Try

FOR EACH oControl IN THISFORM.Controls
	IF oControl.baseclass = 'Textbox'
		WAIT WINDOW oControl.name
	ENDIF
ENDFOR

>How to find out every textbox in the FORM. I try to use FOR EACH, but system prompt me error :
>
>
>FOR EACH oControl IN THISFORM
> IF oControl.baseclass = 'TEXTBOX'
> WAIT WINDOW oControl.name
> ENDIF
>ENDFOR
>
>
>Thanks.