>>>Hi all,
>>>
>>>Does anyone knows how to prevent checkboxes from being checked when RETURN key is press? If possible , checking can only be done on mouse click or spacebar... Thanks.
>>
>>put this code in the KeyPress event of the check box
>>
>>

if lastkey()=13
>>   this.value=iif(this.value=1,0,1)
>>endif

>
>after testing a little further, if the user presses Shift+Enter, the value of the check box changes even though the value of LastKey() is still 13. Also focus remains on the check box. I am doing this in VFP 3.0b. This must be an undocumented feature.

Last response: works regardless when you put the code in LostFocus method.