protected override void Invoke(object parameter)
{
if (this.AssociatedObject == null)
{
return;
}
var viewmodel = this.AssociatedObject.DataContext as DemoBrowserViewModel;
if (viewmodel == null)
{
return;
}
if ((viewmodel.SelectedProduct != null && viewmodel.SelectedProduct.DemoLauchMode == DemoLauchMode.Window) ||
(viewmodel.SelectedSample != null && viewmodel.SelectedSample.DemoLauchMode == DemoLauchMode.Window))
{
try
{
if (viewmodel.SelectedSample.ShowBusyIndicator)
{
viewmodel.IsProductDemoBusy = true;
}
var window = DemoLaucherExtension.LauchDemo <Window>(viewmodel, viewmodel.SelectedSample);
DemosNavigationService.MainWindow.Dispatcher.BeginInvoke(new Action(() =>
{
viewmodel.IsProductDemoBusy = false;
}),
System.Windows.Threading.DispatcherPriority.ApplicationIdle);
if (window != null)
{
window.Title = viewmodel.SelectedSample.Title;
window.Owner = DemosNavigationService.MainWindow;
window.WindowStartupLocation = WindowStartupLocation.CenterScreen;
window.Closed += Window_Closed;
window.ShowDialog();
}
}
catch (Exception exception)
{
viewmodel.IsProductDemoBusy = false;
ErrorWindow.Show(exception.Message + "\n" + exception.StackTrace);
}
}
}
/// <summary>
/// Occurs when the selection of show case demos
/// </summary>
private void ShowcaseList_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
ListView listView = sender as ListView;
if (listView != null && listView.SelectedItem is DemoInfo && sampleBrowserViewModel != null)
{
try
{
DemoInfo demo = listView.SelectedItem as DemoInfo;
if (demo.ShowBusyIndicator)
{
sampleBrowserViewModel.IsShowCaseDemoBusy = true;
}
var window = Activator.CreateInstance(demo.DemoViewType) as Window;
AssociatedObject.ShowcaseList.SelectedItem = null;
DemosNavigationService.MainWindow.Dispatcher.BeginInvoke(new Action(() =>
{
sampleBrowserViewModel.IsShowCaseDemoBusy = false;
}),
System.Windows.Threading.DispatcherPriority.ApplicationIdle);
if (window != null)
{
window.Owner = DemosNavigationService.MainWindow;
window.WindowStartupLocation = WindowStartupLocation.CenterScreen;
window.Closed += Window_Closed;
window.ShowDialog();
}
}
catch (Exception exception)
{
sampleBrowserViewModel.IsShowCaseDemoBusy = false;
ErrorWindow.Show(exception.Message + "\n" + exception.StackTrace);
}
}
}