B2021-094 - Fixed shortcut keystroke usage for the GoTo button <Shift><Ctrl><G> when used multiple times

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

@@ -504,7 +504,6 @@ namespace ROEditor
 			// if a specific RO was passed in. Load the xml tree from it to the root & then
 			// edit it through the ctlXmledit.
 			// from the input tbl string, get a table name.
-
 			ArrayList levelRecids = new ArrayList();
 			int itbl = System.Convert.ToInt32(specificro.Substring(0,4),16);
 			string stbl = System.Convert.ToString(itbl,10);
@@ -594,7 +593,6 @@ namespace ROEditor
 				return;
 			}
 			roTreeView.SelectedNode = trnd;
-
 		}
 
 		protected void roTreeView_AfterSelect (object sender, 
@@ -676,12 +674,14 @@ namespace ROEditor
 				//if Ctrl/Shift Key is held down
 				if (ROsSelectedforMultiMove == null)
 					ROsSelectedforMultiMove = new List<TreeNode>();
-
-				if ((Control.ModifierKeys & Keys.Shift) != 0)
+				// B2021-094 added check that Control and Alt keys were not pressed with shift key
+				//           if user does the <Ctrl><Shift><G> keystroke (Goto selected RO from step editor)
+				//           but only lifts up on the G key, it was dropping down into this code below
+				//           and getting a null reference error upon initial entry in to the RO Editor
+				if ((Control.ModifierKeys & Keys.Shift) != 0 && (Control.ModifierKeys & Keys.Control) == 0 && (Control.ModifierKeys & Keys.Alt) == 0)
 				{
 					//if shift is held down, clear existing nodes then add the range of nodes
 					roTreeView_ClearAllMultiSelect();
-
 					if (PreviousNode.Index < CurrentNode.Index)
 					{
 						//Traverse Down