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; }