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