void Confirm_Closed(object sender, EventArgs e)
        {
            ConfirmWindow confirmWindow = sender as ConfirmWindow;

            if (confirmWindow.DialogResult == true)
            {
                IsBusy = true;
                systemManageDomainContext.SubmitChanges();
            }
            else
            {
                systemManageDomainContext.RejectChanges();
            }
        }