && _PartsAbove.Count > 0) yPageStart = PartsAbove.ToPdf(cb, yPageStart, yTopMargin, yBottomMargin);
			if (MyItemInfo.IsHigh && MyItemInfo.MyDocStyle.SpecialStepsFoldout) yPageStart -= SixLinesPerInch;
			float yLocation = CalculateYOffset(yPageStart, yTopMargin);
			if (MyItemInfo.HasChangeBar && MyPageHelper.ChangeBarDefinition.MyChangeBarType != PrintChangeBar.Without) MyPageHelper.AddChangeBar(DoChangeBar(cb, MyItemInfo, MyPageHelper, XOffset, yLocation, MyPageHelper.MaxRNO, MyItemInfo.ActiveFormat), cbMess);
			float retval = yLocation;

			if (MyItemInfo.IsFigure)
			{
				yLocation -= (SixLinesPerInch * MyPageHelper.YMultiplier);
				if (ImageText != null)
					retval = DrawFigure(cb, yBottomMargin, yLocation);
				else
					retval = DrawText(cb, ref yPageStart, yTopMargin, yBottomMargin, ref yLocation);

			}
			else if (!MyItemInfo.IsStepSection 
				|| (MyItemInfo.ActiveFormat.PlantFormat.FormatData.SectData.StepSectionData.StepSectionLayoutData.ShowSectionTitles 
				&& !MyItemInfo.MyDocStyle.CancelSectTitle
				&& !MyItemInfo.MyDocStyle.SpecialStepsFoldout)) // Don't ouput the Step Section title
			{
				bool doprint = true;
				// if this is a section, then check the section config for printable header too.
				if (MyItemInfo.IsSection)
				{
					SectionConfig sch = MyItemInfo.MyConfig as SectionConfig;
					if (!(MyItemInfo.ActiveFormat.PlantFormat.FormatData.SectData.StepSectionData.StepSectionLayoutData.ShowSectionTitles 
							&& !MyItemInfo.MyDocStyle.CancelSectTitle
							&& !MyItemInfo.MyDocStyle.SpecialStepsFoldout) 
						&& 
					((sch != null && sch.Section_PrintHdr != "Y") || !MyItemInfo.ActiveFormat.PlantFormat.FormatData.SectData.UseMetaSections)) doprint = false;
				}
				if (MyItemInfo.MyContent.MyGrid != null)
					retval = DrawGrid(cb, ref yPageStart, yTopMargin, yBottomMargin, ref yLocation);
				else
					if (doprint)retval = DrawText(cb, ref yPageStart, yTopMargin, yBottomMargin, ref yLocation);
				if (MyItemInfo.IsHigh)
				{
					MyPageHelper.PageBookmarks.Add(MyItemInfo, MyItemInfo.MyTab.CleanText + " " + MyItemInfo.DisplayText,
						new PdfDestination(PdfDestination.FITBH, yLocation + YVeryTop - YTopMost + SixLinesPerInch));
				}
			}
			if (MyItemInfo.IsSection)
			{
				SectionConfig sc = MyItemInfo.MyConfig as SectionConfig;
				if (sc != null && sc.Section_TOC == "Y")
				{
					string tocKey = string.Format("TOC{0}", MyItemInfo.ItemID);
					if (MyPageHelper.MyTOCPageCounts.ContainsKey(tocKey))
					{
						PageCount pc = MyPageHelper.MyTOCPageCounts[tocKey];
						pc.Total = MyPageHelper.CurrentPageNumber;
						pc.DrawTemplates();
					}
				}
			}
			//Height = yLocation - retval;
			if (_PartsLeft != null && _PartsLeft.Count > 0) yPageStart = PartsLeft.ToPdf(cb, yPageStart, yTopMargin, yBottomMargin);
			if (_PartsRight != null && _PartsRight.Count > 0) yPageStart = PartsRight.ToPdf(cb, yPageStart, yTopMargin, yBottomMargin);
			if (_PartsBelow != null && _PartsBelow.Count > 0) yPageStart = PartsBelow.ToPdf(cb, yPageStart, yTopMargin, yBottomMargin);
			if (_PartsContainer != null && _PartsContainer.Count > 0) yPageStart = PartsContainer.ToPdf(cb, yPageStart, yTopMargin, yBottomMargin);

			//if (localYPageStart != yPageStart) DebugText.WriteLine("ParToPdf-yPagestartDiff:{0},{1},{2}", MyItemInfo.ItemID, localYPageStart, yPageStart);
			return yPageStart;
		}

		private float DrawGrid(PdfContentByte cb, ref float yPageStart, float yTopMargin, float yBottomMargin, ref float yLocation)
		{
			//DebugText.WriteLine("{0},'{1}','{2}','<<END>>'", MyItemInfo.ItemID, MyItemInfo.ShortPath, FormattedText);
			DebugText.WriteLine("{0},'{1}','{2}','<<END>>',{3}", MyItemInfo.ItemID, MyItemInfo.ShortPath,MyItemInfo.MyContent.Text,XOffset);
			float retval = Rtf2Pdf.GridAt(cb, MyGrid, XOffset, yLocation, Width, 100, DebugInfo, yBottomMargin, !MyItemInfo.FormatStepData.Type.Contains("Borderless"));
			return retval;
		}

		private float DrawText(PdfContentByte cb, ref float yPageStart, float yTopMargin, float yBottomMargin, ref float yLocation)
		{
			DebugText.WriteLine("{0},'{1}','{2}','<<END>>'", MyItemInfo.ItemID, MyItemInfo.DBSequence, FormattedText);
			//Console.WriteLine("{0},{1},'{2}','<<END>>'", MyItemInfo.ItemID, MyItemInfo.DBSequence, IParagraph.Content);
			float retval = yLocation;
			// Check if only one line, i.e.  "Height < (1.2F * IParagraph.Leading".  The Leading can be for six or seven lines per inch, so the 1.2 
			// multiplier accounts for both.
			if (!MyItemInfo.IsStepSection && MyItemInfo.FormatStepData.CenterOneLineOnly && MyItemInfo.MyPrevious == null && MyItemInfo.NextItem == null && Height < (1.2F * IParagraph.Leading))
				IParagraph.Alignment = Element.ALIGN_CENTER;
			if (!MyItemInfo.IsStepSection && MyItemInfo.FormatStepData.StepPrintData.Justify == "Center")
				IParagraph.Alignment = Element.ALIGN_CENTER;
			retval = Rtf2Pdf.TextAt(cb, IParagraph, XOffset, yLocation, Width, 100, DebugInfo, yBottomMargin);
			if (retval == 0)		// problem occurred - paragraph was not able to be printed on page
			{						// pagination logic needs to be fixed.
				ForcePagination(cb, ref yPageStart, yTopMargin, yBottomMargin, ref yLocation, ref retval);
			}
			return retval;
		}
		private static List<string> myAttributes =new List<string>();
		private static void AddAttribute(string attr)
	{
		if (myAttributes.Contains(attr))
			return;
		//Console.WriteLine("Attribute = \"{0}\"", attr);
		myAttributes.Add(attr);
	}
		private void CheckAttributes(System.Collections.Hashtable attributes)
		{
			foreach (string attr in attributes.Keys)
			{
				AddAttribute(attr);
			}
		}
		private string FormattedText
		{
			get
			{
				bool subscript = false;
				//if (_MyItemInfo.ItemID == 467)
				//  Console.Write("");
				StringBuilder sb = new StringBuilder();
				//if (IParagraph.Chunks.Count > 1)
				//  Console.WriteLine("{0} Chunks", IParagraph.Chunks.Count);
				foreach (Chunk chk in IParagraph.Chunks)
				{
					string prefix = "";
					string suffix = "";
					CheckAttributes(chk.Attributes);
					if (chk.Font.BaseFont != null && chk.Font.BaseFont.PostscriptFontName.ToUpper().Contains("BOLD"))
					{
					  prefix += "\xD5";
					  suffix = "\xD6" + suffix;
					}
					if (chk.Attributes.ContainsKey("SUBSUPSCRIPT"))
					{
						float sup = (float)(chk.Attributes["SUBSUPSCRIPT"]);
						if (sup > 0)
						{
							prefix += "\xA6";
							suffix = "\xD1" + suffix;
						}
						else if (sup < 0)
						{
							prefix += "\xD1";
							suffix = "\xA6" + suffix;
						}
						
					}
					if (chk.Attributes.ContainsKey("UNDERLINE"))
					{
						prefix += "\x16";
						suffix = "\x16" + suffix; ;
					}
					sb.Append(prefix + chk.Content + suffix);
				}
				string retval = sb.ToString();
				retval = retval.Replace("\xD1\xA6", "");// Remove Multiple Superscript commands in a row
				retval = retval.Replace("\xA6\xD1", "");// Remove Multiple Superscript commands in a row
				retval = retval.Replace("\xD6\xD5", "");
				retval = retval.Replace("\xD6\x16\xD5", "\x16");
				return retval;
			}
		}
		//private bool _TextDebug = false; //true; this will turn on a writeline with debug in DrawText()
		private float DrawFigure(PdfContentByte cb, float yBottomMargin, float yLocation)
		{
			float retval = yLocation;
			if (ImageText != null)
			{
				string[] vals = ImageText.Split("\n".ToCharArray());
				ProcedureInfo proc = MyItemInfo.MyProcedure;
				DocVersionInfo dvi = proc.ActiveParent as DocVersionInfo;
				ROFstInfo rofst = dvi.DocVersionAssociations[0].MyROFst;
				ROImageInfo roImage = ROImageInfo.GetByROFstID_FileName(rofst.ROFstID, vals[0]);
				if (roImage != null)
				{
					iTextSharp.text.Image it_image = iTextSharp.text.Image.GetInstance(roImage.Content);
					retval = Rtf2Pdf.FigureAt(cb, it_image, XOffset + MyItemInfo.FormatStepData.Font.CharsToTwips, yLocation, Width * MyPageHelper.YMultiplier, Height * MyPageHelper.YMultiplier, DebugInfo, yBottomMargin, !MyItemInfo.FormatStepData.Type.Contains("Borderless"));
				}
			}
			return retval;
		}
		private string DebugInfo
		{
			get
			{
				return string.Format("DebugID = {0}, ID={1} Type={2} TypeName='{3}' StepLevel={4} DBSequence={5}", DebugId, MyItemInfo.ItemID, MyItemInfo.FormatStepType, MyItemInfo.FormatStepData==null?"NoStepData":MyItemInfo.FormatStepData.Type, MyItemInfo.StepLevel, MyItemInfo.DBSequence);
			}
		}
		public override float ToPdf(PdfContentByte cb, float yPageStart, float yTopMargin, float yBottomMargin)
		{
			if (IsWordDocPara)
			{
				PdfReader tmp = null;
				string tmpstr = null;
				SectionInfo si = SectionInfo.Get(MyItemInfo.ItemID);
				cb.PdfDocument.NewPage();
				MyPageHelper.MyPromsPrinter.CreateWordDocPdf(cb, si, ref tmp, ref tmpstr);
				Processed = true;
				return yPageStart;
			}
			float yLocalypagestart = yPageStart;
			// yPageStart is offset into roll; YTopMost is offset of topmost of this paragraph.
			float yLocation = yPageStart - YTopMost;
			DebugText.WriteLine("ToPdf1:{0},'{1}',{2},{3},{4},{5}", MyItemInfo.ItemID, MyItemInfo.ShortSearchPath, XOffset, yLocation, yPageStart, YTopMost);
			int paginate = Paginate(yLocation, yTopMargin, yBottomMargin);
			bool firstHighLevelStep = MyItemInfo.IsHigh && (MyItemInfo.MyPrevious == null);
			switch (paginate)
			{
				case 0: // No page break
					if (MyItemInfo.IsSection)
					{
						SectionInfo si = MyItemInfo as SectionInfo;
						MyPageHelper.PageBookmarks.Add(MyItemInfo, ((si.DisplayNumber ?? "") == "" ? "" : si.DisplayNumber + " - ") + si.DisplayText, null);
						DoCheckOffHeader(cb, MyItemInfo, yLocation, yTopMargin, yPageStart);
					}
					break;
				case 1: // Break on High Level Step
					OutputOtherPageSteps(cb, YTopMost, yPageStart, yTopMargin, yBottomMargin);
					cb.PdfDocument.NewPage();
					DebugText.WriteLine("Paginate1");
					if (MyItemInfo.IsSection)
					{
						SectionInfo si = MyItemInfo as SectionInfo;
						MyPageHelper.PageBookmarks.Add(MyItemInfo, ((si.DisplayNumber ?? "") == "" ? "" : si.DisplayNumber + " - ") + si.DisplayText, null);
					}
					// Only do foldout page if not done for section break, i.e. check the there's a previous step.
					if (MyItemInfo.MyPrevious != null && (MyItemInfo.ActiveSection.MyDocStyle.StructureStyle.Style ?? 0 & E_DocStructStyle.UseSectionFoldout) != 0)
						PromsPrinter.DoFoldoutPage(cb, "HLS", MyPageHelper.TextLayer, MyPageHelper);
					
