diff --git a/PROMS/XYPlots/XYPlots.cs b/PROMS/XYPlots/XYPlots.cs
index c66ed9f3..d14ee178 100644
--- a/PROMS/XYPlots/XYPlots.cs
+++ b/PROMS/XYPlots/XYPlots.cs
@@ -20,7 +20,6 @@ namespace XYPlots
 		private static readonly log4net.ILog _MyLog = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
         #endregion
         public static string MyFontFamily { get; set; } = "Letter Gothic Tall";
-        private static Color _BlackColor = Color.Red;
 		public static Color BlackColor
 		{
 			get { return VG.VG.BlackColor; }
@@ -30,25 +29,24 @@ namespace XYPlots
         public float Height => 72 * (TopMargin + BottomMargin) + printerunits[1] * .05F;
         public float PlotWidth => (float)userunits[X];
         public float PlotHeight => (float)userunits[Y];
-        private double ConvertToTwips = 4.8;
-		static int MAX_XY_STACK = 8;		/* this is max of CIE cursor/font stack */
-		static int DPI = 1440; //300;
-		static int CWIDEDOTS = 120; //25;
-		static int CHIGHDOTS = 240; //50;
-		static int STRAIGHT = 0;
-		static int CURVE = 1;
-		static int X = 0;
-		static int Y = 1;
-		static int Dimensions = 2;
-		static int USER = 0;
-		static int PLOT = 1;
-		static double PI = 3.141592653;
-		static double Zero = 0.0;
-		static double ANGLELIMIT = 1.0;
+        private readonly double ConvertToTwips = 4.8;
+		static readonly int MAX_XY_STACK = 8;		/* this is max of CIE cursor/font stack */
+		static readonly int DPI = 1440; //300;
+		static readonly int CWIDEDOTS = 120; //25;
+		static readonly int CHIGHDOTS = 240; //50;
+		static readonly int STRAIGHT = 0;
+		static readonly int CURVE = 1;
+		static readonly int X = 0;
+		static readonly int Y = 1;
+		static readonly int Dimensions = 2;
+		static readonly int USER = 0;
+		static readonly int PLOT = 1;
+		static readonly double PI = 3.141592653;
+		static readonly double Zero = 0.0;
+		static readonly double ANGLELIMIT = 1.0;
 		// !!!! NEED REAL SUPERSCRIPT ON/OFF TOKENS
-		static string[] SuperScript = { "##", "##" };
-		static string[] SubScript = { "~~", "~~" };
-		FileStream XYPlotFile;
+		static readonly string[] SuperScript = { "##", "##" };
+		static readonly string[] SubScript = { "~~", "~~" };
 		private int[] SavedX;
 		private int[] SavedY;
 		private int stack;
@@ -106,27 +104,27 @@ namespace XYPlots
 		private string valuestring;
 		private string powerstring;
 		private int GridOnFlag, Visible, ShadowFlag;
-		private char[] type = new char[Dimensions];
-		private double FontPitch = 10.0;
-		private double[] minimum = new double[Dimensions];
-		private double[] maximum = new double[Dimensions];
-		private double[] userunits = new double[Dimensions];
-		private int[] printerunits = new int[Dimensions];
-		private int[] Position = new int[Dimensions];
-		private double[,] Scale = new double[2, Dimensions];
-		private double[,] Offset = new double[2, Dimensions];
-		private double[] delta = new double[Dimensions];
-		private int[] cycles = new int[Dimensions];
-		private int[] onecycle = new int[Dimensions];
-		private int[] minor = new int[Dimensions];
-		private int[] spcminor = new int[Dimensions];
-		private string[] AxisTitles = new string[Dimensions];
-		private int[] AxisLabel = new int[Dimensions];// 1 for YES(default), 0 for NO
+		private readonly char[] type = new char[Dimensions];
+		private readonly double FontPitch = 10.0;
+		private readonly double[] minimum = new double[Dimensions];
+		private readonly double[] maximum = new double[Dimensions];
+		private readonly double[] userunits = new double[Dimensions];
