Thanks for your reply. Is there any code sample you can point me to on how to make API calls to/from a WinFrom from VFP?


>>Hi Ken, The .NET treeview and treenode classes are much easier to use and understand than the mscomctl.ocx Treeview control.
>
>VFP cannot host .NET based controls, not even with some utility. To host those controls, the best solution is going to be hosting the controls in a .NET WinForm. You can still have VFP make API calls to/from that form as needed.