					yPageStart = yTopMargin + YTopMost;
					DoCheckOffHeader(cb, MyItemInfo, yLocation, yTopMargin, yPageStart);
					MyPageHelper.YMultiplier = 1;
					break;
				case 2: // Break within a Step
					OutputOtherPageSteps(cb, YTopMost, yPageStart, yTopMargin, yBottomMargin);
					DocStyle docstyle = MyItemInfo.MyDocStyle;
					string myMsg = docstyle.Continue.Bottom.Message;
					if (myMsg != null && myMsg != "")
					{
						if (myMsg.IndexOf(@"%d") > -1)
							myMsg = myMsg.Replace(@"%d", MyItemInfo.MyHLS.MyTab.CleanText.Trim());
						if (myMsg.IndexOf(@"%2d") > -1)
							myMsg = myMsg.Replace(@"%2d", MyItemInfo.MyHLS.MyTab.CleanText.Trim(" .".ToCharArray()).PadLeft(2));
						float msg_yLocation = 0;
						if (myMsg.Contains("{par}"))
						{
							myMsg = myMsg.Replace("{par}", "");
							msg_yLocation = -SixLinesPerInch;
						}
						switch (docstyle.Continue.Bottom.Location)
						{
							case E_ContBottomLoc.EndOfText:					// place continue string at end of text
							case E_ContBottomLoc.BtwnTextAndBottom:			// place continue string between end of text & bottom of page
								Console.WriteLine("Not done yet");
								break;
							case E_ContBottomLoc.BottomOfPage:				// place continue message at bottom of page
								//msg_yLocation = yBottomMargin + 2 * SixLinesPerInch + (float)docstyle.Layout.FooterLength;   // 2 lines above bottom margin
								msg_yLocation = msg_yLocation + yBottomMargin + (float)docstyle.Layout.FooterLength;
								break;
							default:
								Console.WriteLine("**** BOTTOM CONTINUE MESSAGE NOT CODED*****");
								break;
						}
						MyPageHelper.BottomMessage = new vlnText(cb, this, myMsg, myMsg, docstyle.Layout.LeftMargin + XOffsetBox + docstyle.Continue.Bottom.Margin ?? 0, msg_yLocation, docstyle.Continue.Bottom.Font);// MyItemInfo.ActiveFormat.PlantFormat.FormatData.Font);
					}
					cb.PdfDocument.NewPage();
					DebugText.WriteLine("Paginate2");
					if ((MyItemInfo.ActiveSection.MyDocStyle.StructureStyle.Style ?? 0 & E_DocStructStyle.UseSectionFoldout) != 0)
						PromsPrinter.DoFoldoutPage(cb, "Break within Step", MyPageHelper.TextLayer, MyPageHelper);	// temporary foldout

					// If there is a box, adjust the yTopMost to include it.
					float yTopMost = YTopMost;
					//if (YVeryTop < yTopMost) Console.WriteLine("{0},{1},{2}", MyItemInfo.DBSequence, yTopMost, YVeryTop);
					yTopMost = Math.Min(yTopMost,YVeryTop);
					yPageStart = yTopMargin + yTopMost;// -2 * SixLinesPerInch;
					DoCheckOffHeader(cb, MyItemInfo, yLocation, yTopMargin, yPageStart);
					if (EmptyTopMostPart) yPageStart += SixLinesPerInch;
					myMsg = docstyle.Continue.Top.Message;
					if (myMsg != null && myMsg != "")
					{
						yPageStart -= 2 * SixLinesPerInch;// Allow two lines for top continue message
						if (myMsg.IndexOf(@"%d") > -1)
							myMsg = myMsg.Replace(@"%d", MyItemInfo.MyHLS.MyTab.CleanTextNoSymbols.Trim(" .".ToCharArray()));
						MyPageHelper.TopMessage = new vlnText(cb, this, myMsg, myMsg, docstyle.Layout.LeftMargin + XOffsetBox + docstyle.Continue.Top.Margin ?? 0, yTopMargin + 0.1F, docstyle.Continue.Top.Font);// MyItemInfo.ActiveFormat.PlantFormat.FormatData.Font);
					}
					MyPageHelper.YMultiplier = 1;
					break;
				case 3: // Break on High Level Step (SevenLinesPerInch)
					if (!firstHighLevelStep)
					{
						OutputOtherPageSteps(cb, YTopMost, yPageStart, yTopMargin, yBottomMargin);
						cb.PdfDocument.NewPage();	// HLS (7 lpi) breakif (MyItemInfo.IsSection)
						DebugText.WriteLine("Paginate3");
						if (MyItemInfo.IsSection)
						{
							SectionInfo si = MyItemInfo as SectionInfo;
							MyPageHelper.PageBookmarks.Add(MyItemInfo, ((si.DisplayNumber ?? "") == "" ? "" : si.DisplayNumber + " - ") + si.DisplayText, null);
						}
						if ((MyItemInfo.ActiveSection.MyDocStyle.StructureStyle.Style ?? 0 & E_DocStructStyle.UseSectionFoldout) != 0)
							PromsPrinter.DoFoldoutPage(cb, "HLS (7 lpi) break", MyPageHelper.TextLayer, MyPageHelper);
					}
					if (MyItemInfo.MyParent != null && MyItemInfo.MyParent.IsStepSection &&
						MyItemInfo.ActiveFormat.PlantFormat.FormatData.SectData.StepSectionData.StepSectionLayoutData.ShowSectionTitles
						&& !MyItemInfo.MyDocStyle.CancelSectTitle
						&& !MyItemInfo.MyDocStyle.SpecialStepsFoldout)
						yPageStart = yPageStart;		// if printing the section title, we already have the y location
					else
						yPageStart = yTopMargin + YTopMost;
					MyPageHelper.YMultiplier = _SevenLinesPerInch / SixLinesPerInch;
					DoCheckOffHeader(cb, MyItemInfo, yLocation, yTopMargin, yPageStart);
					break;
			}
			yPageStart = ChildrenAbove.ToPdf(cb, yPageStart, yTopMargin, yBottomMargin);
			yPageStart = ChildrenLeft.ToPdf(cb, yPageStart, yTopMargin, yBottomMargin);
			yPageStart = ParagraphToPdf(cb, yPageStart, yTopMargin, yBottomMargin);
			yPageStart = ChildrenRight.ToPdf(cb, yPageStart, yTopMargin, yBottomMargin);
			yPageStart = ChildrenBelow.ToPdf(cb, yPageStart, yTopMargin, yBottomMargin);

			if (MyItemInfo.IsHigh && MyItemInfo.NextItem == null)		// last hls, add the 'end' message, if there is one
			{
				DocStyle docstyle = MyItemInfo.MyDocStyle;
				string myMsg = (docstyle.End == null) ? null : docstyle.End.Message;
				if (myMsg != null)
				{
					// If the flag is 0 or 1, just put the end message out right below this vlnParagraph:
					float msg_yLocation = CalculateYLocation(yPageStart - YBottomMost, yTopMargin);

					// use the 'flag' to position the message.
					if (docstyle.End.Flag > 2)		// >2 position at an absolute location defined by docstyle.End.Flag.
					{
						msg_yLocation = yTopMargin - (float)(docstyle.End.Flag * SixLinesPerInch);
					}

					if (myMsg.Contains("{Section Number}")) myMsg = myMsg.Replace("{Section Number}", MyItemInfo.ActiveSection.DisplayNumber);
					
					// center the message.
					float wtpm = (float)docstyle.Layout.PageWidth - (float)docstyle.Layout.LeftMargin;
					float centerpos = XOffsetBox + (float)docstyle.Layout.LeftMargin + (wtpm - (myMsg.Length * MyItemInfo.FormatStepData.Font.CharsToTwips)) / 2;
					MyPageHelper.BottomMessage = new vlnText(cb, this, myMsg, myMsg, centerpos, msg_yLocation, docstyle.End.Font);
				}
			}
			if (yLocalypagestart != yPageStart) DebugText.WriteLine("ToPdf-yPagestartDiff:{0},{1},{2}", MyItemInfo.ItemID, yLocalypagestart, yPageStart);
			return yPageStart;
		}
		private vlnParagraph TopMostChild
		{
			get
			{
				if (ChildrenAbove.Count>0) return ChildrenAbove[0].TopMostChild;
				return this;
			}
		}
		private bool EmptyTopMostPart
		{
			get
			{
				if (TopMostChild.PartsAbove.Count == 0) return false;
				foreach (vlnPrintObject po in TopMostChild.PartsAbove)
				{
					vlnHeader hd = po as vlnHeader;
					if (hd == null) return false;
					if (hd.Text != "") return false;
				}
				return true;
			}
		}
		private void OutputOtherPageSteps(PdfContentByte cb, float YTopMost, float yPageStart, float yTopMargin, float yBottomMargin)
		{
			// Find any items remaining in MyPageHelper.MyParagraphs that should be printed on this page.
			vlnParagraphs process = new vlnParagraphs(null);
			foreach (vlnParagraph vPara in MyPageHelper.MyParagraphs.Values)
			{
				//if (!vPara.Processed && ((vPara.YOffset + vPara.Height) < YTopMost))
				if (!vPara.Processed && ((vPara.YOffset) < YTopMost))
					process.Add(vPara);
			}
			foreach (vlnParagraph vPara in process)
			{
				vPara.ParagraphToPdf(cb, yPageStart, yTopMargin, yBottomMargin);
			}
		}
		private float _YVeryTop = -1;
		public float YVeryTop
		{
			get 
			{
				if (_YVeryTop == -1)
				{
					_YVeryTop = YTop;
					_YVeryTop = VeryTop(PartsAbove,_YVeryTop);
					_YVeryTop = VeryTop(PartsContainer,_YVeryTop);
				}
				return _YVeryTop; 
			}
		}

