C2026-046 - Decrease check if need to update ROs.

Format only change - good for testing phase

PROMS/Formats/Formats.csproj

@@ -179,6 +179,7 @@
     <Content Include="fmtall\CPL_00all.xml" />
     <Content Include="fmtall\CPL_01all.xml" />
     <Content Include="fmtall\CPL_02all.xml" />
+    <Content Include="fmtall\CPL_04all.xml" />
     <Content Include="fmtall\CPL_03all.xml" />
     <Content Include="fmtall\CPSAMGDataall.xml" />
     <Content Include="fmtall\CPSAMGDEVall.xml" />

PROMS/VEPROMS User Interface/PROMSFixes.Sql

@@ -5547,6 +5547,12 @@ ELSE PRINT 'Function: ve_GetItemDerivedApplicability Error on Creation'
 GO
 
 -------
+
+-- =============================================
+-- Author:		Matthew Schill
+-- Modify date: 07/14/2026
+-- Description:	Reworked ve_GetParentItem for Performance improvement
+-- =============================================
 /****** Object:  UserDefinedFunction [dbo].[vefn_GetParentItem]    Script Date: 03/28/2012 17:58:48 ******/
 IF EXISTS (SELECT * FROM dbo.sysobjects WHERE id = OBJECT_ID(N'[ve_GetParentItem]') AND OBJECTPROPERTY(id,N'IsScalarFunction') = 1)
     DROP FUNCTION [ve_GetParentItem];
@@ -5555,35 +5561,46 @@ GO
    Volian Enterprises - Proprietary Information - DO NOT COPY OR DISTRIBUTE
        Copyright 2012 - Volian Enterprises, Inc. All rights reserved.
 *****************************************************************************/
-CREATE FUNCTION [dbo].[ve_GetParentItem] (@ItemID int) RETURNS int
+CREATE OR ALTER FUNCTION [dbo].[ve_GetParentItem] (@ItemID int) RETURNS int
 WITH EXECUTE AS OWNER
 AS
 BEGIN
 DECLARE @ParentID int;
-WITH Itemz([ItemID],[IsFound]) as
+WITH Itemz([ItemID]) as
 (
-select ii.itemid,0 from items ii where ii.itemid = @ItemID
+select ii.itemid from items ii WITH (NOLOCK) where ii.itemid = @ItemID
 union all
-select ii.previousid,0 from items ii
+select ii.previousid from items ii WITH (NOLOCK)
 join itemz zz on ii.itemid = zz.itemid
 where ii.previousid is not null
-and zz.isfound = 0
-union all
-select ii.itemid,1
-from parts pp
-join itemz zz on pp.itemid = zz.itemid
-join items ii on ii.contentid = pp.contentid
 )
-select top 1 @ParentID = itemid from itemz
+select top 1 @ParentID = ii.itemid 
-where isfound = 1 OPTION (MAXRECURSION 10000)
+from itemz
+inner join parts pp WITH (NOLOCK) on pp.itemid = itemz.itemid
+inner join items ii WITH (NOLOCK) on ii.contentid = pp.contentid
+OPTION (MAXRECURSION 10000)
+
 RETURN @ParentID
 END
+
 GO
 
 IF (@@Error = 0) PRINT 'ScalerFunction [vefn_GetParentItem] Succeeded'
 ELSE PRINT 'ScalerFunction [vefn_GetParentItem] Error on Creation'
 go
 
+IF EXISTS (SELECT * FROM dbo.sysIndexes WHERE name like 'IX_PartsItemID')
+	DROP INDEX [IX_PartsItemID] ON [dbo].[tblParts];
+GO
+
+CREATE NONCLUSTERED INDEX IX_PartsItemID
+ON [dbo].[tblParts] ([ItemID] ASC)
+INCLUDE([ContentID],[DeleteStatus],[FromType]) WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, SORT_IN_TEMPDB = OFF, DROP_EXISTING = OFF, ONLINE = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
+GO
+
+PRINT 'Added IX_PartsItemID Index.  Speeds up Getting Parent Items'
+GO
+
 /****** Object:  UserDefinedFunction [dbo].[vefn_CanTransitionBeCreated]    Script Date: 10/14/2012 02:03:30 ******/
 IF EXISTS (SELECT * FROM dbo.sysobjects WHERE id = OBJECT_ID(N'[vefn_CanTransitionBeCreated]') AND OBJECTPROPERTY(id,N'IsScalarFunction') = 1)
 	DROP FUNCTION [vefn_CanTransitionBeCreated];
@@ -25051,8 +25068,8 @@ BEGIN TRY -- Try Block
 	DECLARE @RevDate varchar(255)
 	DECLARE @RevDescription varchar(255)
 
-	set @RevDate = '06/29/2026 7:00 AM'
+	set @RevDate = '07/16/2026 8:30 AM'
-	set @RevDescription = 'Update to Grid Deletion Audits'
+	set @RevDescription = 'Reworked ve_GetParentItem for Performance improvement'
 
 	Select  cast(@RevDate as datetime) RevDate, @RevDescription  RevDescription
 	PRINT 'SQL Code Revision ' + @RevDate + ' - ' + @RevDescription

PROMS/VEPROMS.CSLA.Library/Extension/ROFSTExt.cs

@@ -326,6 +326,8 @@ namespace VEPROMS.CSLA.Library
 		//           all of the calls aways set the flags to not update the RO values
 		public static ROFst UpdateRoFst(RODbInfo rdi, DocVersion docver, ROFstInfo origROFst, ROFstInfoProgressBarRefresh myProgressBarRefresh)
 		{
+            ROWorkingDraftAsk.ClearWorkingDrafts();
+
             if (myProgressBarRefresh != null) myProgressBarRefresh(0, 100, "Starting Update");
 
 			int origFSTid = origROFst.ROFstID;

PROMS/VEPROMS.CSLA.Library/Session/ROWorkingDraftAsk.cs

@@ -0,0 +1,18 @@
+
+using System.Collections.Generic;
+
+namespace VEPROMS.CSLA.Library
+{
+    public static class ROWorkingDraftAsk
+    {
+        [System.Diagnostics.CodeAnalysis.SuppressMessage("Style", "IDE0044:Add readonly modifier", Justification = "Keeping Collections Not ReadOnly")]
+        private static List<int> WorkingDrafts = new List<int>();
+
+        public static void AddWorkingDrafts(int wd) => WorkingDrafts.Add(wd);
+
+        public static void ClearWorkingDrafts() => WorkingDrafts.Clear();
+
+        public static bool ContainsWorkingDraft(int wd) => WorkingDrafts.Contains(wd);
+
+    }
+}

PROMS/VEPROMS.CSLA.Library/VEPROMS.CSLA.Library.csproj

@@ -396,6 +396,7 @@
     <Compile Include="Minimal\UserReports.cs" />
     <Compile Include="Minimal\UserSettings.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="Session\ROWorkingDraftAsk.cs" />
     <Compile Include="VEObjects\VEDrillDown.cs" />
     <Compile Include="VEObjects\VETreeNode.cs" />
   </ItemGroup>

