>Fabio,
>Thanks for this info. I didn't know it:) Cool tip.
>Cetin

Hi Cetin, i prefer a more explicit

=OBJSETPROP(obj,cProp[,eExpression]) && with a default NULL
* return old value ( good for implement a mutex or a semaphore )
* fire a error if cProp don't exist

but we don't ask too much :)