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tree drag rearrange nodes

OK experts I'm starting with this TreeView which has drag & drop capability from this article:


I would like to enhance it so I can rearrange the tree nodes by dragging them. As it is now I can drag a node on top of another node and drop it, and my dragged node becomes a child of the node I dragged it to. I would like to drag a node between other nodes and drop it at the same level.

2ndly, I would like to drag a file from Windows Explorer to the tree and add it to the tree. As it is now it will not accept a dragged item from outside.

If you could point me in the right direction that would be greatly appreciated. There's a lot of documentation to wade through and I'd like to know where to focus my attention.

Also is there a spy utility that will show me all the messages getting sent to the pump? That might help me understand what's going on as I play with it.
C#.NET Programming

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Bob Learned

8/22/2022 - Mon
Bob Learned

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