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 WM_NCHITTEST

Sent by a control when the control receives a WM_NCHITTEST message. This notification message is sent in the form of a WM_NOTIFY message.

    NM_NCHITTEST
        lpnmmouse = (LPNMMOUSE) lParam;

Parameters

• lpnmmouse
  Address of a NMMOUSE structure that contains information about the notification. The pt member contains the mouse coordinates of the hit test message.

Return Values

Unless otherwise specified, return zero to allow the control to perform default processing of the hit test message, or return one of the HT* values documented under WM_NCHITTEST to override the default hit test processing.

Requirements

  Version 4.71 and later of Comctl32.dll

  Windows NT/2000: Requires Windows 2000 (or Windows NT 4.0 with Internet Explorer 4.0 or later). 
  Windows 95/98/Me: Requires Windows 98 (or Windows 95 with Internet Explorer 4.0 or later). 
  Header: Declared in commctrl.h.

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Notebook exported on Monday, 7 July 2008, 18:56:50 PM Eastern Daylight Time