+		private readonly int[] printerunits = new int[Dimensions];
+		private readonly int[] Position = new int[Dimensions];
+		private readonly double[,] Scale = new double[2, Dimensions];
+		private readonly double[,] Offset = new double[2, Dimensions];
+		private readonly double[] delta = new double[Dimensions];
+		private readonly int[] cycles = new int[Dimensions];
+		private readonly int[] onecycle = new int[Dimensions];
+		private readonly int[] minor = new int[Dimensions];
+		private readonly int[] spcminor = new int[Dimensions];
+		private readonly string[] AxisTitles = new string[Dimensions];
+		private readonly int[] AxisLabel = new int[Dimensions];// 1 for YES(default), 0 for NO
 		private int CurPenWidth, DrawDirection, LineFlag, LineDiv;
 		private int EndFlag = 0;
 		public string Buff; 
 		private int BuffPtr = 0;
-		private bool[,] doLOG10 = { { false, false }, { false, false } };
+		private readonly bool[,] doLOG10 = { { false, false }, { false, false } };
 		public struct point
 		{
 			public int[] xyValue;
@@ -141,8 +139,8 @@ namespace XYPlots
 		public class XyBoxes : List<XyBox>
 		{
 		}
-		private XyBoxes AllBoxes = new XyBoxes();
-		private XyBoxes ActiveBoxes = new XyBoxes();
+		private readonly XyBoxes AllBoxes = new XyBoxes();
+		private readonly XyBoxes ActiveBoxes = new XyBoxes();
 		public class DataPoint
 		{
             // Make it easier to Debug
@@ -165,7 +163,8 @@ namespace XYPlots
 			public int PlotDivisions;
 			public DataPoints PlotDataPoints;
 		};
-		private List<PlotLine> AllPlots = new List<PlotLine>();
+        [System.Diagnostics.CodeAnalysis.SuppressMessage("Style", "IDE0044:Add readonly modifier", Justification = "Keeping Collections Not ReadOnly")]
+        private List<PlotLine> AllPlots = new List<PlotLine>();
 		private int YLandScape = 0;				/* y axis title is horizontal */
 		private point YTitleOrigin;		/* y axis title origin if vertical */
 		private double FixAngle(double a1)
@@ -234,72 +233,6 @@ namespace XYPlots
 			else
 			return false;
 		}
-		private bool LoadBuff(string FileName)
-		{
-			if (!File.Exists(FileName))
-			{
-				if (!BaseLnSettings.blBaseLine) // B2026-056 suppress messages when running baseline.
-				{
-					// File does not exist, show error message
-					MessageBox.Show(String.Format("X/Y Plot File {0} Does Not Exist", FileName), "Error Opening X/Y Plot File");
-					return false;
-				}
-			}
-			// Open the X/Y Plot file
-			try
-			{
-				XYPlotFile = File.OpenRead(FileName);
-			}
-			catch (Exception e)
-			{
-				if (!BaseLnSettings.blBaseLine) // B2026-056 suppress messages when running baseline.
-				{
-					// cannot open the x/y plot file
-					MessageBox.Show(e.Message, String.Format("Error Opening {0} for Reading", FileName));
-					return false;
-				}
-			}
-			int blen = (int)XYPlotFile.Length;
-			int bread = 0;
-			// initialize a byte array to read into
-			byte[] bbuf = new byte[blen + 1];
-			for (int i = 0; i < blen; i++) bbuf[i] = 0;
-			// Read the contents of the x/y plot file into the byte array
-			try
-			{
-				bread = XYPlotFile.Read(bbuf, 0, blen);
-			}
-			catch (Exception e)
-			{
-				if (!BaseLnSettings.blBaseLine) // B2026-056 suppress messages when running baseline.
-				{
-					MessageBox.Show(e.Message, String.Format("Error Reading {0}", FileName));
-					return false;
-				}	
-			}
-			try
-			{
-				XYPlotFile.Close();
-			}
-			catch (Exception e)
-			{
-				if (!BaseLnSettings.blBaseLine) // B2026-056 suppress messages when running baseline.
