HDN_ITEMCHANGED notification code

Notifies a header control's parent window that the attributes of a header item have changed. This notification code is sent in the form of a WM_NOTIFY message.

HDN_ITEMCHANGED

    pNMHeader = (LPNMHEADER) lParam; 

Parameters

lParam

A pointer to an NMHEADER structure that contains information about the header control, including the attributes that have changed.

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_ITEMCHANGEDW (Unicode) and HDN_ITEMCHANGEDA (ANSI)