private void Button_Preview_Click(object sender, RoutedEventArgs e)
{
if (_previewWindow == null)
{
_previewWindow = new PreviewWindow(this);
_previewWindow.Closed += _previewWindow_Closed;
_previewWindow.Show();
_previewWindow.GeneratePreview();
}
else
{
_previewWindow.GeneratePreview();
}
Button_Generate.IsEnabled = true;
}
private void _previewWindow_Closed(object sender, EventArgs e)
{
_previewWindow = null;
Button_Generate.IsEnabled = false;
}