Hello ,How I do?
my case
ON ERROR DO errhand WITH ;
ERROR( ), MESSAGE( ), MESSAGE(1), PROGRAM( ), LINENO( )
***command Don't insert disk in drive a:
SET DEFAULT TO a:
* or copy file .......to a:

**********
ON ERROR && restore system error handler
PROCEDURE errhand
PARAMETER merror, mess, mess1, mprog, mlineno
CLEAR
****My code
*Want show my message
=messagebox("No disk in Drive A:"+CHR(13)+;
" Insert disk into drive a:."+CHR(13)+;
" Please,again",16,"Warning")

***end my code
**Now Show ,but I don't like Title message "Vfp.exe - NO disk"
*******************************************************************
* vfp.exe - No disk *
* There is no disk in drive a: Please insert a disk into drive a: *
*******************************************************************
*HELP me...Show my Message only,please.