Drag and Drop between Treeviews

[Sam]

Hi there,
I have a problem with dragging and dropping a node from one tree to another.
I can drag and drop a node in T1 but not from T2 to T1. I have AllowDrop of
T1 = true but for T2 = false since I want to allow dropping to T1 only.
What happens is that when I drag a node in T1 over nodes in T1, this works
fine and the sign of the drag is there, and I can drop it fine. On the other
hand, when I drag a node from T2 into T1, the sign looks as if the AllowDrop
property = false although I set it to true, and I cannot drop it into T1.
If you know why is this happening, please respond to this message. Thanks
for your help and time.
Sam