drag drop event for visio

[joules]

I have a treeview control and a visio control in my application.I need to create a drag drop effect such that when i click my mouse and drag a node from the tree view control nd release the mouse when its somewhere over the drawing control i want a specific shape to be dropped.But as the visio control doesnt have any drag drop event associated with it how do i go about doing this?

[Lars-Erik]

Maybe this will help
Or maybe this has some info ( didn't look true all the code of this one though so I'm not sure )