private void PopupOverlayOnClosing(object sender, PopupOverlayClosingEventArgs e)
{
var content = this._popupOverlay.Content as FrameworkElement;
var viewModel = content?.DataContext;
var cancel = CaliburnMicroHelper.TryGuardClose(viewModel);
e.Cancel = cancel;
}
private void FrameOnNavigating(object sender, NavigatingCancelEventArgs e)
{
var view = this._frame.Content as FrameworkElement;
if (view == null)
{
return;
}
bool cancel = CaliburnMicroHelper.TryGuardClose(view.DataContext);
if (cancel)
{
e.Cancel = true;
return;
}
ScreenExtensions.TryDeactivate(view.DataContext, false);
}
