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TVN_BEGINRDRAG

TVN_BEGINRDRAG 
    pnmtv = (LPNMTREEVIEW) lParam 

Notifies a tree view control's parent window about the initiation of a drag-and-drop operation involving the right mouse button. This notification message is sent in the form of a WM_NOTIFY message.

• The return value is ignored.

pnmtv

Address of an NMTREEVIEW structure. The itemNew member is a TVITEM structure that contains valid information in the hItem, state, and lParam members about the item to be dragged. The ptDrag member specifies the current screen coordinates of the mouse.

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