private double getDesiredTopPosition()
 {
     if (Settings.Instance.TaskbarPosition == 1)
     {
         // set to bottom of this display's menu bar
         return((Screen.Bounds.Y / dpiScale) + AppBarHelper.GetAppBarEdgeWindowsHeight(appBarEdge, Screen));
     }
     else
     {
         // set to bottom of workspace
         return((Screen.Bounds.Bottom / dpiScale) - Height - AppBarHelper.GetAppBarEdgeWindowsHeight(appBarEdge, Screen));
     }
 }