-				{
-					MessageBox.Show(e.Message, String.Format("Error Closing {0}", FileName));
-					return false;
-				}
-			}
-			StringBuilder sb = new StringBuilder();
-			for (int i = 0; i < bbuf.Length; i++)
-			{
-				if (bbuf[i] == '\r' && bbuf[i - 1] == ' ')
-					sb.Remove(i - 1, 1);
-				sb.Append(Convert.ToChar(bbuf[i]));
-			}
-			Buff = sb.ToString();
-			BuffPtr = 0;
-			return true;
-		}
         private void LoadBuffFromString(string str) => Buff = str;
         private int getint()
 		{
@@ -356,9 +289,11 @@ namespace XYPlots
         public string XYPlotIssue { get; set; }
         private point GetPair(int flag)
 		{
-			point retval = new point();
-			retval.xyValue = new int[Dimensions];
-			double x, y;
+            point retval = new point
+            {
+                xyValue = new int[Dimensions]
+            };
+            double x, y;
 			char[] sepchar = { ',' };
 			string nextPiece = NextPiece(); // Plot Definition
 			string[] xystr = nextPiece.Split(sepchar);
@@ -413,7 +348,7 @@ namespace XYPlots
 						if (retval == ' ')
 						{
 							Lbuff.Append('\n');
-							retval = NextChar();
+                            _ = NextChar();
 							retval = NextChar();
 						}
 						break;
@@ -484,7 +419,7 @@ namespace XYPlots
 			if (LinesUsed == 0)
 				LinesUsed = (int)(1.5 * CHIGHDOTS);		/* adjust for x axis tics */
 			LinesUsed += printerunits[Y];
-			LinesUsed = LinesUsed / CHIGHDOTS;
+			LinesUsed /= CHIGHDOTS;
 		}
 		private void GetScaleInfo()
 		{
@@ -560,24 +495,27 @@ namespace XYPlots
 		}
 		private point DetermineBoxMax(XyBox boxptr)
 		{
-			point newval = new point();
-			newval.xyValue = new int[Dimensions];
-			string tmp;
+            point newval = new point
+            {
+                xyValue = new int[Dimensions]
+            };
+            string tmp;
 			int pos = 0, prevPos = 0;
-			int nl = 0, xmax = 0, ilen = 0;
-			tmp = stripSuperSub(boxptr.BoxText);
+            int nl = 0, xmax = 0;
+            tmp = stripSuperSub(boxptr.BoxText);
 			tmp = tmp.Replace("\r\n", "\n");
-			while ((pos = tmp.IndexOf('\n', pos)) > -1)
-			{
-				ilen = pos - prevPos;
-				xmax = Math.Max(xmax, ilen);
-				// OLD:  prevPos = pos;
-				prevPos = pos + 1;
-				pos++;
-				nl++;
-			}
-			// OLD: ilen = tmp.Substring(prevPos + 1).Length;
-			ilen = tmp.Length - prevPos; // tmp.Substring(prevPos).Length;
+            int ilen;
+            while ((pos = tmp.IndexOf('\n', pos)) > -1)
+            {
+                ilen = pos - prevPos;
+                xmax = Math.Max(xmax, ilen);
+                // OLD:  prevPos = pos;
+                prevPos = pos + 1;
+                pos++;
+                nl++;
+            }
+            // OLD: ilen = tmp.Substring(prevPos + 1).Length;
+            ilen = tmp.Length - prevPos; // tmp.Substring(prevPos).Length;
 			xmax = Math.Max(xmax, ilen) + 2;
 			newval.xyValue[X] = boxptr.BoxMinimum.xyValue[X] + (xmax * CWIDEDOTS);
 			// OLD: newval.xyValue[Y] = boxptr.BoxMinimum.xyValue[Y] - (nl * CHIGHDOTS) - (int)(30 * ConvertToTwips);
@@ -596,11 +534,15 @@ namespace XYPlots
 			NewBox.Shadow = ShadowFlag;
 			ShadowFlag = 0;
 			NewBox.BoxMaximum = DetermineBoxMax(NewBox);
-			point minPoint = new point();
-			minPoint.xyValue = new int[Dimensions];
-			point maxPoint = new point();
