The LVN_BEGINDRAG notification message notifies a list view control's parent window that a drag-and-drop operation involving the left mouse button is being initiated. This notification message is sent in the form of a WM_NOTIFY message.
LVN_BEGINDRAG
pnmv = (NM_LISTVIEW FAR *) lParam;
Parameters
pnmv
Pointer to an NM_LISTVIEW structure. The iItem member identifies the item being dragged, and the other members are zero.
Return Values
No return value.
See Also