		private float VeryTop(vlnPrintObjects parts, float yVeryTop)
		{
			if (parts != null)
				foreach (vlnPrintObject part in parts)
					if (part.YOffset < yVeryTop)
						yVeryTop = part.YOffset;
			return yVeryTop;
		}
		/// <summary>
		/// This gets the height of the step with it's Caution's, Notes and potentially any First Substeps
		/// </summary>
		/// <returns></returns>
		private float GetFirstPieceSize()
		{
			vlnParagraph paraLast = GetFirstPieceLastPart();
			float retval = (paraLast.YBottom) - YTopMost;
			//Console.WriteLine(MyItemInfo.DBSequence);
			return retval;
		}
		public override float YBottom
		{
			get
			{
				float bottom = YOffset + Height;
				if (PartsBelow != null)
				{
					foreach (vlnPrintObject part in PartsBelow)
					{
						float partBottom = part.YBottom;
						bottom = Math.Max(partBottom, bottom);
					}
				}
				return bottom;
			}
		}
		public float YBottomText
		{
			get
			{
				return YOffset + Height;
			}
		}
		private vlnParagraph GetFirstPieceLastPart()
		{
			vlnParagraph para = this;
			if (!MyItemInfo.ActiveFormat.MyStepSectionLayoutData.PaginateOnFirstSubstep && ChildrenBelow != null && ChildrenBelow.Count > 0)
			{
				para = ChildrenBelow[0].GetFirstPieceLastPart();
			}
			if (ChildrenRight != null && ChildrenRight.Count > 0)
			{
				foreach(vlnParagraph paraRight in ChildrenRight)
				{
					vlnParagraph paraRightLast = paraRight.GetFirstPieceLastPart();
					if (paraRightLast.YBottom > para.YBottom)
						para = paraRightLast;
				}
			}
			return para;
		}
		/// <summary>
		/// Find items from previous page (yLocation less than yTop) and remove them from the list.  
		/// yTop is the new starting location on the next page for this step.
		/// </summary>
		/// <param name="myList"></param>
		/// <param name="yTop"></param>
		private void RemoveProcessedParagraphs(StepLevelList myList, float yTop)
		{
			// the two CleanUpLists are used to remove items from 
			// the original list because list items cannot be removed in a
			// 'foreach'.
			List<int> CleanupListStepLevel = new List<int>();
			foreach(int stepLevel in myList.Keys)
			{
				List<float> CleanupListYLocation = new List<float>();
				SortedList<float, float> AdjustYLocation = new SortedList<float,float>();
				foreach (float yLocation in myList[stepLevel].Keys)
				{
					if (-yLocation <= yTop)
						CleanupListYLocation.Add(yLocation);
					else
						AdjustYLocation.Add(-yLocation, yLocation);  // order in ascending order
				}
				foreach (float yLocation in CleanupListYLocation)
					myList[stepLevel].Remove(yLocation);
				foreach (float yLocation in AdjustYLocation.Keys)
				{
					vlnParagraph para = myList[stepLevel][-yLocation];
					myList[stepLevel].Remove(-yLocation);
					// shift yLocation by yTop to work with items whose locations
					// are defined from the top of the new page rather than 
					// from the beginning of the step.
					// Note that yLocation is negative to have items in descending
					// order so that adding yTop decrements their values.
					myList[stepLevel].Add(yTop-yLocation, para);
				}
				if (myList[stepLevel].Count == 0)
					CleanupListStepLevel.Add(stepLevel);
			}
			foreach (int stepLevel in CleanupListStepLevel)
				myList.Remove(stepLevel);
		}
		/// <summary>
		/// Builds a list of paragraphs by StepLevel and yLocation in descending order.
		/// </summary>
		/// <param name="yTopMost"></param>
		/// <param name="myList"></param>
		private void BuildLocationList(float yTopMost, ParagraphLocations myLocations)
		{
			foreach (vlnParagraph child in ChildrenAbove)
				child.BuildLocationList(yTopMost, myLocations);
			foreach (vlnParagraph child in ChildrenLeft)
				child.BuildLocationList(yTopMost, myLocations);

			// Add a list entry consisting of StepLevel, yoffset from the beginning of this step, paragraph itself
			myLocations.Add(this, yTopMost);

			foreach (vlnParagraph child in ChildrenRight)
				child.BuildLocationList(yTopMost, myLocations);
			foreach (vlnParagraph child in ChildrenBelow)
				child.BuildLocationList(yTopMost, myLocations);
		}
		private int COL_WID_ADJ = 6;	// adjusts for incorrect use of WidSTable when breaking a line (it breaks 6 chars too short)
		public vlnParagraph(vlnParagraph parent, PdfContentByte cb, ItemInfo itemInfo, float xoff, float yoff, int rnoLevel, int maxRNO, FormatInfo formatInfo)
		{
			float savCheckListBottomMost = 0;
			//int[] problemIDs = { 889 };
			//List<int> lProblemIDs = new List<int>(problemIDs);
			//if (lProblemIDs.Contains(itemInfo.ItemID))
			//  Console.WriteLine("Found Item {0}", itemInfo.ItemID);formatInfochecko
			MyParent = parent;
			// The following code determines the last paragraph for an RNO
			// MyTopRNO finds the Top paragraph for an RNO
			if (itemInfo.IsInRNO)
			{
				if (rnoLevel <= maxRNO && itemInfo.IsRNOPart) // Not top level RNO
					MyTopRNO = this;
				else
					MyTopRNO = MyParent.MyTopRNO;
				if(MyTopRNO != null) MyTopRNO.LastRNO = this;
			}
			MyContentByte = cb;
			MyPageHelper.MyParagraphs.Add(itemInfo.ItemID, this);
			MyItemInfo = itemInfo;
			XOffset = xoff;
			if (!MyItemInfo.IsStep && !MyItemInfo.IsStepSection)
			{
				IsWordDocPara = true;
				// special case - this is a 'Word Doc' paragraph. The Processed flag is used to know
				// that steps need put out on a page for the pagination logic, and since there are no steps 
				// we don't want to have to worry about putting this out for pagination logic.
				Processed = true;			
				return;
			}
			YTopMost = YOffset = yoff;
			vlnTab mytab = null;
			bool doSectTab = false;
			// if this substep has a caution or note as its parent, then there may have been a special indent done on the
			// substep... check the CautionOrNoteSubstepIndent value, this is the additional indent amount in number
			// of characters.
			if (itemInfo.MyParent.IsCaution || itemInfo.MyParent.IsNote)
				XOffset += 72 * (itemInfo.FormatStepData.CautionOrNoteSubstepIndent == null ? 0 : (float)itemInfo.FormatStepData.CautionOrNoteSubstepIndent / (float)itemInfo.FormatStepData.Font.CPI);

			if (itemInfo.IsStep && itemInfo.MyHLS.FormatStepData.UseSmartTemplate &&
				itemInfo.FormatStepData.StepLayoutData.AlignWithParentTab 
				|| (itemInfo.Steps != null && itemInfo.Steps.Count > 0 && itemInfo.Steps[0].FormatStepData.StepLayoutData.AlignWithParentTab))
				itemInfo.MyTab = null;
			if (itemInfo.MyTab != null && itemInfo.MyTab.Text != null && itemInfo.MyTab.Text != "")
			{
				float localXOffset = XOffset;
				bool doprint = true;
				if (itemInfo.IsSection)
				{
					SectionConfig sch = MyItemInfo.MyConfig as SectionConfig;
					if (!(MyItemInfo.ActiveFormat.PlantFormat.FormatData.SectData.StepSectionData.StepSectionLayoutData.ShowSectionTitles
							&& !MyItemInfo.MyDocStyle.CancelSectTitle
							&& !MyItemInfo.MyDocStyle.SpecialStepsFoldout)
						&&
					((sch != null && sch.Section_PrintHdr != "Y") || !MyItemInfo.ActiveFormat.PlantFormat.FormatData.SectData.UseMetaSections)) doprint = false;
				}
				if (doprint && itemInfo.IsSection && !itemInfo.MyDocStyle.CancelSectTitle && itemInfo.MyTab.Text.ToUpper() != "FOLDOUT")
				{
					doSectTab = true;
					if (itemInfo.IsStepSection && formatInfo.PlantFormat.FormatData.SectData.SectionNumber.Just == "PSLeft")
					{
						float offset = (float)itemInfo.MyDocStyle.Layout.LeftMargin;
						if (formatInfo.PlantFormat.FormatData.SectData.SectionNumber.Pos != null)
						{
							// determine level of metasections.  This level will be used to calculate the
							// indent.     DO I NEED THIS HERE????
							int level = 0;
							ItemInfo iilvl = itemInfo;
							while (!iilvl.IsProcedure)
							{
								level++;
								iilvl = iilvl.MyParent;
							}
							level = level <= 2 ? 1 : level - 1;
							if (level == 1)
							offset += (float)formatInfo.PlantFormat.FormatData.SectData.SectionNumber.Pos;
							else
								offset += (level-1) * ((float)formatInfo.PlantFormat.FormatData.SectData.SectionHeader.Pos-(float)formatInfo.PlantFormat.FormatData.SectData.SectionNumber.Pos);
						}
						localXOffset = offset;
					}
				}
				if (!itemInfo.IsSection || doSectTab)
				{
					mytab = new vlnTab(cb, this, itemInfo.MyTab.Text, itemInfo.MyTab.CleanText, localXOffset, yoff, itemInfo.MyTab.MyFont, doSectTab, StepRTB.MySymbolFontName, itemInfo.MyTab.RemovedStyleUnderline);
					PartsLeft.Add(mytab);
					if (mytab.MyMacro != null) PartsLeft.Add(mytab.MyMacro);
				}
			}
			AdjustWidth(itemInfo, maxRNO, formatInfo, mytab);
			AdjustXOffsetForTab(itemInfo, maxRNO, formatInfo, mytab);
			if (itemInfo.MyHeader != null && itemInfo.MyHeader.Text != null && !doSectTab)
				yoff += SetHeader(this, cb, itemInfo, formatInfo);
			if (itemInfo.Cautions != null && !(itemInfo.IsCaution || itemInfo.IsNote))
				yoff = ChildrenAbove.Add(cb, itemInfo.Cautions, xoff, yoff, yoff, rnoLevel, maxRNO, formatInfo);
			if (itemInfo.Notes != null && !(itemInfo.IsCaution || itemInfo.IsNote))
				yoff = ChildrenAbove.Add(cb, itemInfo.Notes, xoff, yoff, yoff, rnoLevel, maxRNO, formatInfo);

			// If the format has that extra space should be put out before the step, then
			// handle this by using the 'PartsAbove' structure.  By using the parts above, the extra
			// space above will be done regardless of where page breaks fall.
			float addExtraSpace = (MyItemInfo.FormatStepData == null) ? 0 : MyItemInfo.FormatStepData.StepLayoutData.STExtraSpace ?? 0;
			// If a high level step, the 16bit code uses the value of the extra space
			// from the high level step format regardless of what type of high level step it is: 
			if (MyItemInfo.IsHigh)
				addExtraSpace = MyItemInfo.ActiveFormat.PlantFormat.FormatData.StepDataList[2].StepLayoutData.STExtraSpace ?? 0;
			if (addExtraSpace > 0) this.PartsAbove.Add(new vlnText(cb, this, " ", " ", 0, yoff, MyItemInfo.FormatStepData.Font));
			yoff += addExtraSpace;

			YTop = yoff;
			YOffset = yoff;
			if (mytab != null && mytab.SeparateBullet)
			{
				string identB = formatInfo.PlantFormat.FormatData.SectData.StepSectionData.IdentB;
				vlnText myBullet = new vlnText(cb, this, identB, identB, XOffset - 12, YOffset, MyItemInfo.FormatStepData.TabData.Bullet.Font);
				myBullet.Rtf = myBullet.Rtf.Replace("\u25CF", @"\f1\u9679?\f0 ");
				PartsLeft.Add(myBullet);
			}
			if (itemInfo.IsRNOPart)
			{
				// there may be other places that double space, but this supports it for RNOs (the DoubleRNOspace flag)
				if (rnoLevel > maxRNO && itemInfo.FormatStepData.DoubleSpace) yoff = YOffset = yoff + SixLinesPerInch;
			}
			AddMacros(itemInfo, mytab);
			if (mytab != null)
			{
				mytab.YOffset = yoff;
				if (mytab.MyMacro != null) mytab.MyMacro.YOffset = yoff;
			}
			float yForCheckoff = yoff; //0; - default checkoff row is same as FIRST line of text
			// if dropCheckoff is true, then the checkoff is place on the same of row as the LAST line of text
			bool dropCheckoff = itemInfo.ActiveFormat.PlantFormat.FormatData.ProcData.CheckOffData.DropCheckOff;
			if (itemInfo.MyContent.MyGrid != null)
			{
				VlnFlexGrid myFlexGrid = new VlnFlexGrid(1,1);
				myFlexGrid.LoadGrid(itemInfo);
				MyGrid = new vlnTable(myFlexGrid, cb);
				Height = MyGrid.Height;
				Width = MyGrid.Width;
				//yForCheckoff = yoff + Height - SixLinesPerInch;
				if (dropCheckoff)
					yForCheckoff += Height - SixLinesPerInch; // place checkoff on last row of text
				yoff += (Height + (2 * SixLinesPerInch));
				CalculateXOffset(itemInfo, maxRNO, formatInfo);
			}
			else if (itemInfo.IsFigure)		// if a figure we've got to determine the size:
			{
				string erMsg = null;
				if (itemInfo.MyContent.Text != null)
				{
					ProcedureInfo proc = itemInfo.MyProcedure;
//					DocVersionInfo dvi = proc.ActiveParent as DocVersionInfo;
					DocVersionInfo dvi = proc.MyDocVersion;
					ROFstInfo rofst = dvi.DocVersionAssociations[0].MyROFst;
					rofst.docVer = dvi;
					ROFSTLookup lookup = rofst.ROFSTLookup;
					string linkInfoText = itemInfo.MyContent.Text.Replace(@"\v ", "");
					if (linkInfoText.Contains("?"))
						erMsg = "RO was not found during data migration.";
					else
					{
					Match m = Regex.Match(linkInfoText, @"(.*)[#]Link:([A-Za-z]*):(.*)");
					string[] subs = m.Groups[3].Value.Split(" ".ToCharArray());
					string roid = subs[1];
					string val = lookup.GetRoValue(subs[1]);
					if (val == null) val = lookup.GetRoValue(subs[1].Substring(0, 12));
					if (val != null)
					{
						string[] vals = val.Split("\n".ToCharArray());
						Width = Int32.Parse(vals[3], System.Globalization.NumberStyles.AllowHexSpecifier) * MyItemInfo.FormatStepData.Font.CharsToTwips;
						int lines = Int32.Parse(vals[2], System.Globalization.NumberStyles.AllowHexSpecifier);
						Height = lines * SixLinesPerInch;
						//yForCheckoff = yoff + Height - SixLinesPerInch;
						if (dropCheckoff)
							yForCheckoff += Height - SixLinesPerInch; // place checkoff on last row of text
						yoff += (Height + (2 * SixLinesPerInch));