-			maxPoint.xyValue = new int[Dimensions];
-			minPoint.xyValue[X] = Origin.xyValue[X];
+            point minPoint = new point
+            {
+                xyValue = new int[Dimensions]
+            };
+            point maxPoint = new point
+            {
+                xyValue = new int[Dimensions]
+            };
+            minPoint.xyValue[X] = Origin.xyValue[X];
 			minPoint.xyValue[Y] = NewBox.BoxMaximum.xyValue[Y];
 			maxPoint.xyValue[X] = NewBox.BoxMaximum.xyValue[X];
 			maxPoint.xyValue[Y] = Origin.xyValue[Y];
@@ -618,9 +560,11 @@ namespace XYPlots
 			pointcount = EndFlag = 0;
 			while (EndFlag == 0)
 			{
-				DataPoint pl = new DataPoint();
-				pl.APoint = new point();
-				pl.APoint = GetPair(PLOT);
+                DataPoint pl = new DataPoint
+                {
+                    APoint = new point()
+                };
+                pl.APoint = GetPair(PLOT);
 				pointcount++;
 				dataPoints.Add(pl);
 			}
@@ -662,7 +606,6 @@ namespace XYPlots
 			DataPoint thispt, prevpt, firstpt;
 			long yval, y1, y3;
 			int PlAryIdx = 0;
-			int PlAryNumItems = dataPoints.Count;
 			prevpt = dataPoints[PlAryIdx];
 			PlAryIdx++;
 			thispt = dataPoints[PlAryIdx];
@@ -684,11 +627,13 @@ namespace XYPlots
 		}
 		private void AddAPlot(DataPoints ptr)
 		{
-			PlotLine NewLine = new PlotLine();
-			NewLine.PlotType = LineFlag;
-			NewLine.PlotDivisions = LineDiv;
-			NewLine.PlotDataPoints = ptr;
-			AllPlots.Insert(0, NewLine);
+            PlotLine NewLine = new PlotLine
+            {
+                PlotType = LineFlag,
+                PlotDivisions = LineDiv,
+                PlotDataPoints = ptr
+            };
+            AllPlots.Insert(0, NewLine);
 		}
 		private void GenerateGrid(VG.Page pg, IVGOutput vgOutput)
 		{
@@ -899,7 +844,7 @@ namespace XYPlots
 		{
 			int tlen;
 			powerstring = string.Format("x10{0}{1}{2}", SuperScript[0], i.ToString(), SuperScript[1]);
-			valuestring = valuestring + powerstring;
+			valuestring += powerstring;
 			tlen = SuperScript[0].Length + SuperScript[1].Length;
 			return (powerstring.Length - tlen);
 		}
@@ -917,7 +862,9 @@ namespace XYPlots
 				LinesUsed += (3 * CHIGHDOTS);
 				AxisTitles[X] = null;
 			}
-			if ((AxisTitles[Y] != null) && (len = AxisTitles[Y].Length) > 0)
+#pragma warning disable IDE0059 // Unnecessary assignment of a value
+            //Keeping len = AxisTitles[Y].Length for Debugging
+            if ((AxisTitles[Y] != null) && (len = AxisTitles[Y].Length) > 0)
 			{
 				if (YLandScape > 0)
 				{
@@ -938,7 +885,8 @@ namespace XYPlots
 				}
 				AxisTitles[Y] = null;
 			}
-			RecallPosition();
+#pragma warning restore IDE0059 // Unnecessary assignment of a value
+            RecallPosition();
 		}
 		private void DoBoxes(VG.Page pg, IVGOutput vgOutput)
 		{
@@ -1040,9 +988,11 @@ namespace XYPlots
 		}
 		private point FindModifiedCenter(double rprime, point PtOnArc, double ang)
 		{
-			point newcenter = new point();
-			newcenter.xyValue = new int[Dimensions];
-			newcenter.xyValue[X] = (int)(PtOnArc.xyValue[X] - rprime * cos_deg(ang));
+            point newcenter = new point
+            {
+                xyValue = new int[Dimensions]
+            };
+            newcenter.xyValue[X] = (int)(PtOnArc.xyValue[X] - rprime * cos_deg(ang));
