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HDN_DIVIDERDBLCLICK notification code

  • Article

Notifies a header control's parent window that the user double-clicked the divider area of the control. This notification code is sent in the form of a WM_NOTIFY message.

HDN_DIVIDERDBLCLICK

    pNMHeader = (LPNMHEADER) lParam;

Parameters

lParam

A pointer to an NMHEADER structure that contains information about the header control and the item whose divider was double-clicked.

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_DIVIDERDBLCLICKW (Unicode) and HDN_DIVIDERDBLCLICKA (ANSI)