setfocus not working when an excutable is running

[suha]

while using setfocus when a command is click it responds and return controls to the setfocus field but when running excutable file it keeps on giving me this message
"cannot call setfocus from within a when,valid,rangehigh or rangelow event

 

[ChrisRChamberlain]

suha

If you want to SetFocus back on the Control, in the .Valid() event put:-

IF EMPTY(THIS.Value)
[tab]MESSAGEBOX([.......
[tab]RETURN .F. && or 0
ENDIF

Chris