PROMS/Volian.Controls.Library/DisplayRO.cs

@@ -652,7 +652,7 @@ namespace Volian.Controls.Library
                     {
                         //do nothing - is still checked out
                     }
-                    else if (changedDocVersion && !askedAboutchangedDocVersion)
+                    else if (changedDocVersion && !askedAboutchangedDocVersion && !ROWorkingDraftAsk.ContainsWorkingDraft(_docVersionInfo.VersionID))
                     {
                             if (MessageBox.Show($"There exists a newer ROFST for this RO database that was loaded for other sets.\r\n\r\nDo you want to update this set's ROs to be consistent/use the latest loaded ROFST?", "Load ROs", MessageBoxButtons.YesNo) == DialogResult.Yes)
                             {
@@ -671,10 +671,13 @@ namespace Volian.Controls.Library
                                 updatedROs = true;
 
                                 askedAboutchangedDocVersion = false;
+                                ROWorkingDraftAsk.ClearWorkingDrafts();
                             }
                             else
                             {
                                 askedAboutchangedDocVersion = true;
+                                if (!ROWorkingDraftAsk.ContainsWorkingDraft(_docVersionInfo.VersionID)) 
+                                    ROWorkingDraftAsk.AddWorkingDrafts(_docVersionInfo.VersionID);
                             }
 
                     }

PROMS/Volian.Controls.Library/DisplaySearch.cs

@@ -15,6 +15,8 @@ using System.Linq;
 
 namespace Volian.Controls.Library
 {
+#pragma warning disable IDE1006 // Naming Styles
+#pragma warning disable IDE0044 // Add readonly modifier
     public partial class DisplaySearch : UserControl
     {
         #region Public Events/Handlers
@@ -24,14 +26,12 @@ namespace Volian.Controls.Library
 
 		private void OnPrintRequest(DisplaySearchEventArgs args)
 		{
-			if (PrintRequest != null)
+            PrintRequest?.Invoke(this, args);
-				PrintRequest(this, args);
         }
 
 		private void OnSearchComplete(DisplaySearchEventArgs args)
 		{
-			if (SearchComplete != null)
+            SearchComplete?.Invoke(this, args);
-				SearchComplete(this, args);
         }
 
 		#endregion
@@ -218,8 +218,10 @@ namespace Volian.Controls.Library
 			{
 				if (_TmrRefresh == null)
 				{
-					_TmrRefresh = new Timer();
+                    _TmrRefresh = new Timer
-					_TmrRefresh.Interval = 1000;
+                    {
+                        Interval = 1000
+                    };
                     _TmrRefresh.Tick += _TmrRefresh_Tick;
 				}
 				return _TmrRefresh;
@@ -324,7 +326,6 @@ namespace Volian.Controls.Library
 			{
 				if (tabSearchTypes.SelectedTab == tabSearchTypes.Tabs[2])
 				{    // RO Search
-					ROFSTLookup.rochild[] chld = null;
                     ROFSTLookup.rochild ch;
 					if (cmboTreeROs.SelectedNode != null)
 					{
@@ -336,18 +337,16 @@ namespace Volian.Controls.Library
 						}
 						else
 						{
-							if (cmboTreeROs.SelectedNode.Tag is ROFSTLookup.rodbi)
+                            if (cmboTreeROs.SelectedNode.Tag is ROFSTLookup.rodbi db)
                             {
-								ROFSTLookup.rodbi db = (ROFSTLookup.rodbi)cmboTreeROs.SelectedNode.Tag;
+                                return $"{_MyRODbID.ToString()}:{string.Format("{0}", db.dbiID.ToString("X4"))}";
-                                return _MyRODbID.ToString() + ":" + string.Format("{0}", db.dbiID.ToString("X4"));
                             }
-							else if (cmboTreeROs.SelectedNode.Tag is ROFSTLookup.rochild)
+                            else if (cmboTreeROs.SelectedNode.Tag is ROFSTLookup.rochild roch)
                             {
-								ch = (ROFSTLookup.rochild)cmboTreeROs.SelectedNode.Tag;
+                                ROFSTLookup.rochild[] chld = roch.children;
-								chld = ch.children;
                                 // build a list of ROs to search
                                 // B2022-118: remove the ending comma otherwise query will fail
-                                string strRtnStr = _MyRODbID.ToString() + ":" + GetROsToSearch(chld);
+                                string strRtnStr = $"{_MyRODbID.ToString()}:{GetROsToSearch(chld)}";
                                 if (strRtnStr.EndsWith(","))
                                     strRtnStr = strRtnStr.Substring(0, strRtnStr.Length - 1);
                                 return strRtnStr;
@@ -391,7 +390,6 @@ namespace Volian.Controls.Library
 			cmbResultsStyle.Enabled = false;
 			tabSearchTypes.SelectedTabChanged += new TabStrip.SelectedTabChangedEventHandler(tabSearchTypes_SelectedTabChanged);
 			// Don't do this here.  If you do then the /DB parameter has not yet been set, which will cause the database menu to be displayed
-			//SetupContextMenu(); // so that the symbol list is available without selecting a procedure set or procedure
 		}
 
 		#endregion
@@ -447,20 +445,6 @@ namespace Volian.Controls.Library
 				}
 				btnSearch.Enabled = (cbxTranCategory.Items.Count > 0); // B2017-038 disable search button if no format selected
 																	   //enable-disable doc version nodes based on version type if selected
-				if (cbxTranVersion.SelectedIndex > -1)
-				{
-					if (dicExpandedFolderNodes.Count > 0)
-					{
-						foreach (DevComponents.AdvTree.Node n in dicExpandedFolderNodes.Keys)
-						{
-							DocVersionInfo dvi = (DocVersionInfo)n.Tag;
-							if (cbxTranVersion.Tag.ToString().Contains(dvi.VersionID.ToString()))
-								n.Enabled = true;
-							else
-								n.Enabled = false;
-						}
-					}
-				}
 				//setup transition format versions
 				this.Cursor = Cursors.WaitCursor;
 				if (myFormatVersionList == null)
@@ -475,6 +459,10 @@ namespace Volian.Controls.Library
 							versionID: group.Max(x => x.VersionID)
 						)).OrderBy(y => y.Title).ToList();
 
+                    //B2026-055 – Transition Search Improvements
+                    //Added an All option to allow resetting of the enabling/disabling tree options
+                    cbxTranVersion.Items.Add(new FormatVersion("All", -1, -1));
+
                     foreach (FormatVersion fv in fvlst)
 					{
 						cbxTranVersion.Items.Add(fv);
@@ -504,32 +492,6 @@ namespace Volian.Controls.Library
 
 		public void cbxTranFormat_SelectedIndexChanged(object sender, EventArgs e)
 		{
-			#region 1st cut
-			//if (cbxTranFormat.SelectedItem.ToString() == "All")
-			//{
-			//  cbxTranCategory.Items.Clear();
-			//  cbxTranCategory.Items.Add("All");
-			//  cbxTranCategory.Items.Add("Internal");
-			//  cbxTranCategory.Items.Add("External");
-			//  cbxTranCategory.Items.Add("Outside");
-			//  cbxTranCategory.SelectedIndex = 0;
-			//}
-			//else if (cbxTranFormat.SelectedItem.ToString().Contains("{Proc"))
-			//{
-			//  cbxTranCategory.Items.Clear();
-			//  cbxTranCategory.Items.Add("All");
-			//  cbxTranCategory.Items.Add("External");
-			//  cbxTranCategory.Items.Add("Outside");
-			//  cbxTranCategory.SelectedIndex = 0;
-			//}
-			//else
-			//{
-			//  cbxTranCategory.Items.Clear();
-			//  cbxTranCategory.Items.Add("Internal");
-			//  cbxTranCategory.SelectedIndex = 0;
-			//}
-			#endregion
-
 			#region 2nd cut
 			if (cbxTranFormat.SelectedItem.ToString().Contains("{Proc"))
 			{
@@ -564,31 +526,16 @@ namespace Volian.Controls.Library
 
 			cbxTranVersion.Tag = versionList;
 			cbxTranFormatFillIn(versionList);
-			if (dicExpandedFolderNodes.Count > 0)
-			{
-				foreach (DevComponents.AdvTree.Node n in dicExpandedFolderNodes.Keys)
-				{
-					FolderInfo fi = (FolderInfo)n.Tag;
-					// if this folder has a docversion, use its id:
-					string svid = null;
-					if (fi.FolderDocVersionCount > 0)
-						svid = fi.FolderDocVersions[0].VersionID.ToString();
-					if (cbxTranVersion.Tag.ToString().Contains(svid))
-						n.Enabled = true;
-					else
-						n.Enabled = false;
-				}
-			}
 
