protected override void OnSourceInitialized(EventArgs e) { base.OnSourceInitialized(e); var hwnd = new WindowInteropHelper(this).Handle; WindowsServices.SetWindowExTransparent(hwnd); }
private void MenuItem_Click(object sender, RoutedEventArgs e) { base.OnSourceInitialized(e); var hwnd = new WindowInteropHelper(this).Handle; WindowsServices.SetWindowExTransparent(hwnd); }