Merge pull request 'B2026-035_fix_RO_Preview_for_X_Y_Plots' (#751) from B2026-035_fix_RO_Preview_for_X_Y_Plots into Development

good for testing

PROMS/ReferencedObjects/Exe/RefObj/ROEditor/ROEditor.cs

@@ -2844,7 +2844,8 @@ namespace ROEditor
 			}
 			else
 			{
-				newt=null;
+				mnutitle = Regex.Replace(mnutitle, @"\\u([0-9]{1,4})\?", m => Convert.ToChar(int.Parse(m.Groups[1].Value)).ToString()); // RO Editor add symbols C2022
+				newt =null;
 				success = myrodb.RODB_WriteRO((VlnXmlElement)roTreeView.SelectedNode.Tag);
 				if (success==true && mnutitle != "") roTreeView.SelectedNode.Text = mnutitle; //B2021-077 make sure mnutitle has text or it will clear the node's title in the tree
 			}

PROMS/XYPlots/frmXYPlot.cs

@@ -2,13 +2,14 @@ using System;
 using System.Collections.Generic;
 using System.ComponentModel;
 using System.Data;
-using System.Drawing;
-using System.Drawing.Printing;
-using System.Drawing.Imaging;
-using System.Text;
-using System.Windows.Forms;
 using System.Diagnostics;
+using System.Drawing;
+using System.Drawing.Imaging;
+using System.Drawing.Printing;
 using System.IO;
+using System.Text;
+using System.Text.RegularExpressions;
+using System.Windows.Forms;
 using VG;
 //using XYPlots;
 
@@ -21,6 +22,10 @@ namespace XYPlots
 		public frmXYPlot(string title,string xyPlot)
 		{
 			InitializeComponent();
+
+			title = Regex.Replace(title, @"\\u([0-9]{1,4})\?", m => int.TryParse(m?.Groups[1]?.Value, out int result) ? Convert.ToChar(result).ToString() : ""); // C2022-003 RO Symbols. Convert unicode to character.
+			xyPlot = Regex.Replace(xyPlot, @"\\u([0-9]{1,4})\?", m => int.TryParse(m?.Groups[1]?.Value, out int result) ? Convert.ToChar(result).ToString() : ""); // C2022-003 RO Symbols. Convert unicode to character.
+
 			int pstart = xyPlot.IndexOf("<<G"); //  find the starting Plot Command
 			xyPlot = xyPlot.Substring(pstart); // set val to the start of the plot commands
 			_XYPlot =xyPlot;