						try
						{
							ROImageInfo roImage = ROImageInfo.GetByROFstID_FileName(rofst.ROFstID, vals[0]);
							if (roImage != null)
								ImageText = val;
							else
								erMsg = string.Format("Image {0} does not exist.", vals[0]);
						}

						catch (Exception ex)
						{
							erMsg = string.Format("Image {0} does not exist, error = {1}.", vals[0], ex.Message);
						}
					}
					}
					if (erMsg != null) Rtf = GetRtf(erMsg, itemInfo.ActiveFormat.PlantFormat.FormatData.Font);
					CalculateXOffset(itemInfo, maxRNO, formatInfo);
				}
			}
			else
			{
				Rtf = GetRtf(itemInfo);
				// Need the following with some modifications for WCNCKL format:
				if (Rtf.Contains("{Backspace}"))
				{
					XOffset -= 22;
					Width += 24;
					Rtf = Rtf.Replace("{Backspace}", "");
				}
				if (itemInfo.IsStep && itemInfo.MyHLS.FormatStepData.UseSmartTemplate)
				{
					if (itemInfo.FormatStepData.StepLayoutData.AlignWithParentTab 
					|| (itemInfo.Steps != null && itemInfo.Steps.Count > 0 && itemInfo.Steps[0].FormatStepData.StepLayoutData.AlignWithParentTab))
					{
						int stplevl = TheStepLevel(itemInfo);
						if (stplevl >= 0 && MyItemInfo.MyHLS.FormatStepData.VertPos[stplevl] > 0)
							XOffset = float.Parse(MyItemInfo.MyHLS.FormatStepData.VertPos.Split(",".ToCharArray())[stplevl]) + (float)itemInfo.MyDocStyle.Layout.LeftMargin;
					}
				}
				if (itemInfo.IsTablePart)			// Not for grid, this is for old-style tables.
				{
					Width = GetTableWidth(cb, IParagraph, MyItemInfo.MyDocStyle.Layout.PageWidth);
					CalculateXOffset(itemInfo, maxRNO, formatInfo);
				}
				else
					if (itemInfo.FormatStepData != null && itemInfo.FormatStepData.StepPrintData != null) XOffset += (float)(itemInfo.FormatStepData.StepPrintData.PosAdjust ?? 0);

				bool printMetaHdr = false;
				if (itemInfo.Steps != null && itemInfo.IsSection && itemInfo.Sections != null && itemInfo.Sections.Count > 0)
				{
					SectionConfig sc = itemInfo.MyConfig as SectionConfig;
					if ((sc != null && sc.Section_PrintHdr == "Y") && itemInfo.ActiveFormat.PlantFormat.FormatData.SectData.UseMetaSections) printMetaHdr = true;
				}

				// If WCN checklists, the substeps are printed in a row, need to keep track of the 'longest' in
				// y direction (bottommost) across the row.
				if (itemInfo.IsStep && itemInfo.MyHLS.FormatStepData.UseSmartTemplate && (TheStepLevel(itemInfo)>0))
				{
					// do I need to get max of savCheckListBottomMost & (yoff+Height+SixLinesPerInch)
					savCheckListBottomMost = yoff + Height + SixLinesPerInch;
				}
				// Get Y offset for regular steps, or if section title is output or if not within row (not last column of
				// text) for wcn checklist, i.e. .
				if ((!itemInfo.IsStepSection && !itemInfo.MyHLS.FormatStepData.UseSmartTemplate)
					|| printMetaHdr ||
					(formatInfo.PlantFormat.FormatData.SectData.StepSectionData.StepSectionLayoutData.ShowSectionTitles 
					&& !MyItemInfo.MyDocStyle.CancelSectTitle
					&& !MyItemInfo.MyDocStyle.SpecialStepsFoldout)
					// In WCN Checklist: I don't have children or if I have children the first child doesn't alignwithparent.
					|| (!itemInfo.IsStepSection && itemInfo.MyHLS.FormatStepData.UseSmartTemplate
						&& ((itemInfo.Steps == null || itemInfo.Steps.Count == 0)
						|| !itemInfo.Steps[0].FormatStepData.StepLayoutData.AlignWithParentTab)))
				{
					yoff += Height;
					yoff += AdjustForBlankLines();
					if (dropCheckoff)
						yForCheckoff += Height - SixLinesPerInch; // place checkoff on last row of text
				}
			}
			CheckOff co = itemInfo.GetCheckOffStep();
			if (co != null)
			{
				//float xloc_co = (float)formatInfo.PlantFormat.FormatData.ProcData.CheckOffData.XLocation + (float)itemInfo.MyDocStyle.Layout.LeftMargin;
				float xloc_co = (float)itemInfo.MyDocStyle.Layout.LeftMargin;
				if (formatInfo.PlantFormat.FormatData.ProcData.CheckOffData.XLocation != null)
					xloc_co += (float)formatInfo.PlantFormat.FormatData.ProcData.CheckOffData.XLocation;
				PartsRight.Add(new vlnMacro(xloc_co, yForCheckoff, co.Macro));
			}
			float yOffRight = yoff;
			float RnoOffset = ToInt(formatInfo.MyStepSectionLayoutData.ColRTable, maxRNO);
			if (rnoLevel < maxRNO && itemInfo.RNOs != null) yOffRight = ChildrenRight.Add(cb, itemInfo.RNOs, XOffset + RnoOffset, YTop, YTop, rnoLevel + 1, maxRNO, formatInfo);
			// Need code to determine if the table will overlap the Right Column if it does then 
			// use YOffRight rather than yoff
			if (itemInfo.Tables != null)
			{
				bool aerTableOrFigure = itemInfo.FormatStepData.Type.Contains("AER");
				// get the first table & see if it is borderless.  If borderless, 16bit code removed a
				// line (yoffset) before printing it:
				float yoffadj = 0;
				if (itemInfo.Tables[0].IsTable)
				{
					VlnFlexGrid fg = new VlnFlexGrid(1, 1);
					fg.LoadGrid(itemInfo.Tables[0]);
					if (fg.BorderStyle == C1.Win.C1FlexGrid.Util.BaseControls.BorderStyleEnum.None) yoffadj = -SixLinesPerInch;
				}

				if(!aerTableOrFigure && itemInfo.RNOLevel == 0) // Centered Table
					yoff = ChildrenBelow.Add(cb, itemInfo.Tables, XOffset, yOffRight, yOffRight, rnoLevel, maxRNO, formatInfo);
				else // AER or RNO Table
					yoff = ChildrenBelow.Add(cb, itemInfo.Tables, XOffset, yoff, yOffRight, rnoLevel, maxRNO, formatInfo);
			}

			// Look for the meta section case where the 'Editable' flag is set to 'N', which means that
			// these steps should not be printed:
			bool printsteps = true;
			if (itemInfo.Steps != null && itemInfo.IsSection && itemInfo.Sections!=null && itemInfo.Sections.Count>0)
			{
				SectionConfig sc = itemInfo.MyConfig as SectionConfig;
				if (sc != null && sc.SubSection_Edit != "Y") printsteps = false;
			}

			if (itemInfo.Steps != null && printsteps) yoff = ChildrenBelow.Add(cb, itemInfo.Steps, XOffset, yoff, yOffRight, rnoLevel, maxRNO, formatInfo);
			if (itemInfo.Sections != null) yoff = ChildrenBelow.Add(cb, itemInfo.Sections, xoff, yoff, yoff, rnoLevel, maxRNO, formatInfo);
			if (itemInfo.Procedures != null) yoff = ChildrenBelow.Add(cb, itemInfo.Procedures, xoff, yoff, yoff, rnoLevel, maxRNO, formatInfo);
			if (rnoLevel >= maxRNO && itemInfo.RNOs != null) yoff = ChildrenBelow.Add(cb, itemInfo.RNOs, XOffset, yoff, yoff, rnoLevel + 1, maxRNO, formatInfo);
			yoff = Math.Max(yoff, yOffRight);
			// TODO - use RNOSepAfterAER flag too:
			string tmpRnoSepStr = formatInfo.MyStepSectionPrintData.RNOSepString;
			if (rnoLevel < maxRNO && itemInfo.RNOs != null && tmpRnoSepStr != null)
			{
				vlnParagraph rno = ChildrenRight[0];
				vlnParagraph bottomChild = BottomChild;
				float xsep = MyHighLevelParagraph.XOffset + RnoOffset;
				vlnRNOSeparator myRnoSep = new vlnRNOSeparator(this, cb, tmpRnoSepStr, xsep, yoff, formatInfo, bottomChild==null?true:bottomChild.MyItemInfo.HasChangeBar);
				// TODO: May need to handle more than one RNO column for RNO Separator
				if (rno.LastRNO.MyItemInfo.HasChangeBar == false && bottomChild != null && bottomChild.MyItemInfo.HasChangeBar)
					bottomChild.PartsBelow.Add(myRnoSep);
				else
					rno.LastRNO.PartsBelow.Add(myRnoSep);
				yoff += myRnoSep.Height + SixLinesPerInch;
			}
			YBottomMost = yoff;

			// For WCN Checklist, the substeps are in rows of data.  The YBottomMost is the bottom most for
			// the row.
			if (savCheckListBottomMost != 0 && savCheckListBottomMost>YBottomMost) YBottomMost = savCheckListBottomMost;
		}

		private int TheStepLevel(ItemInfo itemInfo)
		{
			if (itemInfo.IsHigh) return -1;
			int lev = 0;
			ItemInfo ii = itemInfo;
			while (!ii.MyParent.IsHigh)
			{
				lev++;
				ii = ii.MyParent;
			}
			return lev;
		}

		private string SectionHasCheckOffHeader(ItemInfo itemInfo, ref VE_Font font)
		{
			// If the passed in itemInfo is not a section, get it's parent section.  This may be a subsection, so
			// it will be found here, versus using 'MyActiveSection'.
			while (!itemInfo.IsSection)
			{
				itemInfo = itemInfo.MyParent;
			}
			// See if this section has a checkoffheading index - this value, if set is stored in the config field.
			// -1 flags no entries in the format's CheckOffHeaderList & 0 flags the first
			// entry which is always '{NO HEADING}'.  So only continue if it's greater than 0.
			SectionInfo si = SectionInfo.Get(itemInfo.ItemID);   // sometimes the itemInfo isn't a section info
			int sindx = si.CheckOffHeadingIndex();

			// If there is a checkoff header for this section, see if this section has subsections.
			// If this has a header but no subsections, put out the header.
			// Else if this section has a header AND subsections, don't put it out...
			//   the subsection's checkoff header will be processed (or lack there of).
			bool doCheckoffHeader = sindx > 0 && (itemInfo.Sections == null || itemInfo.Sections.Count == 0);

			// if doing it, then grab the string from the format....  CHECK if this works for subsection, it is
			// getting ActiveSection which may return the top section, not subsections.
			if (doCheckoffHeader && itemInfo.SectionCheckOffHeader != "")
			{
				font = itemInfo.ActiveFormat.PlantFormat.FormatData.ProcData.CheckOffData.CheckOffHeaderList[sindx].Font;
				return itemInfo.SectionCheckOffHeader;
			}
			return null;
		}

		private void DoCheckOffHeader(PdfContentByte cb, ItemInfo itemInfo, float yLocation, float yTopMargin, float yPageStart)
		{
			// CheckOffHeaders are handled in two different ways:
			//	1) Where the pagelist item puts them - this is at the 'top' of the page, when the current section on the
			//		page has a checkoff header defined. Support for this is here AND in the VlnSvgPageHelper pagelist code.
			//	2) If a continuous section, and it doesn't start at 'top' of the page, then the checkoff header is
			//		printed on the same line as the continuous section.  Support for this is here, the check off header is added
			//		to the 'PartRight' off of the section's VlnParagraph.
	
