From: carloshp50 on
On 18 jul, 21:58, PremiumBlend <mnhollin...(a)yahoo.com> wrote:
> Hello,
>
> I'd like to create a message box with a warning icon
> along with the text string "Invalid Syntax" exactly like
> the one you see if you try to ENTER the # character by
> itself.
>

In the next page you can find a program that show a custom grob with
the message box in the center of the display, whit the command
DoMsgBox

The following program displays a personalized message with the command
ROMPTR DoMsgBox.
You can put the grob you want and also any menu.
Figures shows the result.

http://honradoshp.foroactivo.com/system-rpl-f11/mensaje-en-el-centro-de-la-pantalla-con-grob-personalizado-t100.htm#307