>OK, this is getting real strange now.
>
>There are 6 Events in the Textbox class (BTW it's a VFX framework) and I have put code in each event to stop it executing the class code.
>
>I've narrowed it down to something occurring in the Valid Event, I have:
>

SET STEP ON
>NODEFAULT

>
>As soon as NODEFAULT has processed - it clears the SelStart property in a flash, no code runs or anything.
>
>This happens in the VFP Base Class AND the VFX Class.
>
>BUT - it only happens when there is a ControlSource specified.
>
>Any ideas?
>Thanks
>Kev
Kev,

I can't reproduce this error with just base classes so what is your RightClick doing?