			// First see if there is any checkoff data in the format file and that there
			// is a pagelist item for the checkoff header.
			if (itemInfo.ActiveFormat.PlantFormat.FormatData.ProcData.CheckOffData.CheckOffList.Count <= 0) return;
			if (MyPageHelper.PageListCheckOffHeader == null) return;

			VE_Font font = null;
			ItemInfo mySectionInfo = itemInfo.MyActiveSection;
			ItemInfo mySubSectionInfo = itemInfo;

			// If the passed in itemInfo is not a section, get it's parent section.  This may be a subsection, so
			// it will be found here, versus using 'MyActiveSection' which is the topmost section.  The passed in
			// item may be a regular step, i.e. if a page break had occurred.
			if (!itemInfo.IsSection)
			{
				while (!mySubSectionInfo.IsSection)
				{
					mySubSectionInfo = mySubSectionInfo.MyParent;
				}
			}
			else
				mySubSectionInfo = (mySectionInfo.Sections == null)?null:mySectionInfo.Sections[0];

			if (mySectionInfo == mySubSectionInfo) mySubSectionInfo = null;

			// The following duplicates the 16bit logic.  The 16bit logic only put out a header if:
			//		there is no subsection and section has a header (from config);
			//		OR there is a subsection and the first subsection has a header.
			// For locating the header in 16bit logic:
			//		If no subsections, output with section 
			//		If subsections and continuous section, put out on same line as subsection.  (done here)
			//		If subsections and starts at top of page, (on top of page, use pagelist code in VlnSvgPageHelper)
			
			// Get SectionInfos to access specific section config items...
			SectionInfo si = SectionInfo.Get(mySectionInfo.ItemID);   
			int sindx = si.CheckOffHeadingIndex();
			SectionInfo subi = mySubSectionInfo == null ? null : SectionInfo.Get(mySubSectionInfo.ItemID);
			int subindx = subi==null?-1:subi.CheckOffHeadingIndex();

			// if there is no subsections & the main section doesn't use a header OR
			// if there is a subsection, & it does not use a header... Return.
			if ((subi==null&&sindx < 1) || (subi!=null&&subindx<1)) return;

			// figure out location now:
			//	if step, it uses pagelist logic to locate it (this is a page break condition).
			//	if continuous, put out with subsection if there is one, otherwise section.
			//	otherwise, use pagelist logic.
			bool usePageListCOHdr = false;
			
			if (itemInfo.IsStep)
				usePageListCOHdr = true;
			else if (subi == null)		//no subsection
			{
				if ((yPageStart - YOffset) == yTopMargin) usePageListCOHdr = true;
			}
			else
			{
				if (mySectionInfo == itemInfo && ((yPageStart - YOffset) == yTopMargin)) usePageListCOHdr = true;
				if (!usePageListCOHdr && mySubSectionInfo != itemInfo) return;
			}

			// grab the string from the format, depending on whether it should get it from the section or subsection.
			string cohead = (mySubSectionInfo!=null)?mySubSectionInfo.SectionCheckOffHeader:mySectionInfo.SectionCheckOffHeader;
			if (cohead == "" || cohead == null) return;

			// PageListCheckOffHeader is an svgtext - but really we only need the x/y location for this (pagelist support)
			// The actual text is from the checkoff header selection in the section config. 
			if (cohead != MyPageHelper.PageListLastCheckOffHeader)
			{
				font = mySectionInfo.ActiveFormat.PlantFormat.FormatData.ProcData.CheckOffData.CheckOffHeaderList[sindx].Font;
				float chkOffY = CalculateYLocation(YTopMost, yTopMargin);
				if (MyPageHelper.YMultiplier != 1)
				{
					chkOffY = -1 + yTopMargin - (yTopMargin - yLocation) * MyPageHelper.YMultiplier;
					if (Rtf != null)
						IParagraph.Leading = _SevenLinesPerInch;
				}
				if (!usePageListCOHdr)
				{
					vlnText myCOHead = new vlnText(cb, this, cohead, cohead, MyPageHelper.PageListCheckOffHeader.X.Value + (float)MyItemInfo.MyDocStyle.Layout.LeftMargin, chkOffY, font);
					PartsRight.Add(myCOHead);
				}
				else
					MyPageHelper.PageListTopCheckOffHeader = cohead;
				MyPageHelper.PageListLastCheckOffHeader = cohead;
			}
		}
		internal vlnParagraph BottomChild
		{
			get
			{
				float bottomChildYBottomText = YBottomText;
				vlnParagraph bottomChild = this;
				foreach (vlnParagraph child in ChildrenRight)
				{
					vlnParagraph grandChild = child.BottomChild;
					if (grandChild != null && grandChild.YBottomText > bottomChildYBottomText) bottomChild = grandChild;
					if (grandChild != null && grandChild.YBottomText == bottomChildYBottomText && grandChild.MyItemInfo.HasChangeBar) bottomChild = grandChild;
					bottomChildYBottomText = bottomChild.YBottomText;
				}
				foreach (vlnParagraph child in ChildrenBelow)
				{
					vlnParagraph grandChild = child.BottomChild;
					if (grandChild != null && grandChild.YBottomText > bottomChildYBottomText) bottomChild = grandChild;
					if (grandChild != null && grandChild.YBottomText == bottomChildYBottomText && grandChild.MyItemInfo.HasChangeBar) bottomChild = grandChild;
					bottomChildYBottomText = bottomChild.YBottomText;
				}
				return bottomChild;
			}
		}
		private void CalculateXOffset(ItemInfo itemInfo, int maxRNO, FormatInfo formatInfo)
		{
			bool aerTableOrFigure = itemInfo.FormatStepData.Type.Contains("AER");
			vlnParagraph hls1 = MyParent;
			while (hls1.MyParent != null && !hls1.MyItemInfo.IsHigh) hls1 = hls1.MyParent;
			float colR = float.Parse(formatInfo.MyStepSectionLayoutData.ColRTable.Split(",".ToCharArray())[itemInfo.ColumnMode]);
			float xLowerLimit = hls1.XOffset;
			float xUpperLimit = hls1.XOffset + hls1.Width + colR * itemInfo.ColumnMode;
			float TableCenterPos = float.Parse(formatInfo.MyStepSectionLayoutData.TableCenterPos.Split(",".ToCharArray())[itemInfo.ColumnMode]);
			if (formatInfo.PlantFormat.FormatData.SectData.StepSectionData.StepSectionLayoutData.TieTabToLevel)
			{
				float pageWidth = ((float)itemInfo.MyActiveSection.MyDocStyle.Layout.PageWidth); //* (float)MyItemInfo.FormatStepData.Font.CPI / 12;
				float leftMargin = ((float)itemInfo.MyActiveSection.MyDocStyle.Layout.LeftMargin); //* (float)MyItemInfo.FormatStepData.Font.CPI / 12;
				XOffset = leftMargin + (pageWidth - leftMargin - Width) / 2;
			}
			else
			{
				// Determine center of hls
				XOffset = hls1.XOffset + hls1.Width / 2;
				// Determine left edge of the table by subtracting 1/2 of its width.
				XOffset -= Width / 2;
				if (aerTableOrFigure || itemInfo.RNOLevel != 0)	// AER or RNO 
					XOffset = MyParent.XOffset + MyParent.Width / 2 - Width / 2;
				else if (TableCenterPos != 0)
					XOffset = TableCenterPos;
				else  // Centered Table or Figure
				{
					// Add in 1/2 of the width of all RNO columns
					XOffset += (colR * itemInfo.ColumnMode) / 2;
					if (!aerTableOrFigure)
					{
						// 05/14/12 - 16bit code adjusts the center depending upon the CPI of the table font.
						// Start with XOffset of table, then calculate the XOffset adjusted for the table font,
						// based on the default CPI of 12.  Adjust the XOffset by the difference of these
						// two numbers.
						XOffset -= (XOffset - (XOffset * (float)MyItemInfo.FormatStepData.Font.CPI / 12));
					}
					XOffset -= 12;			// This makes the 16bit & 32bit align very closely.
				}
				// 05/14/12 - The PosAdjust is a format flag from 16bit. For WCN2, it appears that this amount equals
				// the amount of difference from a 10 CPI to a 12 CPI font.  See comment above.
				if (itemInfo.FormatStepData != null && itemInfo.FormatStepData.StepPrintData != null)
					XOffset += (float)(itemInfo.FormatStepData.StepPrintData.PosAdjust ?? 0);
			}


			// if the XOffset < High Level Step Text's XOffset, then align with the High Level Step Text
			if (XOffset < xLowerLimit && Width < (xUpperLimit - xLowerLimit))
				XOffset = xLowerLimit;

			// if the right margin exceeds the right edge of the rightmost RNO, then adjust right edge to match.
			if (XOffset + Width > xUpperLimit)
				XOffset = xUpperLimit - Width;

			// because of the above, if it pushes beyond the left margin, use the left margin.
			if (XOffset < (float)itemInfo.MyDocStyle.Layout.LeftMargin)
				XOffset = XOffsetBox = (float)itemInfo.MyDocStyle.Layout.LeftMargin;
		}
		private float AdjustForBlankLines()
		{
			if (MyItemInfo.MyDocStyle.SpecialStepsFoldout) return 0;
			int everyNLines = MyItemInfo.FormatStepData == null ? 1 : MyItemInfo.FormatStepData.StepLayoutData.EveryNLines ?? 1;
			if (MyItemInfo.Ordinal % everyNLines == 0 || MyItemInfo.NextItem == null) return SixLinesPerInch;
			return 0;
		}
		private void AddMacros(ItemInfo itemInfo, vlnTab mytab)
		{
			float y = YOffset;
			float x = mytab == null ? XOffset : mytab.XOffset + mytab.TabOffset;
			List<Macro> myMacros = itemInfo.MyMacros;
			if (myMacros != null)
			{
				foreach (Macro myMacro in myMacros)
				{
					PartsLeft.Add(new vlnMacro(x, y, myMacro.MacroDef));
				}
			}
		}
		// HLP Change bar flags in format file:
		// Locations:  With Text, Outside Box, AER on Left RNO on Right, To The Left of Text
		// Text:  Date & Change ID, Revision Number, Change ID, None, Custom (use input data)
		// Flag AERChgBarMsgRNOChgBarNoMsg and AERMsgRNONoMsg are NOT Used in 16-bit.
		private string cbMess = null;
		private vlnChangeBar DoChangeBar(PdfContentByte cb, ItemInfo itemInfo, VlnSvgPageHelper myPageHelper, float xoff, float yoff, int maxRNO, FormatInfo formatInfo) //, vlnChangeBar myCB)
		{
			// find column for the change bar based on format flags - this is code from 16-bit
			//		if AbsoluteFixedChangeColumn
			//			if FixedAERChangeColumn
			//				if col>ColsS+ColR+COL_WID+ADJ
			//					FixedChangeColumn
			//				else
			//					AERLeftChangeBarLocation()
			//			else
			//				FixedChangeColumn
			//		else
			//			ChangeBarLocation()
			ChangeBarData cbd = formatInfo.PlantFormat.FormatData.ProcData.ChangeBarData;
			float cols = formatInfo.MyStepSectionLayoutData.ColS ?? 0;
			float colr = ToInt(formatInfo.MyStepSectionLayoutData.ColRTable, maxRNO);
// FixedChangeColumn + - Column location for change bars 
			// 0 - Separate AER and RNO change bars to the right of the text 
			// -10 to -1 - Change bars on left (specify # of columns from the text) 
			// <-10 - AER change bars on the left and RNO change bars on the right.
// FixedAERChangeColumn	overrides the -5 default setting in chgbar.c, value is converted to a negative by the code

