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>Just adding more comments on this, I´m working with version 5.00.3714 and also couldn´t get CreateDragImage to work. Hope it´s fixed in the newest version of vfp!
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>About the HitTest method, besides being in twips, the coordinates should be related to the treeview borders. That´s ok when you´re using it in MouseDown or MouseMove events. But DragOver, DragDrop, MCOL or MROW give you coordinates related to the Form borders; so there´s more work to do in this case.
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>If you´re needing to implement drag&drop into the treeview, there´s already a class called ndragger which can help with the task. It´s available in the files section.

Sounds like the voice of experience speaking. Thanks again. I'll look at ndragger.