-			List<DevComponents.AdvTree.Node> uncheckNodes = new List<Node>();
+			List<DevComponents.AdvTree.Node> uncheckNodes = new List<DevComponents.AdvTree.Node>();
 			foreach (DevComponents.AdvTree.Node n in dicSelectedFolderNodes.Keys)
 			{
-				FolderInfo fi = (FolderInfo)n.Tag;          // this was crashing in old version of code
+				FolderInfo fi = n.Tag as FolderInfo;          // this was crashing in old version of code
 															// if this folder has a docversion, use its id:
 				string svid = null;
-				if (fi.FolderDocVersionCount > 0)
+				if (fi?.FolderDocVersionCount > 0)
 					svid = fi.FolderDocVersions[0].VersionID.ToString();
-				if (svid != null && !versionList.Contains(svid))
+                if (svid != null && !string.IsNullOrEmpty(versionList) && !versionList.Split(',').Contains(svid))
 					uncheckNodes.Add(n);
 				else
 					n.Enabled = true;
@@ -614,13 +561,17 @@ namespace Volian.Controls.Library
 					dicSelectedFolderNodes.Clear();
 				}
 			}
+
+            //B2026-055 – Transition Search Improvements
+			//Update Enabling/Disabling of Tree Elements
+            TraverseTree(advTreeProcSets.Nodes[0], cbxTranVersion.Tag?.ToString().Split(','));
+
             this.Cursor = Cursors.Default;
 		}
 
 		// C2020-033: Update the search panel for Incoming transitions.  This gets called from the tree view & the ribbon
 		public void UpdateSearchIncTransResults()
 		{
-			//IncTransSelectedCount = 0;
 			tabSearchTypes.SelectedTab = tabSearchTypes.Tabs[4];
 
 			lbSrchResultsIncTrans.DataSource = null;
@@ -697,13 +648,6 @@ namespace Volian.Controls.Library
 				DevComponents.AdvTree.Node newnode;
 				advTreeStepTypes.Nodes.Clear();
 				// Add a dummy node for searching Word Sections (MS Word sections)
-				//newnode = new DevComponents.AdvTree.Node();
-				//newnode.Text = "Word Sections";
-				//newnode.Selectable = true;
-				//newnode.CheckBoxAlignment = DevComponents.AdvTree.eCellPartAlignment.NearCenter;
-				//newnode.CheckBoxStyle = eCheckBoxStyle.CheckBox;
-				//newnode.CheckBoxThreeState = false;
-				//newnode.CheckBoxVisible = true;
 				newnode = NewAdvTreeNode("WORD Sections", true, true);      // C2020-010: Change Accessory Sections to Word Sections
 				wordSectionTreeNode = newnode;
 				// C2021-028: RNO Only search, disable Word section tree node
@@ -721,16 +665,6 @@ namespace Volian.Controls.Library
 					StepData sd = sdl[sdr.Index]; // get the step type record
 					string parentName = sd.ParentType; // this gets the parent of the this step/substep type
 
-					//Console.WriteLine("{0} {1} - {2}", parentName,sd.Type,sdr.Name);
-					//newnode = new DevComponents.AdvTree.Node();
-					//newnode.Text = sdr.Name;
-					//newnode.Name = sd.Type; // this needed for the FindNodeByName() function
-					//newnode.Tag = sd;
-					//newnode.Selectable = true;
-					//newnode.CheckBoxAlignment = DevComponents.AdvTree.eCellPartAlignment.NearCenter;
-					//newnode.CheckBoxStyle = eCheckBoxStyle.CheckBox;
-					//newnode.CheckBoxThreeState = false;
-					//newnode.CheckBoxVisible = true;
 					if (parentName.Equals("Base"))
 					{
 						newnode = NewAdvTreeNode(sdr.Name, true, true);
@@ -824,8 +758,7 @@ namespace Volian.Controls.Library
 		//C2023-010: Select all child nodes when a subtype is selected
 		private void pnode_selected(object sender, EventArgs e)
 		{
-			DevComponents.AdvTree.Node pnode = sender as DevComponents.AdvTree.Node;
+            if (sender is DevComponents.AdvTree.Node pnode && pnode.HasChildNodes)
-			if (pnode != null && pnode.HasChildNodes)
             {
                 CheckTreeNodeChildren(pnode.Nodes);
             }
@@ -840,18 +773,21 @@ namespace Volian.Controls.Library
 			int fiCount = fi.ChildFolderCount;
 			advTreeProcSets.Nodes.Clear();
 			lstCheckedDocVersions.Clear();
-			topnode = new DevComponents.AdvTree.Node();
+            topnode = new DevComponents.AdvTree.Node
-			topnode.Text = "Available Procedure Sets";
+            {
-			topnode.Tag = fi;
+                Text = "Available Procedure Sets",
-			topnode.DataKey = fi.FolderID;
+                Tag = fi,
+                DataKey = fi.FolderID
+            };
             advTreeProcSets.Nodes.Add(topnode);
-			//advTreeProcSets.AfterNodeInsert += new TreeNodeCollectionEventHandler(advTreeProcSets_AfterNodeInsert);
 
             //B2023-076: Adding option to select all procedure sets
-			DevComponents.AdvTree.Node selectAllNode = new Node();
+            DevComponents.AdvTree.Node selectAllNode = new Node
-			selectAllNode.Text = SelectAllProcedureSetsText;
+            {
-			selectAllNode.Tag = SelectAllProcedureSetsText;
+                Text = SelectAllProcedureSetsText,
-			selectAllNode.CheckBoxVisible = true;
+                Tag = SelectAllProcedureSetsText,
+                CheckBoxVisible = true
+            };
             selectAllNode.NodeClick += new EventHandler(AllProcedureSets_clicked);
 			topnode.Nodes.Add(selectAllNode);
 
