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TVN_BEGINRDRAG notification code

  • Artikkeli

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

TVN_BEGINRDRAG 

    pnmtv = (LPNMTREEVIEW) lParam

Parameters

lParam

Pointer to 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.

Return value

The return value is ignored.

Requirements

Requirement Value
Minimum supported client
 Windows Vista [desktop apps only]
Minimum supported server
 Windows Server 2003 [desktop apps only]
Header
Commctrl.h
Unicode and ANSI names
 TVN_BEGINRDRAGW (Unicode) and TVN_BEGINRDRAGA (ANSI)