Description
This program demonstrates drag and drop in the simple tree control.
The leaves in the left-hand tree ("test.doc" and "manual.doc") can bothbe dropped onto the "Files" folder in the right-hand tree.
If you press and hold the control key during the opration, the sourcenodes are retained in the left-hand tree (COPY drag and drop),otherwise, they are deleted from the left-hand tree (MOVE drag anddrop).