			float col = (cbd.AbsoluteFixedChangeColumn) ?
							((cbd.FixedAERChangeColumn ?? 0) > 0) ?
							(xoff > (cols + colr + COL_WID_ADJ)) ?
								cbd.FixedChangeColumn ?? 0 : AERLeftChangeBarLocation(formatInfo) :
							cbd.FixedChangeColumn ?? 0 : ChangeBarLocation(xoff, this, formatInfo, maxRNO);

			if (myPageHelper.ChangeBarDefinition.MyChangeBarText == PrintChangeBarText.ChgID)
				cbMess = itemInfo.MyContent.UserID;
			else if (myPageHelper.ChangeBarDefinition.MyChangeBarText == PrintChangeBarText.DateChgID)
			{
				string fmtDate = itemInfo.MyContent.DTS.ToShortDateString();
				if (fmtDate.Length != 10)  // need to add zeros 
				{
					if (fmtDate.IndexOf("/") == 1)
						fmtDate = "0" + fmtDate;
					if (fmtDate.IndexOf("/", 3) == 1)
						fmtDate = fmtDate.Substring(0, 3) + "0" + fmtDate.Substring(3, fmtDate.Length - 3);
				}
				cbMess = itemInfo.MyContent.UserID + @"\n" + fmtDate;
			}
			else if (myPageHelper.ChangeBarDefinition.MyChangeBarText == PrintChangeBarText.RevNum)
				cbMess = myPageHelper.Rev;
			else if (myPageHelper.ChangeBarDefinition.MyChangeBarText == PrintChangeBarText.UserDef)
				cbMess = myPageHelper.ChangeBarDefinition.MyChangeBarMessage;

			int msgAlign = Element.ALIGN_LEFT;
			if (myPageHelper.ChangeBarDefinition.MyChangeBarLoc == PrintChangeBarLoc.LeftOfText ||
				(myPageHelper.ChangeBarDefinition.MyChangeBarLoc == PrintChangeBarLoc.AERleftRNOright &&
				!itemInfo.IsInRNO)) msgAlign = Element.ALIGN_RIGHT;
			return new vlnChangeBar(cb, this, (float)itemInfo.MyDocStyle.Layout.LeftMargin + (col * itemInfo.FormatStepData.Font.CharsToTwips), yoff, msgAlign);
		}

		private int ChangeBarLocation(float c, vlnParagraph paragraph, FormatInfo formatInfo, int maxRNO)
		{
			int fixedChgCol = formatInfo.PlantFormat.FormatData.ProcData.ChangeBarData.FixedChangeColumn ?? 0;
			float cols = formatInfo.MyStepSectionLayoutData.ColS ?? 0;
			int colr = ToInt(formatInfo.MyStepSectionLayoutData.ColRTable, maxRNO);
			float tmpc = c;
			if (MyItemInfo.IsCaution || MyItemInfo.IsNote)
			{
			// Temporary fix for change bars on Notes and Cautions where the FixedChgCol < -10
				tmpc = (float)formatInfo.MyStepSectionLayoutData.ColT + (float)formatInfo.MyStepSectionLayoutData.WidT; // end position of Caution / Note
				int typ = (int)(MyItemInfo.MyContent.Type % 10000);
				int? bxIndx = formatInfo.PlantFormat.FormatData.StepDataList[typ].StepLayoutData.STBoxindex;
				if (bxIndx != null)
				{
					Box bx = formatInfo.PlantFormat.FormatData.BoxList[(int)bxIndx];
					if (bx != null)
						tmpc = (float)bx.Start + (float)bx.End; // end position of a boxed Caution / Note
				}
			}
			// if this is a caution or note, put the change bar to the right of the text:
			//if ((paragraph.MyItemInfo.IsCaution || paragraph.MyItemInfo.IsNote) && fixedChgCol < -10) return -fixedChgCol;
			if ((fixedChgCol == 0))// && paragraph.MyItemInfo.IsCaution || paragraph.MyItemInfo.IsNote)
			//if ((fixedChgCol==0) || paragraph.MyItemInfo.IsCaution || paragraph.MyItemInfo.IsNote)
			{
				float rightEdge = (paragraph.XOffset + paragraph.Width + 5);
					rightEdge-=(float)paragraph.MyItemInfo.MyDocStyle.Layout.LeftMargin;
				rightEdge = rightEdge/paragraph.MyItemInfo.FormatStepData.Font.CharsToTwips;
				return (int)rightEdge;
			}
			if (fixedChgCol < -10 || fixedChgCol >= 0)
				return ((fixedChgCol > 0) ? fixedChgCol :
					(fixedChgCol == 0) ? (int)c + 1 :
					(tmpc > (cols + colr + COL_WID_ADJ)) ? -fixedChgCol :
					//(c > (cols + colr + COL_WID_ADJ) || (MyItemInfo.IsCaution || MyItemInfo.IsNote)) ? -fixedChgCol :
					AERLeftChangeBarLocation(formatInfo));
			else
				return (int)(fixedChgCol + (((c < cols + Width + colr) || TableTest()
					|| MyItemInfo.IsCaution || MyItemInfo.IsNote) ? 0 : cols + colr)); // || (GetColumnMode() == 0)) ? 0 : cols + colr));
			/* Change bars to left of text -- ColS+WidS+ColR is the end of RNO col*/
		}
		/*
		** Centered tables whose width exceeds the end of the RNO column should
		**  still have their change bars printed on the left.  This procedure checks 
		**  to make sure the step is a table and that it is not an RNO.
		*/
		private bool TableTest()
		{
			return false;
			//return ((s->Type == TABLE || s->Type == BORDERLESSTABLE) &&
			//!(strchr((char *)&s->dbseq[2],RNO_MARKER)));
		}
		private float GetBottomYoff(float bottomY)
		{
			foreach (vlnParagraph child in ChildrenBelow)
			{
				if (child.YOffset > bottomY) bottomY = child.YOffset;
				bottomY = child.GetBottomYoff(bottomY);
			}
			return bottomY;
		}
		private int AERLeftChangeBarLocation(FormatInfo formatInfo)
		{
			// use -5 default unless it is format specified
			int fixedAERChgCol = formatInfo.PlantFormat.FormatData.ProcData.ChangeBarData.FixedAERChangeColumn ?? 0;
			return (fixedAERChgCol != 0) ?
				(fixedAERChgCol > 100) ?
				(fixedAERChgCol % 100) : -fixedAERChgCol : -5;
		}
		private StringBuilder _RtfSB = null;

		// return rtf and use for tab and other text 
		public string GetRtf(ItemInfo itemInfo)
		{
			_RtfSB = new StringBuilder();
			DisplayText vlntxt = new DisplayText(itemInfo, E_EditPrintMode.Print, E_ViewMode.View, true, E_FieldToEdit.StepText, false);
			System.Drawing.Font myFont = vlntxt.TextFont.WindowsFont;
			if (!itemInfo.IsTable && StepRTB.MyFontFamily != null)
				myFont = new System.Drawing.Font(StepRTB.MyFontFamily, myFont.Size, myFont.Style);
			if (itemInfo.IsHigh && itemInfo.MyDocStyle.UndSpecialStepsFoldout) myFont = new System.Drawing.Font(myFont.FontFamily, myFont.Size, myFont.Style | FontStyle.Underline);
			_RtfSB.Append(AddFontTable(myFont));
			_RtfSB.Append(vlntxt.StartText);
			_RtfSB.Append("}");
			return _RtfSB.ToString();
		}
		private float _XOffsetBox = 0;
		public float XOffsetBox
		{
			get { return _XOffsetBox; }
			set { _XOffsetBox = value; }
		}
		private float SetHeader(vlnParagraph para, PdfContentByte cb, ItemInfo itemInfo, FormatInfo formatInfo)
		{
			float xoff = (float)itemInfo.MyDocStyle.Layout.LeftMargin;
			// The '6' below is really converting from characters to Twips.  But instead of considering the CPI, 16bit assumed
			// it was 12 to center the header.  That's where the 6 comes from.
			float hdrWidth = (itemInfo.MyHeader.CleanText == null) ? 0 : itemInfo.MyHeader.CleanText.Length * 6;
			int typ = ((int)itemInfo.MyContent.Type) % 10000;
			int? bxIndx = formatInfo.PlantFormat.FormatData.StepDataList[typ].StepLayoutData.STBoxindex;
			
			if (itemInfo.MyHeader.Justify == System.Drawing.ContentAlignment.MiddleCenter)
			{
				if (bxIndx != null)
				{
					Box bx = formatInfo.PlantFormat.FormatData.BoxList[(int)bxIndx];
					if (bx.TabPos > 0)
						xoff += (float)bx.TabPos;							// xoff starts as left margin
					else
						xoff += (float)((bx.TxtStart + XOffsetBox + (bx.TxtWidth / 2)) - (hdrWidth / 2));	// xoff starts as left margin
				}
				else if (formatInfo.MyStepSectionLayoutData.Separator.Location > 0)
					xoff = XOffset + AdjustToCharPosition((float)((para.Width - hdrWidth) / formatInfo.MyStepSectionLayoutData.Separator.Location), itemInfo.MyHeader.MyFont.CPI);
				else
					xoff = XOffset + (para.Width / 2) + (hdrWidth / 2);		// XOffset has left margin included
			}
			else
				xoff = XOffset;												// XOffset has left margin included
			vlnHeader myHeader = new vlnHeader(this, cb, itemInfo.MyHeader.Text, itemInfo.MyHeader.CleanText.TrimStart(" ".ToCharArray()), xoff, YOffset, itemInfo.MyHeader.MyFont);
			PartsAbove.Add(myHeader);
			return myHeader.Height + (!MyItemInfo.MyDocStyle.SpecialStepsFoldout ? SixLinesPerInch : 0);
		}
		private float AdjustToCharPosition(float position, float? CPI)
		{
			int iPosition = (int)position;
			int charsToTwips = (int)(72 / (CPI ?? 12));
			iPosition = (iPosition / charsToTwips) * charsToTwips;
			position = (position / 7.2F) * 7.2F;
			return (float)iPosition;
		}
		private bool _SectionPageBreak = false;
		public bool SectionPageBreak
		{
			get { return _SectionPageBreak; }
			set { _SectionPageBreak = value; }
		}
		private bool _Processed = false;
		public bool Processed
		{
			get { return _Processed; }
			set { _Processed = value; }
		}
		private vlnParagraph _LastRNO;
		public vlnParagraph LastRNO
		{
			get { return _LastRNO; }
			set { _LastRNO = value; }
		}
		private vlnParagraph _MyTopRNO;
		public vlnParagraph MyTopRNO
		{
			get { return _MyTopRNO; }
			set { _MyTopRNO = value; }
		}
		private static string _Prefix = "";
		public static string Prefix
		{
			get { return vlnParagraph._Prefix; }
			set { vlnParagraph._Prefix = value; }
		}
		protected float _YBottomMost;	// Bottom of the paragraph including the children
		public float YBottomMost
		{
			get { return _YBottomMost; }
			set { _YBottomMost = value; }
		}
		protected float _YTopMost;	// Top of the paragraph including the children
		public float YTopMost
		{
			get { return _YTopMost; }
			set { _YTopMost = value; }
		}
		protected float _YTop;		// Top of the paragraph including parts
		public float YTop
		{
			get { return _YTop; }
			set
			{
				vlnParagraph vp = this as vlnParagraph;
				_YTop = value;

