private void Window_Closed(object sender, System.EventArgs e)
 {
     Window.Closed -= Window_Closed;
     _ChromeWidgetMessageInterceptor?.ReleaseHandle();
     _ChromeWidgetMessageInterceptor?.DestroyHandle();
     _ChromeWidgetMessageInterceptor = null;
 }
 private void Window_Closed(object sender, System.EventArgs e)
 {
     _Window.Closed          -= Window_Closed;
     _Window.LocationChanged -= _Window_LocationChanged;
     _Window.StateChanged    -= Window_StateChanged;
     _ChromeWidgetMessageInterceptor?.ReleaseHandle();
     _ChromeWidgetMessageInterceptor?.DestroyHandle();
     _ChromeWidgetMessageInterceptor = null;
 }