/// <summary>
 /// Event handler for mouse leave
 /// </summary>
 /// <param name="sender"></param>
 /// <param name="e"></param>
 private void OnMouseLeave(object sender, System.Windows.Input.MouseEventArgs e)
 {
     if (ShowsHelp)
     {
         QuickHelpWindow.Dismiss();
     }
 }
 internal void UpdateHelp()
 {
     if (ShowsHelp)
     {
         if (HelpBuilder is IQuickHelpControlBuilder builder)
         {
             QuickHelpWindow.Show(builder);
         }
     }
 }