@@ -859,18 +795,22 @@ namespace Volian.Controls.Library
 			{
 				foreach (FolderInfo fic in fi.SortedChildFolders)
 				{
-					DevComponents.AdvTree.Node newnode = new DevComponents.AdvTree.Node();
+                    DevComponents.AdvTree.Node newnode = new DevComponents.AdvTree.Node
-					newnode.Text = fic.ToString();
+                    {
-					newnode.Tag = fic;
+                        Text = fic.ToString(),
-					newnode.DataKey = fi.FolderID;
+                        Tag = fic,
+                        DataKey = fi.FolderID
+                    };
                     AddCheckBox(true, newnode);//C2016-045 Allow Folders to be selected.
 					cntnd++;
 					if (fic.ChildFolderCount > 0 || fic.FolderDocVersionCount > 0)      // allow for '+' for tree expansion
 					{
 						if (fic.ChildFolderCount > 0)           // B2017-176: Do not display the Working Draft node (don't create dummy for expander)
 						{
-							DevComponents.AdvTree.Node tnt = new DevComponents.AdvTree.Node();
+                            DevComponents.AdvTree.Node tnt = new DevComponents.AdvTree.Node
-							tnt.Text = DummyNodeText;
+                            {
+                                Text = DummyNodeText
+                            };
                             newnode.Nodes.Add(tnt);
 						}
 						topnode.Nodes.Add(newnode);
@@ -879,10 +819,12 @@ namespace Volian.Controls.Library
 			}
 			else
 			{
-				DevComponents.AdvTree.Node newnode = new DevComponents.AdvTree.Node();
+                DevComponents.AdvTree.Node newnode = new DevComponents.AdvTree.Node
-				newnode.Text = fi.ToString();
+                {
-				newnode.Tag = fi;
+                    Text = fi.ToString(),
-				newnode.DataKey = fi.FolderID;
+                    Tag = fi,
+                    DataKey = fi.FolderID
+                };
                 AddCheckBox(true, newnode);//C2016-045 Allow Folders to be selected.
 				topnode.Nodes.Add(newnode);
 				lstCheckedDocVersions.Add(Mydocversion);
@@ -893,8 +835,10 @@ namespace Volian.Controls.Library
 			{
 				cntnd++;
 				fi = Mydocversion.MyFolder;
-				topnode = new DevComponents.AdvTree.Node();
+                topnode = new DevComponents.AdvTree.Node
-				topnode.Text = fi.ToString();
+                {
+                    Text = fi.ToString()
+                };
                 advTreeProcSets.Nodes.Add(topnode);
 				topnode.Tag = fi;
 				topnode.DataKey = fi.FolderID;
@@ -929,30 +873,35 @@ namespace Volian.Controls.Library
 				{
 					foreach (FolderInfo fic in fi.SortedChildFolders)
 					{
-						DevComponents.AdvTree.Node newnode = new DevComponents.AdvTree.Node();
+                        DevComponents.AdvTree.Node newnode = new DevComponents.AdvTree.Node
-						newnode.Text = fic.ToString();
+                        {
-						newnode.Tag = fic;
+                            Text = fic.ToString(),
-						newnode.DataKey = fic.FolderID;
+                            Tag = fic,
+                            DataKey = fic.FolderID
+                        };
                         par.Nodes.Add(newnode);
 						AddCheckBox(true, newnode);//C2016-045 Allow Folders to be selected.
 						newnode.Enabled = true;
+
                         if (fic.ChildFolderCount > 0)       // B2017-176: Only expand if folder has folders (not working draft nodes)
 						{
-							DevComponents.AdvTree.Node tnt = new DevComponents.AdvTree.Node();
+                            DevComponents.AdvTree.Node tnt = new DevComponents.AdvTree.Node
-							tnt.Text = DummyNodeText;
+                            {
+                                Text = DummyNodeText
+                            };
                             newnode.Nodes.Add(tnt);
                             // B2017-176: Only expand if folder has folders (not working draft nodes): the following was moved from the code
                             //  that would check if this should be enabled if seraching for transition types.  The transition controls
                             //  had a list of associated docversions, so needed to get the docversion in the folder:
+                            if (tabSearchTypes.SelectedTab == tabTranSearch && !dicSelectedFolderNodes.ContainsKey(newnode))
+                                dicSelectedFolderNodes.Add(newnode, false);
+                        }
+
                         if (tabSearchTypes.SelectedTab == tabTranSearch)
                         {
-								if (!dicSelectedFolderNodes.ContainsKey(newnode)) dicSelectedFolderNodes.Add(newnode, false);
+                            //B2026-055 – Transition Search Improvements
-								// get the docversion for this folder, if it has one and determine whether it is enabled for transitions:
+                            //Update Enabling/Disabling of Tree Elements
-								string svid = null;
+                            TraverseTree(advTreeProcSets.Nodes[0], cbxTranVersion.Tag?.ToString().Split(','));
-								if (fic.FolderDocVersionCount > 0)
-									svid = fic.FolderDocVersions[0].VersionID.ToString();
-								newnode.Enabled = svid != null && cbxTranVersion.Tag != null ? cbxTranVersion.Tag.ToString().Contains(svid) : false;
-                        }
                         }
                     }
 				}
@@ -962,10 +911,10 @@ namespace Volian.Controls.Library
 		public void AdvTree_AfterExpandorCollapse(object sender, AdvTreeNodeEventArgs e)
 		{
 			Node bottomNode = BottomTreeNode(cmboTreeROs.AdvTree.Nodes);
-			Node lastNode = cmboTreeROs.AdvTree.Nodes[cmboTreeROs.AdvTree.Nodes.Count - 1];
+            _ = cmboTreeROs.AdvTree.Nodes[cmboTreeROs.AdvTree.Nodes.Count - 1]; //LastNode
 
 			int top = cmboTreeROs.AdvTree.Nodes[0].Bounds.Top;
-			int bottom = bottomNode.Bounds.Bottom + 5;
+			int bottom;
 			int hScrollBarHeight = cmboTreeROs.AdvTree.HScrollBar != null ? cmboTreeROs.AdvTree.HScrollBar.Height : 0;
 			bottom = bottomNode.Bounds.Bottom + 5;
 			cmboTreeROs.AdvTree.Size = new Size(cmboTreeROs.AdvTree.Size.Width, Math.Min(525, bottom - top + hScrollBarHeight));
@@ -974,10 +923,7 @@ namespace Volian.Controls.Library
 			{
 				int yLookFor = (bottom - cmboTreeROs.AdvTree.Size.Height) + 2 * hScrollBarHeight;
 				Node topNode = FindTreeNodeAt(cmboTreeROs.AdvTree.Nodes, yLookFor);
-				if (topNode != null)
+				topNode?.EnsureVisible();
-				{
-					topNode.EnsureVisible();
-			}
 			}
 		}
 
@@ -988,8 +934,10 @@ namespace Volian.Controls.Library
 		public void SetupAnnotationSearch(AnnotationDetails annotationDetails, DisplayTabControl tc)
 		{
 			_AnnotationDetails = annotationDetails;
-			List<AnnotationTypeSearch> annoTypes = new List<AnnotationTypeSearch>();
+			List<AnnotationTypeSearch> annoTypes = new List<AnnotationTypeSearch>
-			annoTypes.Add(new AnnotationTypeSearch("All Annotations", string.Empty));
+            {
+                new AnnotationTypeSearch("All Annotations", string.Empty)
+            };
 			AnnotationTypeInfoList annoList = AnnotationTypeInfoList.Get();
 			foreach (AnnotationTypeInfo ati in annoList)
 				annoTypes.Add(new AnnotationTypeSearch(ati.Name, ati.TypeID.ToString()));
@@ -1056,14 +1004,15 @@ namespace Volian.Controls.Library
 
