>The following bug appears in VFP6 and 7.
>
>Click on an item in a list box and drag up or down with the mouse button still down. This changes the selected item (non-default Windows behaviour).
>
>Worse, if you do the same with the Right mouse button, the InteractiveChange method does not fire. The only method that is fired is ProgrammaticChange.

I tested under VFP 7 and found that InteractiveChange doesn't fire in eather case but When Event fires always.

>Attempting to disable Right clicking with NODEFAULT seems to have no effect. This bug becomes serious when using a list to select a record to edit.

You can use When Event to track selected record in the list.

BTW, the bug report can be submitted at http://support.microsoft.com/Support/vfoxpro/report/report.asp.