From BinEvent() help: "You cannot bind to an event with parameters that are passed by reference".
Check also http://blogs.msdn.com/calvin_hsia/archive/2006/03/03/543083.aspx

>ListView ActiveX control AfterLabelEdit event does not fire when bound to a method of Container class
>

>= BINDEVENT(THIS.lst, "AfterLabelEdit", THIS, "onlist_afterlabeledit")
>* returns 1; tried with all possible flags
>* the delegate has identical parameters with the source event
>

>
>No troubles with binding ListView events ColumnClick, DblClick, ItemClick, MouseDown and MouseUp.
>
>MSComctlLib.ListViewCtl.2 (version 6.0)
>VFP8
>
>What could be possibly wrong?