Yes you are right. I don't know where it is documented but 1024.

>Yes, the limit is 1024 characters.
>
>>There isn't such a limit.
>>
>>>There were some implementations allowing longer texts, but then of course had a different GUI -
>>>IIRC Steve Black of Foxpro Wiki and other fame put one out into Open Source, which we used with a table based translation. Texts were entered into a table - but uncertain if that was included in Steves sources or homegrown.
>>>
>>>
>>>>I use MESSAGEBOX() to show message on the screen but it's limited to 255 characters.
>>>>
>>>>is there any way which can show more characters?
>>>>
>>>>Thanks in advance
>>>>
>>>>Jerry Yang