>>Distribution Note The TreeView control is a 32-bit custom control that can only run on Windows 95 or Windows NT 3.51 or higher. The TreeView control is part of a group of custom controls that are found in the COMCTL32.OCX file. To use the TreeView control in your application, you must add the COMCTL32.OCX file to the project. When distributing your application, install the COMCTL32.OCX file in the user's Microsoft Windows SYSTEM directory.
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>This is VB related. I don't think we need that in Visual FoxPro. We only have to make sure to tell the setup to put this file in the system directory as an ActiveX file. I will try that and keep you inform.

Well, with new Visual Fox BASIC there probably will be no difference at all... :)