public override void ClosePopup()
{
if (Closing != null)
{
CommandManager.InvalidateRequerySuggested();
bool IsClosingCanceled = false;
var closed = new RibbonMenuCloseingEventArgs(() => IsClosingCanceled = true);
Closing(this, closed);
if (IsClosingCanceled)
return;
}
base.ClosePopup();
}
private void ApplicationMenuOnClosing(object sender,
RibbonMenuCloseingEventArgs ribbonMenuCloseingEventArgs)
{
if (OnButtonClicked)
ribbonMenuCloseingEventArgs.CancelClose = false;
}