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4/8/2010

This message notifies a header control parent window the user is dragging a divider in the header control. It is sent in the form of a WM_NOTIFYmessage.

Syntax 

HDN_TRACK 
phdr = (HD_NOTIFY FAR *) 
lParam;

Parameters

phdr

Pointer to an NMHEADERstructure that contains data about the header control and the item whose divider is dragged.

Return Value

TRUE ends tracking. FALSE continues tracking.

Requirements

Header commctrl.h
Windows Embedded CE Windows CE 1.0 and later
Windows Mobile Windows Mobile Version 5.0 and later

See Also