Hi Sergey,

>>
In VFP7 it's also 1426 'Member not found'. Looks like a bug to me considering that 'This would introduce a cycle' is trapable error according to http://msdn.microsoft.com/library/default.asp?url=/library/en-us/cmctl198/html/msgwindows95controlserrors.asp.
<<

Interesting that this has been the case in 7.0 (This particular app skipped 7.0). Since the Treeview control is obviously raising the same error in both cases it would seem to imply that VFP7 onwards has potentially different error behaviours with *all* OLE controls which is a bit worrying....

Regards,
Viv