 			newcenter.xyValue[Y] = (int)(PtOnArc.xyValue[Y] - rprime * sin_deg(ang));
 			return (newcenter);
 		}
@@ -1060,9 +1010,11 @@ namespace XYPlots
 			x2 = pt2.APoint.xyValue[X];
 			y2 = pt2.APoint.xyValue[Y];
 			midpt = new DataPoint();
-			pt = new point();
-			pt.xyValue = new int[Dimensions];
-			so = FindSlope(pt1.APoint, pt2.APoint);
+            pt = new point
+            {
+                xyValue = new int[Dimensions]
+            };
+            so = FindSlope(pt1.APoint, pt2.APoint);
 			midpt.slope = (4.0 * so - pt1.slope - pt2.slope) / 2.0;
 			pt.xyValue[X] = x1 + (x2 - x1) / 2;
 			pt.xyValue[Y] = y1 + (y2 - y1) / 2;
@@ -1173,9 +1125,11 @@ namespace XYPlots
 			double c1, c2, s1, s2;
 			double t3a, t4a;
 			point cp1, cp2;
-			t3 = FixAngle(t3a=GetAngle(pt1.slope));
-			t4 = FixAngle(t4a=GetAngle(pt2.slope));
-			thetaa = GetAngleBetweenPoints(pt1.APoint, pt2.APoint);
+#pragma warning disable IDE0059 // Unnecessary assignment of a value - Keeping t3a,t4a for Debugging
+            t3 = FixAngle(t3a=GetAngle(pt1.slope));
+            t4 = FixAngle(t4a=GetAngle(pt2.slope));
+#pragma warning restore IDE0059 // Unnecessary assignment of a value
+            thetaa = GetAngleBetweenPoints(pt1.APoint, pt2.APoint);
 			if ((t3 - thetaa) * (t4 - thetaa) >= 0.0)
 			{
 				double tprime;
@@ -1417,7 +1371,6 @@ namespace XYPlots
 			y = Position[Y] - pty;
 			DrawGridRelative(x, y, pg, vgOutput);
 		}
-        private void relval(string ptr, int i) => ptr = string.Format("+{0}", i.ToString());
         private void MoveRelative(int x, int y)
 		{
 			Position[X] += x;
@@ -1450,7 +1403,6 @@ namespace XYPlots
 		private void DrawArc(double radius, double Sangle, double Eangle, point cp, int x, int y, VG.Page pg, IVGOutput vgOutput)
 		{
 			DebugOutput("r={0} sAngle={1} eAngle={2} cp={3},{4} x={5} y={6}", radius, Sangle, Eangle, cp.xyValue[0], cp.xyValue[1], x, y);
-			int dx, dy;
 			long radchk;
 			radchk = (long)radius;
 			if (radchk > 72000L)
@@ -1458,8 +1410,9 @@ namespace XYPlots
 				DrawAbsolute(x, y, pg, vgOutput);
 				return;
 			}
-			dx = x - cp.xyValue[X]; //jj
-			dy = Math.Abs(cp.xyValue[Y] - Position[Y]); //jj
+			//For Debugging
+            //int dx = x - cp.xyValue[X]; //jj
+            //int dy = Math.Abs(cp.xyValue[Y] - Position[Y]); //jj
 			float x1 = cp.xyValue[X] - (float)radius;
 			float y1 = cp.xyValue[Y] - (float)radius;
 			float w1 = (float)radius * 2;
@@ -1648,9 +1601,8 @@ namespace XYPlots
 					else if (wn > DPI / 5) dn = dd / 5;
 					else dn = dd / 2;
 					GenGrid(flag, n - dd, n, dn, wn, lw - 1, val, pg, vgOutput);
-					wn = 0;
-				}
-				val = valn;
+                }
+                val = valn;
 				if (flag == Y)
 					val = printerunits[Y] - val; //jj
 				MoveAbsolute((flag == X ? val : 0), (flag == Y ? val : 0));
@@ -1763,72 +1715,72 @@ namespace XYPlots
 			// - break up the string (if needed) and change the font pitch
 			//   for the text that is to be super/subscripted
 			VG_Text drawText;
-			string tstr = "";
-			int Xpos, Ypos;
-			int sidx = 0; // beginning of string
+            int Xpos, Ypos;
+            int sidx = 0; // beginning of string
 			int idx = 0; // current position in string
 			Xpos = Position[X];
 			Ypos = Position[Y];
-			while (idx < txt.Length)
-			{
-				int tidx;