 				foreach (Symbol sym in sl)
 				{
-					DevComponents.DotNetBar.ButtonItem btnCM = new DevComponents.DotNetBar.ButtonItem();
+                    DevComponents.DotNetBar.ButtonItem btnCM = new DevComponents.DotNetBar.ButtonItem
-
+                    {
-					btnCM.Text = string.Format("{0}", (char)sym.Unicode);
+                        Text = string.Format("{0}", (char)sym.Unicode),
                         // to name button use unicode rather than desc, desc may have spaces or odd chars
-					btnCM.Name = "btnCM" + sym.Unicode.ToString();
+                        Name = $"btnCM{sym.Unicode.ToString()}",
-					btnCM.Tooltip = sym.Desc;
+                        Tooltip = sym.Desc,
-					btnCM.Tag = string.Format(@"{0}", sym.Unicode);
+                        Tag = string.Format(@"{0}", sym.Unicode),
-					btnCM.FontBold = true;
+                        FontBold = true
+                    };
                     btnCM.Click += new System.EventHandler(btnSym_Click);
 					galSymbols.SubItems.Add(btnCM);
 				}
@@ -1112,9 +1061,11 @@ namespace Volian.Controls.Library
 		private DevComponents.AdvTree.Node NewAdvTreeNode(string nodetext, bool selectable, bool chxbxvisable)
 		{
 			DevComponents.AdvTree.Node newnode;
-			newnode = new DevComponents.AdvTree.Node();
+            newnode = new DevComponents.AdvTree.Node
-			newnode.Text = nodetext;
+            {
-			newnode.Selectable = selectable;
+                Text = nodetext,
+                Selectable = selectable
+            };
             AddCheckBox(chxbxvisable, newnode);//C2016-045 Allow Folders to be selected.
 			return newnode;
 		}
@@ -1161,7 +1112,7 @@ namespace Volian.Controls.Library
 			// folder properties dialog
 			bool allowNonAdmin = IncTranCvtPerm();
 			List<int> itmsEditable = new List<int>();   // return this list
-			int listCount = 0;
+            int listCount;
             if (all)  // Check all in list
 			{
 				listCount = _SearchResults.Count;
@@ -1185,14 +1136,13 @@ namespace Volian.Controls.Library
 			// not all can be converted to text. If count of itmsEditable & lbis are different some cannot be edited.
 			if (itmsEditable.Count == 0)
 			{
-				FlexibleMessageBox.Show("You do not have permission to edit any of the procedures, sections, and/or steps" + (all ? "." : " that are selected."),
+				FlexibleMessageBox.Show($"You do not have permission to edit any of the procedures, sections, and/or steps{(all ? "." : " that are selected.")}",
 						"Convert Transition to Text", MessageBoxButtons.OK, MessageBoxIcon.Information);
 				return null;
 			}
 			else if (itmsEditable.Count != listCount)
 			{
-				DialogResult ans = FlexibleMessageBox.Show("You only have permission to edit some of the procedures, sections, and/or steps that are selected.procedures, sections, and/or steps" + (all ? "." : " that are selected.") +
+				DialogResult ans = FlexibleMessageBox.Show($"You only have permission to edit some of the procedures, sections, and/or steps that are selected.procedures, sections, and/or steps{(all ? "." : " that are selected.")}\r\n\r\n Should the conversion of the transitions to text continue?",
-					"\r\n\r\n Should the conversion of the transitions to text continue?",
 							"Convert Transition to Text", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
 				if (ans == DialogResult.No) return null;
 			}
@@ -1213,7 +1163,7 @@ namespace Volian.Controls.Library
 		private void btnTranCvtSelToTxt_Click(object sender, EventArgs e)
 		{
             // First see if all selected can be converted, i.e. user has permission to edit 
-			List<ListBoxItem> lbis = lbSrchResultsIncTrans.CheckedItems;
+            _ = lbSrchResultsIncTrans.CheckedItems;
             List<int> itmsEditable = TranCvtCheckPermission(false);
 			if (itmsEditable == null || itmsEditable.Count == 0) return;
 			TranCvtToTxt(itmsEditable);
@@ -1446,8 +1396,10 @@ namespace Volian.Controls.Library
 						{
 							ROFSTLookup.rodbi db = dbs[i];
 
-							DevComponents.AdvTree.Node tn = new DevComponents.AdvTree.Node(db.dbiTitle);
+                            DevComponents.AdvTree.Node tn = new DevComponents.AdvTree.Node(db.dbiTitle)
-							tn.Tag = db;
+                            {
+                                Tag = db
+                            };
                             cmboTreeROs.Nodes.Add(tn);
 
 							AddDummyGroup(db, tn);
@@ -1500,17 +1452,14 @@ namespace Volian.Controls.Library
 			if (tn.HasChildNodes && tn.Nodes[0].Text != DummyNodeText) return;  // already loaded.
 			if (tn.HasChildNodes && tn.Nodes[0].Text == DummyNodeText) tn.Nodes[0].Remove();
 
-			ROFSTLookup.rochild[] chld = null;
+            ROFSTLookup.rochild[] chld;
-
+            if (tn.Tag is ROFSTLookup.rodbi db)
-			if (tn.Tag is ROFSTLookup.rodbi)
             {
-				ROFSTLookup.rodbi db = (ROFSTLookup.rodbi)tn.Tag;
                 MyROFSTLookup.LoadChildren(ref db);
                 chld = db.children;
             }
-			else if (tn.Tag is ROFSTLookup.rochild)
+            else if (tn.Tag is ROFSTLookup.rochild ch)
             {
-				ROFSTLookup.rochild ch = (ROFSTLookup.rochild)tn.Tag;
                 MyROFSTLookup.LoadChildren(ref ch);
                 chld = ch.children;
             }
@@ -1529,8 +1478,6 @@ namespace Volian.Controls.Library
 				for (int i = 0; i < chld.Length; i++)
 				{
 					ProgressBar_SetValue(i);
-					DevComponents.AdvTree.Node tmp = null;
-
                     ROFSTLookup.rochild roc = chld[i];
 
                     // if this is a group, i.e. type 0, add a dummy node
@@ -1554,10 +1501,13 @@ namespace Volian.Controls.Library
 					}
 
 
+                    Node tmp;
                     if (roc.value == null)
                     {
-						tmp = new DevComponents.AdvTree.Node(roc.title);
+                        tmp = new DevComponents.AdvTree.Node(roc.title)
-						tmp.Tag = roc;
+                        {
+                            Tag = roc
+                        };
 
                         int index = FindIndex(tn.Nodes, tmp.Text);
                         tn.Nodes.Insert(index, tmp);
@@ -1567,8 +1517,10 @@ namespace Volian.Controls.Library
                     }
                     else
                     {
-						tmp = new DevComponents.AdvTree.Node(roc.title);
+                        tmp = new DevComponents.AdvTree.Node(roc.title)
-						tmp.Tag = roc;
+                        {
+                            Tag = roc
+                        };
 
                         if (roc.roid.Length == 16)
                         {
@@ -1608,9 +1560,8 @@ namespace Volian.Controls.Library
 			{
 				cbxFndUnLnkROVals.Enabled = false;
 			}
-			else if (cmboTreeROs.SelectedNode.Tag is ROFSTLookup.rochild)
+			else if (cmboTreeROs.SelectedNode.Tag is ROFSTLookup.rochild ro)
             {
-				ROFSTLookup.rochild ro = (ROFSTLookup.rochild)cmboTreeROs.SelectedNode.Tag;
                 // B2022-026 RO Memory Reduction code - check children length
                 cbxFndUnLnkROVals.Enabled = (ro.children == null || ro.children.Length <= 0);
             }
@@ -1632,12 +1583,7 @@ namespace Volian.Controls.Library
 			bool keeplooking = true;
 			//build a stack (bread crumb trail) of where is procedure set came from within the tree.
 			Stack<string> crumbs = new Stack<string>();
-			//crumbs.Push(Mydocversion.Name); // ex: "working draft"
-			//crumbs.Push(Mydocversion.MyFolder.Name); // ex: "Emergency Procedures"
-			//crumbs.Push(Mydocversion.MyFolder.MyParent.Name); // ex: "STPNOC-South Texas"
-			//crumbs.Push(advTreeProcSets.Nodes[0].Text); //top node of my tree
 
