[ros-bugs] [Bug 1211] Halt whilst trying to move icons on desktop

[ReactOS.Bugzilla at www.reactos.org]

http://www.reactos.org/bugzilla/show_bug.cgi?id=1211





------- Comment #11 from timo.kreuzer at web.de  2007-06-19 18:02 CET -------
I think I found the problem.
If an item is dragged the target is informed by ISVDropTarget_DragEnter
This calls drag_notify_subitem() where the current subitem is searched.
If not dragged over any subitem, pCurrentDropTarget is set to the IDropTarget
interface of the parent ShellFolder.
If it fails (no IDropTarget interface available) the funtion returns with
pCurrentDropTarget == NULL. 
(from wine:     /* If anything failed, pCurDropTarget should be NULL now, which
ought to be a save state. */)
On ISVDropTarget_DragLeave and on ISVDropTarget_Drop, pCurrentDropTarget is
assumed to be pointing to an IDropTarget (This->pCurDropTarget->lpVtbl->Drop())
So it needs to be checked first if(pCurrentDropTarget == NULL)


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