I don't know if this is your problem but make sure that _VFP.AutoYield = .f.

This keeps COM events from firing except during wait states. For VFP6 the default for AutoYield is .f. but in VFP5 it was .t.

HTH,
Todd

>Hi All,
>
>The code in the MouseMove event is often executing and sometimes other events are fired when MouseMove event is not done executing the code.
>
>Any input is appreciated.
>
>Thanks
>
>Doron