X-Hacker.org- Win 2 API - <b>setclasslong</b> set long value into window structure

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SetClassLong         Set Long Value Into Window Structure

LONG SetClassLong(hWnd, nIndex, lNewLong)
HWND hWnd;
int nIndex;
LONG lNewLong;

                   nIndex
        |-------------------------------------------|
        |GCL_MENUNAME   LPSTR to menu name or       |
        |GCL_WNDPROC    FARPROC to Window function  |
        |Offset         Of cbClsExtra bytes         |
        +-------------------------------------------+

Returns:    Previous long from Windows structure

See Also: GetClassWord

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