Chang,

Perhaps you might want to try WEXIST(cWindowName) and its related commands WVISIBLE(), WONTOP()

Kenneth.


>Anyone know how to prevent to display the same called form when issue a do form comment ?
>example, when i click a button to do a form, the form will diplay. and if i click again the button it will display the same form again that mean i have issue two same form already.I only want it to display one time even though the user click how many time on the button.
>How to prevent that ?
>
>regard,
>chang