			}
		}
		public float YSize		// How big this paragraph is with all of its children
		{
			get { return _YBottomMost - _YTopMost; }
		}
		private ItemInfo _MyItemInfo;
		public ItemInfo MyItemInfo
		{
			get { return _MyItemInfo; }
			set { _MyItemInfo = value; }
		}
		private vlnParagraph _MyHighLevelParagraph;

		public vlnParagraph MyHighLevelParagraph
		{
			get
			{
				if (_MyHighLevelParagraph == null)
				{
					_MyHighLevelParagraph = GetHighLevelParagraph();
				}
				return _MyHighLevelParagraph;
			}
		}
		private vlnParagraph GetHighLevelParagraph()
		{
			if (MyItemInfo.IsHigh) return this;
			return MyParent.GetHighLevelParagraph();
		}
		// Tab, Separator, ChangeBar, Box, Circle, Checkoff
		private vlnPrintObjects _PartsAbove;
		public vlnPrintObjects PartsAbove
		{
			get
			{
				if (_PartsAbove == null) _PartsAbove = new vlnPrintObjects();
				return _PartsAbove;
			}
		}
		private vlnPrintObjects _PartsBelow;
		public vlnPrintObjects PartsBelow
		{
			get
			{
				if (_PartsBelow == null) _PartsBelow = new vlnPrintObjects();
				return _PartsBelow;
			}
		}
		private vlnPrintObjects _PartsRight;
		public vlnPrintObjects PartsRight
		{
			get
			{
				if (_PartsRight == null) _PartsRight = new vlnPrintObjects();
				return _PartsRight;
			}
		}
		private vlnPrintObjects _PartsLeft;
		public vlnPrintObjects PartsLeft
		{
			get
			{
				if (_PartsLeft == null) _PartsLeft = new vlnPrintObjects();
				return _PartsLeft;
			}
		}
		private vlnPrintObjects _PartsContainer;
		public vlnPrintObjects PartsContainer
		{
			get
			{
				if (_PartsContainer == null) _PartsContainer = new vlnPrintObjects();
				return _PartsContainer;
			}
		}
		private vlnParagraphs _ChildrenAbove;
		public vlnParagraphs ChildrenAbove
		{
			get
			{
				if (_ChildrenAbove == null) _ChildrenAbove = new vlnParagraphs(this);
				return _ChildrenAbove;
			}
		}
		private vlnParagraphs _ChildrenBelow;
		public vlnParagraphs ChildrenBelow
		{
			get
			{
				if (_ChildrenBelow == null) _ChildrenBelow = new vlnParagraphs(this);
				return _ChildrenBelow;
			}
		}
		private vlnParagraphs _ChildrenRight;
		public vlnParagraphs ChildrenRight
		{
			get
			{
				if (_ChildrenRight == null) _ChildrenRight = new vlnParagraphs(this);
				return _ChildrenRight;
			}
		}
		private vlnParagraphs _ChildrenLeft;
		public vlnParagraphs ChildrenLeft
		{
			get
			{
				if (_ChildrenLeft == null) _ChildrenLeft = new vlnParagraphs(this);
				return _ChildrenLeft;
			}
		}
		public void AdjustXOffsetForTab(ItemInfo itemInfo, int maxRNO, FormatInfo formatInfo, vlnTab myTab)
		{
			float tabWidth = (myTab == null) ? 0 : myTab.Width;
			if (itemInfo.IsStepSection)
			{
				if (formatInfo.PlantFormat.FormatData.SectData.SectionHeader.Just == "PSLeft")
				{
					int level = 0;
					ItemInfo iilvl = itemInfo;
					while (!iilvl.IsProcedure)
					{
						level++;
						iilvl = iilvl.MyParent;
					}
					level = level <= 2 ? 1 : level - 1;
					if (level==1)
						XOffset = (float)itemInfo.MyDocStyle.Layout.LeftMargin + (level * (float)formatInfo.PlantFormat.FormatData.SectData.SectionHeader.Pos);
					else
						XOffset = (float)formatInfo.PlantFormat.FormatData.SectData.MetaSectionList[level].ColSByLevel;
				}
				return;
			}
			int typ = ((int)itemInfo.MyContent.Type) % 10000;
			int? bxIndx = formatInfo.PlantFormat.FormatData.StepDataList[typ].StepLayoutData.STBoxindex;
			float? colOvrd = formatInfo.PlantFormat.FormatData.StepDataList[typ].ColOverride;
			if (bxIndx != null)
			{
				Box bx = formatInfo.PlantFormat.FormatData.BoxList[(int)bxIndx];
				if (bx == null)
				{
					if ((colOvrd??0)!=0)
					{
						// 16-bit code subtracted the left margin
						//xoff = ((float)colOvrd - (float)itemInfo.MyDocStyle.Layout.LeftMargin) - XOffset;
						//XOffset += xoff;
						//if (myTab != null) myTab.XOffset += xoff;
						//xoff = MyParent.XOffset - myTab.XOffset;
						//XOffset += xoff;
						float tabOffset = (myTab == null?0: myTab.XOffset) - XOffset;

						XOffset = (float)colOvrd;
						if (myTab != null) myTab.XOffset = XOffset + tabOffset;
						return;
					}
					else
						XOffset = (float)itemInfo.MyDocStyle.Layout.LeftMargin + tabWidth + XOffsetBox;
				}
				else
					XOffset = (float)itemInfo.MyDocStyle.Layout.LeftMargin + (float)bx.TxtStart + tabWidth + XOffsetBox;
				if (myTab != null) myTab.XOffset = XOffset - tabWidth;
			}
			else if (itemInfo.IsHigh)
			{
				float x = 0;
				float xoff = 0;
				if ((colOvrd??0)!=0)
					x = (float)itemInfo.MyDocStyle.Layout.LeftMargin + (float)colOvrd;
				else
					x = (float)itemInfo.MyDocStyle.Layout.LeftMargin + (float)formatInfo.PlantFormat.FormatData.SectData.StepSectionData.StepSectionLayoutData.ColS;
				
				xoff = x - XOffset;
				// ColSByLevel will specify the column in which the High Level Step starts with
				// respect to the overall level calculation based on sections & meta-sections.
				// Only a few of the single column formats use this: WCN1, CAL1, RGEBCK 
				if (formatInfo.PlantFormat.FormatData.SectData.StepSectionData.StepSectionLayoutData.TieTabToLevel
				&& !(itemInfo.MyDocStyle.SpecialStepsFoldout && itemInfo.MyDocStyle.UseColSByLevel))
				{
					int indxLevel = itemInfo.PrintLevel + itemInfo.CurrentSectionLevel();
					float colsbylevel = (float)formatInfo.PlantFormat.FormatData.SectData.MetaSectionList[indxLevel % formatInfo.PlantFormat.FormatData.SectData.MetaSectionList.Count].ColSByLevel;
					float seclvlindent = colsbylevel - (float)formatInfo.PlantFormat.FormatData.SectData.StepSectionData.StepSectionLayoutData.ColS;
					x = (float)itemInfo.MyDocStyle.Layout.LeftMargin + (float)formatInfo.PlantFormat.FormatData.SectData.StepSectionData.StepSectionLayoutData.ColS + seclvlindent;
					xoff = x - XOffset;
					if (myTab != null) myTab.XOffset = (float)itemInfo.MyDocStyle.Layout.LeftMargin + colsbylevel;
					LeftJustifyList jstlst = formatInfo.PlantFormat.FormatData.SectData.StepSectionData.StepSectionPrintData.LeftJustifyList;
					if (jstlst.Count > 0)
					{
						float leftJustifyTabSize = jstlst[indxLevel % jstlst.Count].Size ?? 0;
						XOffset = myTab.XOffset + leftJustifyTabSize;
					}
					else
						XOffset = myTab.XOffset + (myTab.Text.Length * (float)itemInfo.FormatStepData.Font.CPI) - colsbylevel;
				}
				else
				{
					XOffset += xoff;
					if (myTab != null)
					{
						myTab.XOffset += xoff;
						if (myTab.MyMacro != null) myTab.MyMacro.XOffset += xoff;
					}
				}
			}
			else if (itemInfo.IsRNOPart && !((ItemInfo)itemInfo.ActiveParent).IsHigh)
			{
				// don't adjust for rno
			}
			else if (MyParent != null)
			{
				if (myTab != null && itemInfo.IsSequential && formatInfo.PlantFormat.FormatData.SectData.UseMetaSections && formatInfo.PlantFormat.FormatData.SectData.StepSectionData.StepSectionPrintData.LeftJustifyList.Count > 0)
				{
					int indxLevels = itemInfo.PrintLevel + itemInfo.CurrentSectionLevel(); // kbr -1;
					LeftJustifyList jstlst = formatInfo.PlantFormat.FormatData.SectData.StepSectionData.StepSectionPrintData.LeftJustifyList;
					float tableftadj = 0;
					foreach (LeftJustify lj in jstlst)
					{
						if (lj.Index == indxLevels)
						{
							tableftadj = lj.Size ?? 0;
							break;
						}
					}
					// the order of this is important.  First adjust the tab's xoffset for the width of
					// the tab. The offset of text needs to be adjusted by the 'leftjustify' format variable 
					// if it existed for this level.
					myTab.XOffset += tabWidth;
					if (tableftadj != 0 && myTab.Width<tableftadj) 
						tabWidth = myTab.Width = tableftadj;
					XOffset += tabWidth;
					myTab.Rtf = myTab.Rtf.Replace(myTab.Text, myTab.Text.TrimStart(" ".ToCharArray()));
					Width = MyParent.Width - myTab.Width;
				}
				else	// if no left justify, right align the tab
				{
					XOffset += tabWidth - (myTab == null ? 0 : myTab.TabAlign);
					if (myTab != null) myTab.XOffset += tabWidth - myTab.TabAlign;
				}
			}
		}
		public void AdjustWidth(ItemInfo itemInfo, int maxRNO, FormatInfo formatInfo, vlnTab myTab)
		{
			int typ = ((int)itemInfo.MyContent.Type) % 10000;
			int? bxIndx = itemInfo.IsStep ? formatInfo.PlantFormat.FormatData.StepDataList[typ].StepLayoutData.STBoxindex : null;
			float? widOvrd = 0;
			float xwid = 0;
			if (itemInfo.IsStep && itemInfo.MyHLS.FormatStepData.UseSmartTemplate && (xwid = GetWidthFromTemplate(itemInfo, formatInfo))>0)
				widOvrd = xwid;
			else
				widOvrd = itemInfo.FormatStepData == null ? null : itemInfo.FormatStepData.WidthOverride;
			if ((widOvrd??0) != 0)
			{
				Width = (float)widOvrd;
				// if there's a box, we may need to do an adjustment on the width, if the tab data was changed
				// so don't return.
				if (bxIndx == null) return;
			}
			float tabWidth = (myTab == null) ? 0 : myTab.Width;
			if (bxIndx != null)
			{
				Box bx = formatInfo.PlantFormat.FormatData.BoxList[(int)bxIndx];
				if (bx == null)
				{
					// NOT SURE IF WE NEED TO TEST FOR THE NULLBOX FORMAT FLAG, MAYBE "bx == null" IS THE SAME THING
					//if (formatInfo.MyStepSectionLayoutData.NullBox)
						Width = (float)formatInfo.MyStepSectionLayoutData.WidT - tabWidth;
				}
				else
					Width = _WidthAdjustBox + (float)bx.TxtWidth - tabWidth; // add 1 to get it to wrap like 16Bit
			}
			else if (itemInfo.IsHigh)
			{
				float CheckOffAdj = 0;
				if (itemInfo.MyDocStyle.UseCheckOffs)
				{
					if (formatInfo.PlantFormat.FormatData.ProcData.CheckOffData.CheckOffAdjustment != null)
						CheckOffAdj = -(float)formatInfo.PlantFormat.FormatData.ProcData.CheckOffData.CheckOffAdjustment;
					if (!HasCheckOffHeading(itemInfo, formatInfo) && CheckOffAdj < 0)
						CheckOffAdj += (float)(9 * 7.2);   // 9 is the size of the SIGNOFF adjustment
				}
				float adjwidth = CheckOffAdj;
				SectData sd = formatInfo.PlantFormat.FormatData.SectData;
				if (sd.UseMetaSections)
				{
					if (sd.StepSectionData.StepSectionLayoutData.TieTabToLevel)
					{
						if (itemInfo.ActiveFormat.PlantFormat.FormatData.SectData.StepSectionData.StepSectionLayoutData.ShowSectionTitles
						&& !itemInfo.MyDocStyle.CancelSectTitle
						&& !(itemInfo.MyDocStyle.SpecialStepsFoldout && itemInfo.MyDocStyle.UseColSByLevel))
						{
							int indxLevel = itemInfo.PrintLevel + itemInfo.CurrentSectionLevel();
							adjwidth += formatInfo.PlantFormat.FormatData.SectData.MetaSectionList[indxLevel % formatInfo.PlantFormat.FormatData.SectData.MetaSectionList.Count].WidSAdjByLevel ?? 0; ;
							float colsbylevel = (float)formatInfo.PlantFormat.FormatData.SectData.MetaSectionList[indxLevel % formatInfo.PlantFormat.FormatData.SectData.MetaSectionList.Count].ColSByLevel;
							float seclvlindent = colsbylevel - (float)formatInfo.PlantFormat.FormatData.SectData.StepSectionData.StepSectionLayoutData.ColS;
							adjwidth -= seclvlindent;
							adjwidth -= AdjustForSectionLevelTab();
						}
					}
					else
					{
						if (formatInfo.PlantFormat.FormatData.SectData.MetaSectionList.Count > 0)
							adjwidth += (float)formatInfo.PlantFormat.FormatData.SectData.MetaSectionList[itemInfo.PrintLevel % formatInfo.PlantFormat.FormatData.SectData.MetaSectionList.Count].ColSByLevel;
					}
				}

