The IDropSourceNotify interface is implemented on an IDropSource object to receive notifications from OLE when a user drags the mouse into or out of a potential drop target window.
The IDropSourceNotify interface has these methods.
|IDropSourceNotify::DragEnterTarget||OLE calls this method when the user drags the mouse cursor into a potential drop target window.|
|IDropSourceNotify::DragLeaveTarget||OLE calls this method when the user drags the mouse cursor out of a potential drop target window.|
|Minimum supported client||Windows Vista [desktop apps only]|
|Minimum supported server||Windows Server 2008 [desktop apps only]|