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HDN_ITEMDBLCLICK notification code

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Notifies a header control's parent window that the user double-clicked the control. This notification code is sent in the form of a WM_NOTIFY message. Only header controls that are set to the HDS_BUTTONS style send this notification code.

HDN_ITEMDBLCLICK

    pNMHeader = (LPNMHEADER) lParam;

Parameters

lParam

A pointer to an NMHEADER structure that contains information about this notification code.

Return value

No return value.

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
 HDN_ITEMDBLCLICKW (Unicode) and HDN_ITEMDBLCLICKA (ANSI)