internal void RaiseOnWindowClosing(object sender, WindowClosingEventArgs e)
{
if ((this.WindowClosing != null))
{
this.WindowClosing(sender, e);
}
}
public virtual void WindowClosing(bool isChildWindow, ref bool cancel)
{
WindowClosingEventArgs windowclosingEvent = new WindowClosingEventArgs(isChildWindow, cancel);
this.parent.RaiseOnWindowClosing(this.parent, windowclosingEvent);
cancel = windowclosingEvent.Cancel;
}