CView::OnDragLeave
Called by the framework during a drag operation when the mouse is moved out of the valid drop area for that window.
virtual void OnDragLeave( );
Remarks
Override this function if the current view needs to clean up any actions taken during OnDragEnter or OnDragOver calls, such as removing any visual user feedback while the object was dragged and dropped.
Requirements
Header: afxwin.h