static internal AlertModalWindow GetModalWindow(System.Windows.Controls.UserControl ctrl)
        {
            AlertModalWindow wnd = GetModalWindow();

            wnd.SetContent(ctrl);
            return(wnd);
        }
        static internal AlertModalWindow GetModalWindow()
        {
            AlertModalWindow wnd = new AlertModalWindow();

            wnd.Closing += new System.ComponentModel.CancelEventHandler(wnd_Closing);
            AddWndToNonHide(wnd);
            return(wnd);
        }