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HDN_ITEMSTATEICONCLICK message

  • Article

Notifies a header control's parent window that the user clicked an item's state icon. This notification code is sent in the form of a WM_NOTIFY message.

HDN_ITEMSTATEICONCLICK

   pNMHeader = (LPNMHEADER) lParam;

Parameters

lParam

A pointer to an NMHEADER structure that contains additional information about the state icon that was clicked on.

Return value

No return value.

Requirements

Requirement Value
Minimum supported client
 Windows Vista [desktop apps only]
Minimum supported server
 Windows Server 2008 [desktop apps only]
Header
Commctrl.h