protected void OnClosingWindow(ClosingWindowEventHandlerArgs args)
{
var handler = this.ClosingWindow;
if (handler != null)
{
handler(this, args);
}
}
private void CloseClick(object sender, RoutedEventArgs e)
{
var closingWindowEventHandlerArgs = new ClosingWindowEventHandlerArgs();
this.OnClosingWindow(closingWindowEventHandlerArgs);
if (closingWindowEventHandlerArgs.Cancelled)
{
return;
}
this.ParentWindow.Close();
}