-			//crumbs.Push(Mydocversion.Name); // ex: "working draft"
 			crumbs.Push(Mydocversion.MyFolder.Name); // ex: "Emergency Procedures"
 			FolderInfo fi = Mydocversion.MyFolder.MyParent;
 			while (fi != null)
@@ -1822,13 +1768,11 @@ namespace Volian.Controls.Library
 		//	item to be clicked and to turn on/off the btnTranCvtSelToTxt button for converting selected to test.
 		private void lbSrchResultsIncTrans_ItemClicked(object sender, EventArgs e)
 		{
-			ListBoxItem lbi = sender as ListBoxItem;
+            if (sender is ListBoxItem lbi)
-			if (lbi != null)
             {
                 ItemBindingData ibd = lbi.Tag as ItemBindingData;
-				ItemInfo ii = ibd.DataItem as ItemInfo;
                 bool allowNonAdmin = IncTranCvtPerm();
-				if (lbi.CheckState == CheckState.Checked && ii != null)
+                if (lbi.CheckState == CheckState.Checked && ibd.DataItem is ItemInfo ii)
                 {
                     if (!allowNonAdmin && !UserInfo.CanEdit(MyUserInfo, ii.MyDocVersion))
                     {
@@ -2039,11 +1983,8 @@ namespace Volian.Controls.Library
 				bool includeSpecialChars = (TextSearchString != @"\?"); // true;
 																		// Build list of selected types that were searched
 				string typstr = null;
-				foreach (string s in lstCheckedStepTypesStr) typstr = typstr == null ? s : typstr + ", " + s;
+				foreach (string s in lstCheckedStepTypesStr) typstr = typstr == null ? s : $"{typstr}, {s}";
-				TypesSelected = "Filtered By:  " + ((typstr != null) ? typstr : "All Step Types");
+				TypesSelected = $"Filtered By:  {typstr ?? "All Step Types"}";
-				//TypesSelected = "Step Types Searched: " + ((typstr != null) ? typstr : "all step types");
-				//TypesSelected = "Searched Step Types: " + ((typstr != null) ? typstr : "all step types");
-				//TypesSelected = (typstr != null) ? "Searched Step Types: " + typstr : "Searched All Step Types";
 				string unitPrefix = string.Empty;
 				if (Mydocversion != null)
 					unitPrefix = Mydocversion.DocVersionConfig.Unit_ProcedureNumber;
@@ -2063,11 +2004,8 @@ namespace Volian.Controls.Library
 						}
 						else
 						{
-							//string typstr = null;
-							//foreach (string s in lstCheckedStepTypesStr) typstr = typstr==null?s:typstr + ", " + s;
-							//ReportTitle = "Search for Selected Types"; //"Proms - Search by Type: " + typstr;
 							ReportTitle = "Step Element Report"; //"Proms - Search by Type: " + typstr;
-							TypesSelected = "Filtered By:  " + typstr;
+							TypesSelected = $"Filtered By:  {typstr}";
 							SearchString = null;
 								// B2022-031 - added a cbxProcSectSrch to filter out procedure and section titles from global search results.
 							SearchResults = ItemInfoList.GetListFromTextSearch(DVISearchList, TypeSearchList, string.Empty, cbxBooleanTxtSrch.Checked ? 2 : cbxCaseSensitive.Checked ? 1 : 0, cbxProcSectSrch.Checked ? 1 : 0, ItemSearchIncludeLinks.Value, includeRTFformat, includeSpecialChars, unitPrefix, string.Empty, string.Empty);
@@ -2076,14 +2014,6 @@ namespace Volian.Controls.Library
 					}
 					else
 					{
-						//if (textSearchString.Equals(string.Empty))
-						//{
-						//  MessageBox.Show("Please enter some search text, then click the Search button", "No Search Text");
-						//  cbxTextSearchText.Focus();
-						//}
-						//else
-						//{
-						//ReportTitle = string.Format("Proms - {0} Search for '{1}'", cbxBooleanTxtSrch.Checked ? "Boolean" : "Text", TextSearchString);
 						ReportTitle = string.Format("Search for '{0}'", TextSearchString);
 
 						// C2020-009: Search - Allow search 'By Word'. 
@@ -2114,8 +2044,6 @@ namespace Volian.Controls.Library
 							}
 						}
 						SearchString = TextSearchString;
-						//TypesSelected = (typstr != null) ? "Searched Step Types: " + typstr : "Searched All Step Types";
-						//TypesSelected = "Searched Step Types: " + ((typstr != null) ? typstr : "All Step Types");
 							// B2022-031 - added a cbxProcSectSrch to filter out procedure and section titles from global search results.
 						SearchResults = ItemInfoList.GetListFromTextSearch(DVISearchList, TypeSearchList, TextSearchString /*.Replace(@"\",@"\u9586?")*/, cbxBooleanTxtSrch.Checked ? 2 : cbxCaseSensitive.Checked ? 1 : 0, cbxProcSectSrch.Checked ? 1 : 0, cbxIncROTextSrch.Checked ? ItemSearchIncludeLinks.Value : ItemSearchIncludeLinks.Nothing, includeRTFformat, includeSpecialChars, unitPrefix, byWordPrefix, byWordSuffix);
 
@@ -2129,7 +2057,6 @@ namespace Volian.Controls.Library
 				{
 					LastSearchWasAnnotations = true; // B2019-119 only refresh annotation search results if an annotation search was done
 					SearchString = null;
-					//ReportTitle = string.Format("Proms - Annotation Search for '{0}'", cbxTextSearchAnnotation.Text);
 					if (cbxTextSearchAnnotation.Text == null || cbxTextSearchAnnotation.Text == string.Empty)
 					{
 						ReportTitle = string.Format("Find {0}{1}", cbxAnnoTypes.Text, (cbxAnnoTypes.SelectedIndex > 0) ? " Annotations" : string.Empty);
@@ -2138,14 +2065,8 @@ namespace Volian.Controls.Library
 					{
 						ReportTitle = string.Format("Search {0}{1} For '{2}'", cbxAnnoTypes.Text, (cbxAnnoTypes.SelectedIndex > 0) ? " Annotations" : string.Empty, cbxTextSearchAnnotation.Text);
 					}
-					//ReportTitle = string.Format("Search Annotations for '{0}'", cbxTextSearchAnnotation.Text);
-					//string srchStr = ConvertSpecialChars(cbxTextSearchAnnotation.Text);//cbxTextSearchAnnotation.Text;
-					//TypesSelected = "Searched Step Types: " + ((typstr != null) ? typstr : "All Step Types");
-
-					//SearchResults = ItemInfoList.GetListFromAnnotationSearch(dviSearchList, typeSearchList, textSearchString, srchStr, cbxCaseSensitiveAnnoText.Checked);
 
