protected override void OnActivated(EventArgs e)
 {
     DScanLocatorCtrl.Activate();
 }
 protected override void OnClosing(CancelEventArgs e)
 {
     Properties.Settings.Default.DScanLocatorSize     = new Size((int)Width, (int)Height);
     Properties.Settings.Default.DScanLocatorPosition = new Point((int)Left, (int)Top);
     DScanLocatorCtrl.Dispose();
 }