>>From the Help for AUTOYIELD = .F.:
>>"All pending Windows events are placed in a queue, and the events in the queue are processed when DOEVENTS is issued or a wait state occurs."
>
>But, in my case, I don't want to processed those events.

Yes, you do. If the mouse message is processed when DOEVENT is issued, then your control is still disabled, so it will just "consume" the message from the message queue (hopefully :)).

Vlad