 					SearchResults = ItemInfoList.GetListFromAnnotationSearch(DVISearchList, TypeSearchList, AnnotationSearchType, cbxTextSearchAnnotation.Text, cbxCaseSensitiveAnnoText.Checked, unitPrefix);
-					//UpdateAnnotationSearchResults();
 					cmbResultsStyleIndex = 2;  // display annotation text in results
 											   // C2019-001: Search in RNO steps only
 					if (cbxRnoOnlyAnnot.Checked) GetInRNOResults();
@@ -2153,9 +2074,7 @@ namespace Volian.Controls.Library
 				else if (tabSearchTypes.SelectedTab == tabSearchTypes.Tabs[2]) // RO Search
 				{
 					SearchString = null;
-					//ReportTitle = "Proms - Referenced Object Search";
 					ReportTitle = string.Format("Search For Referenced Object:\n{0}", cmboTreeROs.Text);
-					//TypesSelected = "Searched Step Types: " + ((typstr != null) ? typstr : "All Step Types");
 
 					if (cbxFndUnLnkROVals.Enabled && cbxFndUnLnkROVals.Checked)
 					{
@@ -2175,22 +2094,37 @@ namespace Volian.Controls.Library
 				{
 					ReportTitle = string.Format("Search For Transitions: Transition Type: {0}, Transition Category: {1}", cbxTranFormat.SelectedItem, cbxTranCategory.SelectedItem);
 					string docVersionList = string.Empty;
+					bool bypassSearch = false;
 					if (lstCheckedDocVersions.Count == 0)
 						docVersionList = cbxTranVersion.Tag.ToString();
 					else
 					{
-						string sep = string.Empty;
+                        //B2026-055 – Transition Search Improvements
-						foreach (DocVersionInfo dvi in lstCheckedDocVersions)
+                        //Changed matching to take Filtered Formats into account if both tree
+						//Items selected and Format dropdown filtered
+                        if (string.IsNullOrEmpty(cbxTranVersion.Tag?.ToString()))
 						{
-							docVersionList += sep + dvi.VersionID.ToString();
+                            docVersionList = string.Join(",", lstCheckedDocVersions.Select(y => y.VersionID.ToString()));
-							sep = ",";
+                        }
+						else
+						{ 
+							var fromatversionslst = cbxTranVersion.Tag.ToString().Split(',').Select(int.Parse);
+							var selectedversionlst = lstCheckedDocVersions.Select(y => y.VersionID);
+							docVersionList = string.Join(",", fromatversionslst.Intersect(selectedversionlst));
+
+                            if (string.IsNullOrEmpty(docVersionList))
+                            {
+                                bypassSearch = true;
+                                FlexibleMessageBox.Show("No Matches Found.", "Search");
+                            }
                         }
                     }
 					// B2018-134 to search specifically for Outside Transitions, set docVeronList to empty string so that all procedure sets are considered
-					if (cbxTranCategory.SelectedItem.ToString() == "Outside")
+					if (cbxTranCategory.SelectedItem?.ToString() == "Outside")
 						docVersionList = string.Empty;
 					// added TypeSearchList for bug fix B2015-055
-					SearchResults = ItemInfoList.GetListFromTransitionSearch(docVersionList, cbxTranFormat.SelectedIndex - 1, cbxTranCategory.SelectedItem.ToString() == "All" ? string.Empty : cbxTranCategory.SelectedItem.ToString(), TypeSearchList);
+					if (cbxTranFormat.SelectedIndex == -1) cbxTranFormatFillIn(docVersionList);
+                    if (!bypassSearch) SearchResults = ItemInfoList.GetListFromTransitionSearch(docVersionList, cbxTranFormat.SelectedIndex - 1, cbxTranCategory.SelectedItem?.ToString() == "All" ? string.Empty : (cbxTranCategory.SelectedItem?.ToString() ?? string.Empty), TypeSearchList);
 					cmbResultsStyleIndex = 3;  // display step text in results
 											   // C2019-001: Search in RNO steps only
 					if (cbxRnoOnlyTrans.Checked) GetInRNOResults();
@@ -2247,16 +2181,13 @@ namespace Volian.Controls.Library
 				string tmpmsg = (cbxBooleanTxtSrch.Checked && ex.Message.Contains("Syntax error") && ex.Message.Contains("full-text search")) ?
 					"Place \"\" around words that you are searching for, so that parser can better understand what you are trying to find" :
 					ex.Message;
-				FlexibleMessageBox.Show(tmpmsg, "Search Error: " + ex.GetType().Name);
+				FlexibleMessageBox.Show(tmpmsg, $"Search Error: {ex.GetType().Name}");
 			}
 			finally
 			{
 				Cursor = savcursor;
 			}
-			//Console.WriteLine("{0} Milliseconds", TimeSpan.FromTicks(DateTime.Now.Ticks - start.Ticks).TotalMilliseconds);
 			OnSearchComplete(new DisplaySearchEventArgs(TimeSpan.FromTicks(DateTime.Now.Ticks - start.Ticks)));
-			//if (VlnSettings.DebugMode)
-			//    MessageBox.Show(string.Format("{0} Milliseconds", TimeSpan.FromTicks(DateTime.Now.Ticks - start.Ticks).TotalMilliseconds));
 		}
 
 		private void ClearResults()     // B2021-103 if no results when RNO only, clear results list.  (moved from btnSearch_Click)
@@ -2317,7 +2248,7 @@ namespace Volian.Controls.Library
 					if (ii.SearchAnnotationText == null) ii.SearchAnnotationText = AnnotationInfo.Get(ii.ItemAnnotations[0].AnnotationID).SearchText;
 				}
 
-				if (ii.SearchAnnotationText == null) ii.SearchAnnotationText = "None - [" + ii.DisplayText + "]";
+				if (ii.SearchAnnotationText == null) ii.SearchAnnotationText = $"None - [{ii.DisplayText}]";
 				else
 				{
 					hasAnnot = true;
@@ -2467,7 +2398,7 @@ namespace Volian.Controls.Library
 			//C2025-005 Find Step Elements
 			//Need to refresh the Doc List and Available Step Types
 			//if All Procedure Sets was selected
-			if (n.Tag == SelectAllProcedureSetsText)
+			if (n.Tag is string txt && txt == SelectAllProcedureSetsText)
 			{
 				if (n.Checked)
 				{
@@ -2518,7 +2449,6 @@ namespace Volian.Controls.Library
 		{
 			if (tn.Checked)
 			{
-				//tn.Style = DevComponents.AdvTree.NodeStyles.Apple;      // sets green background on selected folder(s)
 				//B2023-112:  Don't crash if on top 'All' node (did not have associated folder)
 				FolderInfo fi = tn.Tag as FolderInfo;
 				// if this folder has a docversion, use its id:
@@ -2565,8 +2495,10 @@ namespace Volian.Controls.Library
 			lstCheckedStepTypesStr.Clear();
 			foreach (string str in strs)
 			{
-				Node newnode = new DevComponents.AdvTree.Node();
+                Node newnode = new DevComponents.AdvTree.Node
-				newnode.Text = str;
+                {
+                    Text = str
+                };
                 advTreeStepTypes.Nodes.Add(newnode);
 			}
 			buildStepTypePannelTitle();
@@ -2655,16 +2587,23 @@ namespace Volian.Controls.Library
 		private void cbxTranFormatFillIn(string vid)
 		{
 			vid = vid.IndexOf(",") < 0 ? vid : vid.Substring(0, cbxTranVersion.Tag.ToString().IndexOf(","));
+            //B2026-055 – Transition Search Improvements
+            //Change the order of items happening
+			//previous order was causing an error when clicked downdownlist to
+			//show all items and then didn't select an item in the list
+            cbxTranFormat.Items.Clear();
+            cbxTranFormat.Items.Add("All");
 
