Don't Change Selection if the mouse is down.

Don't hide the grid tools for RO Tables
Disable individual methods for RO Tables on the Grid Tool Ribbon and Context Menu (Copy, Paste, Insert, Remove)
Don;t allow edit mode if IsRoTable.

PROMS/Volian.Controls.Library/StepRTB.cs

@@ -834,6 +834,7 @@ namespace Volian.Controls.Library
 				OnSetMenu(this, new StepRTBMenuEventArgs(inPsi?"PSI":"OpenContextMenu"));
 			_ContextMenuStripChanged = false;
 			CorrectSelectionAtEndOfLine();
+			_MouseDown = true;
 		}
 		void StepRTB_MouseUp(object sender, MouseEventArgs e)
 		{
@@ -1512,6 +1513,7 @@ namespace Volian.Controls.Library
 		}
 		private void HandleSelectionChange()
 		{
+			if (_MouseDown) return;
 			if (_HandlingCtrlA) return;
 			if (!_HandlingCtrlA && this.TextLength == this.SelectionLength && this.SelectedRtf.EndsWith("\\par\r\n}\r\n"))
 			{