-				if ((tidx = txt.IndexOf(SuperScript[0], idx)) > -1)
-				{
-					// print text up to the superscript
-					tstr = txt.Substring(sidx, tidx - sidx);
-					drawText = new VG_Text(Xpos, Ypos, (int)FontPitch, tstr, MyFontFamily, "", "", "", pg);
-					drawText.Draw(vgOutput);
-					Xpos += (CWIDEDOTS * tstr.Length);
-					tidx += SuperScript[0].Length;
-					idx = tidx;
-					sidx = idx;
-					tidx = txt.IndexOf(SuperScript[1], idx);
-					if (tidx > 0)
-					{
-						// switch font pitch, move up some, and print the superscript text
-						tstr = txt.Substring(sidx, tidx - sidx);
-						Ypos -= (CHIGHDOTS / 2); // move up half a char heigth
-						drawText = new VG_Text(Xpos, Ypos, (int)(FontPitch / 2), tstr, MyFontFamily, "", "", "", pg);
-						drawText.Draw(vgOutput);
-						Ypos += (CHIGHDOTS / 2); // move back down
-						Xpos += ((CWIDEDOTS / 2) * tstr.Length); // positon half the width of the string
-						tidx += SuperScript[1].Length;
-						idx = tidx;
-						sidx = idx;
-						continue; // go back to beginning of while loop
-					}
-				}
-				else if ((tidx = txt.IndexOf(SubScript[0], idx)) > -1)
-				{
-					// print text up to the superscript
-					tstr = txt.Substring(sidx, tidx - sidx);
-					drawText = new VG_Text(Xpos, Ypos, (int)FontPitch, tstr, MyFontFamily, "", "", "", pg);
-					drawText.Draw(vgOutput);
-					Xpos += (CWIDEDOTS * tstr.Length);
-					tidx += SubScript[0].Length;
-					idx = tidx;
-					sidx = idx;
-					tidx = txt.IndexOf(SubScript[1], idx);
-					if (tidx > 0)
-					{
-						// switch font pitch, move up some, and print the superscript text
-						tstr = txt.Substring(sidx, tidx - sidx);
-						drawText = new VG_Text(Xpos, Ypos, (int)(FontPitch / 2), tstr, MyFontFamily, "", "", "", pg);
-						drawText.Draw(vgOutput);
-						Xpos += ((CWIDEDOTS / 2) * tstr.Length); // positon half the width of the string
-						tidx += SubScript[1].Length;
-						idx = tidx;
-						sidx = idx;
-						continue; // go back to beginning of while loop
-					}
-				}
-				else
-				{
-					idx++;
-				}
-			} // end while
+            string tstr;
+            while (idx < txt.Length)
+            {
+                int tidx;
+                if ((tidx = txt.IndexOf(SuperScript[0], idx)) > -1)
+                {
+                    // print text up to the superscript
+                    tstr = txt.Substring(sidx, tidx - sidx);
+                    drawText = new VG_Text(Xpos, Ypos, (int)FontPitch, tstr, MyFontFamily, "", "", "", pg);
+                    drawText.Draw(vgOutput);
+                    Xpos += (CWIDEDOTS * tstr.Length);
+                    tidx += SuperScript[0].Length;
+                    idx = tidx;
+                    sidx = idx;
+                    tidx = txt.IndexOf(SuperScript[1], idx);
+                    if (tidx > 0)
+                    {
+                        // switch font pitch, move up some, and print the superscript text
+                        tstr = txt.Substring(sidx, tidx - sidx);
+                        Ypos -= (CHIGHDOTS / 2); // move up half a char heigth
+                        drawText = new VG_Text(Xpos, Ypos, (int)(FontPitch / 2), tstr, MyFontFamily, "", "", "", pg);
+                        drawText.Draw(vgOutput);
+                        Ypos += (CHIGHDOTS / 2); // move back down