				Width = ToInt(formatInfo.MyStepSectionLayoutData.WidSTablePrint, maxRNO);
				Width += _WidthAdjust;
				Width += adjwidth;
			}
			else if (itemInfo.IsCaution || itemInfo.IsNote)
			{
				float mycolT = (float)formatInfo.MyStepSectionLayoutData.ColT;
				Width = (float)formatInfo.MyStepSectionLayoutData.WidT - 6 - mycolT;
				XOffset += mycolT; // adjust caution/note text position
				if (PartsLeft != null)// adjust tab position
					foreach(vlnPrintObject vpo in PartsLeft)
						vpo.XOffset += mycolT; 
			}
			else if (itemInfo.IsSection)
			{
				Width = _WidthAdjust + ToInt(formatInfo.MyStepSectionLayoutData.WidSTablePrint, maxRNO);
			}
			else if (MyParent == null)
			{
				// 72 points / inch - 7 inches (about width of page)
				Width = 72 * 7;
			}
			else if (itemInfo.IsRNOPart && !((ItemInfo)itemInfo.ActiveParent).IsHigh)
			{
				Width = MyParent.Width;
			}
			else if (itemInfo.IsTablePart)
			{
				Width = 72 * 7; // TODO: Need to determine the Width of the Table based upon the contents
			}
			else if (itemInfo.MyParent.IsCaution || itemInfo.MyParent.IsNote)
			{
				Width = MyParent.Width - tabWidth + (myTab == null ? 0 : myTab.TabAlign);
				Width -= 72 * (itemInfo.FormatStepData.CautionOrNoteSubstepIndent == null ? 0 : (float)itemInfo.FormatStepData.CautionOrNoteSubstepIndent / (float)itemInfo.FormatStepData.Font.CPI);
			}
			else
			{
				float adjwidth = 0;
				Width = adjwidth + MyParent.Width - tabWidth + (myTab == null ? 0 : myTab.TabAlign);
			}
		}
		private float GetWidthFromTemplate(ItemInfo itemInfo, FormatInfo formatInfo)
		{
			float rtnwid = 0;
			int tpIndx = GetSmartTemplateIndex(itemInfo, itemInfo.MyContent.Type, formatInfo);
			if (tpIndx != -1)
			{
				int ncol = formatInfo.PlantFormat.FormatData.Templates[tpIndx].width;
				// now convert to the units for this format.  The template width data is in number of columns.
				rtnwid = ncol * itemInfo.FormatStepData.Font.CharsToTwips;
			}
			return rtnwid;
		}
		private int GetSmartTemplateIndex(ItemInfo itemInfo, int? type, FormatInfo formatInfo)
		{
			int indx = 0;
			// find the starting template in the list for the high level step type:
			int highType = (int)itemInfo.MyHLS.MyContent.Type-20001;
			while (indx < formatInfo.PlantFormat.FormatData.Templates.Count)
			{
				// level of 0 starts a new group. 
				if (formatInfo.PlantFormat.FormatData.Templates[indx].level == 0)
				{
					indx++;
					// now see if we're on the high level step type, if so, look under this one
					// for the step type that we're on.  If found return the index of it.
					if (formatInfo.PlantFormat.FormatData.Templates[indx].type == highType)
					{
						indx++;
						while (indx < formatInfo.PlantFormat.FormatData.Templates.Count && formatInfo.PlantFormat.FormatData.Templates[indx].level != 0)
						{
							if (formatInfo.PlantFormat.FormatData.Templates[indx].type == type - 20001)
								return indx;
							indx++;
						}
					}
				}
				else
					indx++;
			}
			return -1;		// didn't find this step type in the template width override list.
		}

		private float AdjustForSectionLevelTab()
		{
			string sectTab = MyItemInfo.ActiveSection.MyTab.CleanText.TrimEnd();
			if (sectTab.EndsWith(".0")) return 0;
			string myTab = MyItemInfo.MyTab.CleanText;
			// -1 below code, +1 for '.' and -2 for standard wid of tab
			// standard wid of this tab is 2 (ex: '1.')
			// so adjust width if longer than normal
			return (float)(sectTab.Length - 1) * 72/(float)MyItemInfo.FormatStepData.Font.CPI;
		}
		private bool HasCheckOffHeading(ItemInfo itemInfo, FormatInfo formatInfo)
		{
			if (formatInfo.PlantFormat.FormatData.ProcData.CheckOffData.CheckOffHeaderList.Count != 0)
			{
				// does this section have a check off heading?
				SectionConfig sc = itemInfo.MyActiveSection.MyConfig as SectionConfig;
				if (sc != null && sc.Section_CheckoffHeaderSelection > 0) return true;
			}
			return false;
		}
		private bool UseCheckOffsDocStyle(int oldToNew, FormatInfo formatInfo)
		{
			int bit, retval=0;
			int mask=1;

			for(bit=0; bit < 32; bit++){
				if ((oldToNew & mask) != 0 && ((int)formatInfo.PlantFormat.FormatData.ProcData.CheckOffData.UseCheckOffsIn & mask) !=0) retval = 1;
				mask <<= 1;
			}
			return retval > 0;
		}
	}

	/// <summary>
	/// First order by stepLevel, then within a stepLevel, order by descending yLocation on page.
	/// Want to find maximum y value that fits on page, i.e. put the most on page that can 
	/// fit which is defined by the largest yLocation
	/// </summary>
	public class StepLevelList : SortedDictionary<int, SortedDictionary<float, vlnParagraph>>
	{
		public StepLevelList() : base()
		{
		}
		public void Add(int stepLevel, float yLocation, vlnParagraph para)
		{
			if (stepLevel == 0) return;
			if (!this.ContainsKey(stepLevel))
				this.Add(stepLevel, new SortedDictionary<float, vlnParagraph>());
			// using a negative for yLocation so that its in descending order:
			if (!this[stepLevel].ContainsKey(-yLocation))
				this[stepLevel].Add(-yLocation, para);
		}
	}
	public class ParagraphLocations : List<ParagraphLocation>
	{
		public ParagraphLocations()
			: base()
		{
		}
		public void Add(vlnParagraph myParagraph, float yTopMost)
		{
			ParagraphLocation foundOverlap = FindOverlap(myParagraph);
			if (foundOverlap == null)
			{
				this.Add(new ParagraphLocation(yTopMost,myParagraph));
				return;
			}
			ParagraphLocation doubleOverlap = FindOverlap(foundOverlap);
			while (doubleOverlap != null)
			{
				doubleOverlap.Merge(foundOverlap);
				this.Remove(foundOverlap);
				foundOverlap = doubleOverlap;
				doubleOverlap = FindOverlap(foundOverlap);
			}
		}

		private ParagraphLocation FindOverlap(vlnParagraph myParagraph)
		{
			foreach (ParagraphLocation paraLoc in this)
				if (paraLoc.Overlap(myParagraph))
					return paraLoc;
			return null;
		}
		private ParagraphLocation FindOverlap(ParagraphLocation myParaLoc)
		{
			foreach (ParagraphLocation paraLoc in this)
				if (paraLoc != myParaLoc && paraLoc.Overlap(myParaLoc))
					return paraLoc;
			return null;
		}
		internal StepLevelList BuildStepLevelList()
		{
			StepLevelList myList = new StepLevelList();
			foreach (ParagraphLocation paraLoc in this)
				myList.Add(paraLoc.StepLevel, paraLoc.YTop, paraLoc.MyParagraph);
			return myList;
		}
	}
	public class ParagraphLocation
	{
		private float _YTop;
		public float YTop
		{
			get { return _YTop; }
			set { _YTop = value; }
		}
		private float _YBottom;
		public float YBottom
		{
			get { return _YBottom; }
			set { _YBottom = value; }
		}
		private int _StepLevel;
		public int StepLevel
		{
			get { return _StepLevel; }
			set { _StepLevel = value; }
		}
		private vlnParagraph _MyParagraph;
		public vlnParagraph MyParagraph
		{
			get { return _MyParagraph; }
			set { _MyParagraph = value; }
		}
		public ParagraphLocation(float yTopMost,vlnParagraph myParagraph)
		{
			MyParagraph =myParagraph;
			YTop = myParagraph.YVeryTop - yTopMost;
			YBottom = myParagraph.YBottom - yTopMost;
			StepLevel = myParagraph.MyItemInfo.StepLevel;
		}
		public bool Overlap(vlnParagraph otherParagraph)
		{
			if (Between(otherParagraph.YTop, YTop, YBottom)) return true;
			if (Between(otherParagraph.YBottom, YTop, YBottom)) return true;
			if(Between(YTop,otherParagraph.YVeryTop,otherParagraph.YBottom)) return true;
			if(Between(YBottom,otherParagraph.YVeryTop,otherParagraph.YBottom)) return true;
			return false;
		}
		public static bool Between(float x, float lower, float higher)
		{ return x >= lower && x <= higher; }
		public bool Overlap(ParagraphLocation otherParagraphLocation)
		{
			if (Between(otherParagraphLocation.YTop, YTop, YBottom)) return true; // The top is within the other
			if (Between(otherParagraphLocation.YBottom, YTop, YBottom)) return true; // The bottom is within the other
			if(Between(YTop,otherParagraphLocation.YTop,otherParagraphLocation.YBottom)) return true; // the other top is within this one
			if(Between(YBottom,otherParagraphLocation.YTop,otherParagraphLocation.YBottom)) return true;// I believe this is unnecessary
			return false;
		}
		public void Merge(vlnParagraph otherParagraph)
		{
			if (StepLevel < otherParagraph.MyItemInfo.StepLevel) MyParagraph = otherParagraph;
			YTop = Math.Min(YTop, otherParagraph.YVeryTop);
			YBottom = Math.Max(YBottom, otherParagraph.YBottom);
			StepLevel = Math.Max(StepLevel, otherParagraph.MyItemInfo.StepLevel);
		}
		public void Merge(ParagraphLocation otherParagraphLocation)
		{
			if (StepLevel < otherParagraphLocation.StepLevel) MyParagraph = otherParagraphLocation.MyParagraph;
			YTop = Math.Min(YTop, otherParagraphLocation.YTop);
			YBottom = Math.Max(YBottom, otherParagraphLocation.YBottom);
			StepLevel = Math.Max(StepLevel, otherParagraphLocation.StepLevel);
		}
	}
}