+			if (!string.IsNullOrEmpty(vid))
+			{
                 DocVersionInfo dvi = DocVersionInfo.Get(int.Parse(vid));
                 TransTypeList ttl = dvi.ActiveFormat.PlantFormat.FormatData.TransData.TransTypeList;
 
-			cbxTranFormat.Items.Clear();
-			cbxTranFormat.Items.Add("All");
 
                 for (int i = 0; i < ttl.MaxIndex; i++)
                 {
                     cbxTranFormat.Items.Add(new TransItem(ttl[i].TransMenu.Replace("?.", string.Empty), ttl[i].TransFormat.Replace("?.", string.Empty)));
+                }
             }
 
 			cbxTranFormat.SelectedIndex = 0;
@@ -2715,9 +2654,9 @@ namespace Volian.Controls.Library
 
 			if (advTreeStepTypes.Nodes.Count == 1 && n.Checked)
 			{
-				if (n.Tag is DocVersionInfo) // Only set MyDocVersion if it is a DocVersion
+				if (n.Tag is DocVersionInfo info) // Only set MyDocVersion if it is a DocVersion
 				{
-					Mydocversion = (DocVersionInfo)n.Tag;
+					Mydocversion = info;
 					StartAdvTreeStepTypesFillIn();// B2016-258 Hang after selecting a procedure if the Step Type panel is open on the search panel
 				}
 			}
@@ -2742,8 +2681,6 @@ namespace Volian.Controls.Library
 
 			if (n.Checked)
 			{
-				//n.Style = DevComponents.AdvTree.NodeStyles.Apple;		// B2023-112: coloring of proc set tree nodes was not working correctly
-
 				if (sd == null)
 				{
 					//C2023-010: Since the tag is null for Word Sections and HLS types, we need to determine which one has been selected.  Word sections we need
@@ -2872,7 +2809,7 @@ namespace Volian.Controls.Library
 
 				xpStepTypes.TitleStyle.BackColor1.Color = saveXpStepTypeTitleColor;
 			}
-			else //lstCheckedStepTypes.Count > 0
+			else
 			{
 				// show how many selected whether panel is expanded or not
 				xpStepTypes.TitleText = string.Format("{0} Step Element{1} Selected", lstCheckedStepTypes.Count, (lstCheckedStepTypes.Count > 1) ? "s" : string.Empty); // B2018-132 changed second {0} to {1}
@@ -2944,7 +2881,6 @@ namespace Volian.Controls.Library
 		private bool OnlyWordSectTypeSel()
 		{
 			// B2021-100: Enable/disable the RNO Only checkbox & WORD Sections tree node in Step Elements to Search.
-			//	lstCheckedStepTypes[x] = 0 for Word sections:
 			if (lstCheckedStepTypes != null && lstCheckedStepTypes.Count == 1 && lstCheckedStepTypes[0] == 0)
 				return true;
 
@@ -3143,11 +3079,6 @@ namespace Volian.Controls.Library
 				lbSrchResults.DataSource = null;
 				lbSrchResults.Items.Clear();
 				toolTip1.SetToolTip(lbSrchResults, null);
-				string unitPrefix = string.Empty;
-				if (Mydocversion != null)
-					unitPrefix = Mydocversion.DocVersionConfig.Unit_ProcedureNumber;
-				if (unitPrefix.EndsWith("#"))
-					unitPrefix = unitPrefix.Replace("#", string.Empty);
 				Cursor = Cursors.WaitCursor;
 
 				try   // B2021-045: don't crash if xml file cannot be loaded.
@@ -3177,7 +3108,7 @@ namespace Volian.Controls.Library
 							Node tnode = advTreeProcSets.FindNodeByDataKey(folderID);
 							if (tnode != null) tnode.Checked = true;
 						}
-						Mydocversion = tmpdvi == null ? fromLoadFiledvi : tmpdvi;
+						Mydocversion = tmpdvi ?? fromLoadFiledvi;
 					}
 
 					AdvTreeStepTypesFillIn();
@@ -3200,10 +3131,10 @@ namespace Volian.Controls.Library
 						}
 
 						string typstr = null;
-						foreach (string s in lstCheckedStepTypesStr) typstr = typstr == null ? s : typstr + ", " + s;
+						foreach (string s in lstCheckedStepTypesStr) typstr = typstr == null ? s : $"{typstr}, {s}";
-						TypesSelected = "Filtered By:  " + ((typstr != null) ? typstr : "All Step Types");
+						TypesSelected = $"Filtered By:  {typstr ?? "All Step Types"}";
 						ReportTitle = "Step Element Report"; //"Proms - Search by Type: " + typstr;
-						TypesSelected = "Filtered By:  " + typstr;
+						TypesSelected = $"Filtered By:  {typstr}";
 						advTreeStepTypes.RefreshItems();
 						buildStepTypePannelTitle();
 					}
@@ -3296,7 +3227,7 @@ namespace Volian.Controls.Library
 							}
 					}
 				}
-				catch (Exception ex)
+				catch (Exception)
                 {
 					FlexibleMessageBox.Show("An error occurred while reading the xml file.\r\n\r\nThis can happen when the file selected for the Load is not saved\r\n" +
 						"from a PROMS Search or if some of the steps no longer exist.", "Search Load Failed", MessageBoxButtons.OK);
@@ -3476,6 +3407,46 @@ namespace Volian.Controls.Library
 			}
         }
 
+        //B2026-055 – Transition Search Improvements
+        //Update Enabling/Disabling of Tree Elements
+        public bool TraverseTree(DevComponents.AdvTree.Node node, string[] versions)
+        {
+            bool result = true;
+			int numhiddenchildnodes = 0;
+
+            // Recursively call this method for each child node
+            foreach (DevComponents.AdvTree.Node childNode in node.Nodes)
+            {
+                if (!TraverseTree(childNode, versions))
+                {
+                    numhiddenchildnodes++;
+                }
+            }
+
+            // Process the current node (e.g., enable it if it is contained)
+
+            //Select all always shows
+            //also Enable Dummy Nodes by default
+            if (versions == null || (versions.Length == 1 && string.IsNullOrEmpty(versions[0])) || node.Tag == null || (node.Tag is string txt && txt == SelectAllProcedureSetsText))
+			{
+                node.Enabled = true;
+                return true;
+            }
+            //if all child nodes are hidden, hide the parent
+            else if (numhiddenchildnodes == node.Nodes.Count)
+            { 
+				result = false; 
+			}
+
+            FolderInfo fi = (FolderInfo)node.Tag;
+            if (fi.FolderDocVersionCount > 0)
+            {
+                result = versions.Contains(fi.FolderDocVersions[0].VersionID.ToString());
+            }
+
+            node.Enabled = result;
+            return result;
+        }
         private void btnCopySearchResults_Click(object sender, EventArgs e)
 		{
 			ICollection<ItemInfo> myList = lbSrchResults.DataSource as ICollection<ItemInfo>;
@@ -3541,7 +3512,6 @@ namespace Volian.Controls.Library
 		private bool IncTransCvtAllToTextPerm()
 		{
 			if (_SearchResults == null) return false;
-			int cnt = 0;
 			bool allowNonAdmin = IncTranCvtPerm();
 			foreach (ItemInfo ii in _SearchResults)
 			{
@@ -3657,6 +3627,8 @@ namespace Volian.Controls.Library
 				}
 		}
 	}
+#pragma warning restore IDE1006 // Naming Styles
+#pragma warning restore IDE0044 // Add readonly modifier
 
     #endregion