private void button4_Click(object sender, RoutedEventArgs e)
        {
            PostProcessSettings ownedWindow = new PostProcessSettings(ref _PostProcess, this);

            ownedWindow.Owner = Window.GetWindow(this);
            ownedWindow.ShowDialog();

            if (!_ImageRendering)
            {
                updateRender();
            }
        }
        private void button4_Click(object sender, RoutedEventArgs e)
        {
            PostProcessSettings ownedWindow = new PostProcessSettings(ref _PostProcess, this);

            ownedWindow.Owner = Window.GetWindow(this);
            ownedWindow.ShowDialog();

            if (!_ImageRendering)
            {
                updateRender();
            }
        }