>>How can I prevent form release or unload ?
>>
>>Is a button the only way ?
>>
>>I put the code below release or unload but could not achieve what I wanted
>>
>>Doesn't "return" abort form unload event ?
>>
>>IF thisform.tested = 0
>> = MESSAGEBOX("Not tested yet")
>>RETURN
>> endif
>
>Put your conditional check in the form's queryunload() :

Moises,

>

>IF thisform.ReleaseType = 0  and [ my condition ] && to allow release by x in the right top corner
>    nodefault
>    return .f.
>ENDIF
>