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4/8/2010

This message is sent to the owner of a header control when the control needs data about a callback header item. It is sent as a WM_NOTIFYmessage.

Syntax 

HDN_GETDISPINFO 
pDispInfo = (LPNMHDDISPINFO) 
lParam;

Parameters

pDispInfo

Pointer to an NMHDDISPINFOstructure. On input, the members of the structure specify what data is required and the item of interest.

Remarks

Fill the appropriate members of the structure to return the requested data to the header control. If your message handler sets the maskmember of the NMHDDISPINFOstructure to HDI_DI_SETITEM, the header control stores the data and will not request it again.

Requirements

Header commctrl.h
Windows Embedded CE Windows CE 2.0 and later
Windows Mobile Windows Mobile Version 5.0 and later

See Also