Thanks Christof, I will give it a try.

>Hi Scott,
>
>> I have form A that contains an ActiveX control (LeadTools v9, old, I know)
>
>You could disable the control in the Deactivate event of form A and activate it in the Activate event:
>

>Declare Long GetParent in Win32API Long
>Declare Long EnableWindow in Win32API Long, Long
>
>* Disable
>EnableWindow( GetParent(oleControl.Hwnd), 0 )
>
>* Enable
>EnableWindow( GetParent(oleControl.Hwnd), 1 )
>

>This could prevent it from responding to OLE drag and drop messages.