public void ShowDialog(string title, string Message, string screenID)
        {
            ScreenID    = screenID;
            chkDontShow = false;
            CommonMessagingWindowVM.ProcessMiscellaneousMessages(Message, "Alert");

            CustomMessageBox objcustwindow = Application.Current.Windows.OfType <CustomMessageBox>().FirstOrDefault();

            if (objcustwindow != null)
            {
                Title          = title;
                CapitalInfoMsg = Message;
                objcustwindow.Focus();
                objcustwindow.Activate();
                objcustwindow.ShowDialog();
            }
            else
            {
                objcustwindow  = new CustomMessageBox();
                Title          = title;
                CapitalInfoMsg = Message;
                objcustwindow.ShowDialog();
            }
        }