C2017-031 Extend Copy / Paste Replace Functionality for Enhanced Background Steps

PROMS/Volian.Controls.Library/StepRTB.cs

@@ -485,6 +485,8 @@ namespace Volian.Controls.Library
 		public void RefreshDisplay(bool activeMode)
 		{
 			if (IsExperimenting) return;
+			if (IsDisposed) return;
+
 			ActiveMode = activeMode;
 			OnAdjustTableWidth(this, new StepRTBTableWidthEventArgs(true));
 			//Volian.Base.Library.HWndCounter.GetWindowHandlesForCurrentProcess(this.Handle, "RefreshDisplay 2");