+                        Xpos += ((CWIDEDOTS / 2) * tstr.Length); // positon half the width of the string
+                        tidx += SuperScript[1].Length;
+                        idx = tidx;
+                        sidx = idx;
+                        continue; // go back to beginning of while loop
+                    }
+                }
+                else if ((tidx = txt.IndexOf(SubScript[0], idx)) > -1)
+                {
+                    // print text up to the superscript
+                    tstr = txt.Substring(sidx, tidx - sidx);
+                    drawText = new VG_Text(Xpos, Ypos, (int)FontPitch, tstr, MyFontFamily, "", "", "", pg);
+                    drawText.Draw(vgOutput);
+                    Xpos += (CWIDEDOTS * tstr.Length);
+                    tidx += SubScript[0].Length;
+                    idx = tidx;
+                    sidx = idx;
+                    tidx = txt.IndexOf(SubScript[1], idx);
+                    if (tidx > 0)
+                    {
+                        // switch font pitch, move up some, and print the superscript text
+                        tstr = txt.Substring(sidx, tidx - sidx);
+                        drawText = new VG_Text(Xpos, Ypos, (int)(FontPitch / 2), tstr, MyFontFamily, "", "", "", pg);
+                        drawText.Draw(vgOutput);
+                        Xpos += ((CWIDEDOTS / 2) * tstr.Length); // positon half the width of the string
+                        tidx += SubScript[1].Length;
+                        idx = tidx;
+                        sidx = idx;
+                        continue; // go back to beginning of while loop
+                    }
+                }
+                else
+                {
+                    idx++;
+                }
+            } // end while
 
-			if (sidx < txt.Length)
+            if (sidx < txt.Length)
 			{
 				tstr = txt.Substring(sidx);
 				drawText = new VG_Text(Xpos, Ypos, (int)FontPitch, tstr, MyFontFamily, "", "", "", pg);
@@ -1943,7 +1895,9 @@ namespace XYPlots
 				throw new Exception(String.Format("X/Y Plot Error - {0} - {1}",step,XYPlotIssue ?? "Unknown Issue"));
 			}
 		}
-		private void ShowPoints(DataPoints dataPoints)
+
+        [System.Diagnostics.CodeAnalysis.SuppressMessage("Style", "IDE0060:Remove unused parameter", Justification = "Kept for Debugging")]
+        private void ShowPoints(DataPoints dataPoints)
 		{
 //#if DEBUG
 			//foreach (DataPoint pl in dataPoints)
@@ -1953,7 +1907,8 @@ namespace XYPlots
 //#endif
 		}
 		public static string Key = "";
-		private void DebugOutput(string format, params object[] args)
+        [System.Diagnostics.CodeAnalysis.SuppressMessage("Style", "IDE0060:Remove unused parameter", Justification = "Keeping args for future use/Debugging")]
+        private void DebugOutput(string format, params object[] args)
 		{
 //#if DEBUG
 			//if (args.Length == 0)
@@ -1961,7 +1916,8 @@ namespace XYPlots
 			//Console.WriteLine(format, args);
 //#endif
 		}
-		private void DebugShowLocation(string command)
+        [System.Diagnostics.CodeAnalysis.SuppressMessage("Style", "IDE0060:Remove unused parameter", Justification = "Keeping command for Debugging")]
+        private void DebugShowLocation(string command)
 		{
 			//Console.WriteLine("'{0}',{1},{2}", command, Position[X], Position[Y]);
 		}