HDN_FILTERBTNCLICK notification code

Notifies the header control's parent window when the filter button is clicked or in response to an HDM_SETITEM message. This notification code sent in the form of a WM_NOTIFY message.

HDN_FILTERBTNCLICK

    pNMHDFilterBtnClk = (LPNMHDFILTERBTNCLICK) lParam;

Parameters

lParam

A pointer to an NMHDFILTERBTNCLICK structure that contains information about the header control and the header filter button.

Return value

If you return TRUE, an HDN_FILTERCHANGE notification code will be sent to the header control's parent window. This notification code gives the parent window an opportunity to synchronize its user interface elements. Return FALSE if you do not want the notification sent.

Requirements

See also

NMHDFILTERBTNCLICK