private static void IsOpenPropertyChangedCallback(DependencyObject dependencyObject, DependencyPropertyChangedEventArgs dependencyPropertyChangedEventArgs)
{
var dialogHost = (DialogHost)dependencyObject;
if (dialogHost._popupContentControl != null)
{
ValidationEditor.SetSuppress(dialogHost._popupContentControl, !dialogHost.IsOpen);
}
VisualStateManager.GoToState(dialogHost, dialogHost.SelectState(), !TransitionEditor.GetDisableTransitions(dialogHost));
if (dialogHost.IsOpen)
{
WatchWindowActivation(dialogHost);
}
else
{
dialogHost._asyncShowWaitHandle.Set();
dialogHost._attachedDialogClosingEventHandler = null;
dialogHost._session.IsEnded = true;
dialogHost._session = null;
dialogHost._closeCleanUp();
return;
}
dialogHost._asyncShowWaitHandle.Reset();
dialogHost._session = new DialogSession(dialogHost);
var dialogOpenedEventArgs = new DialogOpenedEventArgs(dialogHost._session, DialogOpenedEvent);
dialogHost.OnDialogOpened(dialogOpenedEventArgs);
dialogHost._attachedDialogOpenedEventHandler?.Invoke(dialogHost, dialogOpenedEventArgs);
dialogHost.DialogOpenedCallback?.Invoke(dialogHost, dialogOpenedEventArgs);
dialogHost._asyncShowOpenedEventHandler?.Invoke(dialogHost, dialogOpenedEventArgs);
dialogHost.Dispatcher.BeginInvoke(DispatcherPriority.Background, new Action(() =>
{
var child = dialogHost.FocusPopup();
Task.Delay(300).ContinueWith(t => child.Dispatcher.BeginInvoke(new Action(() => child.InvalidateVisual())));
}));
}
protected void OnDialogOpened(DialogOpenedEventArgs eventArgs)
{
RaiseEvent(eventArgs);
}
