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GetClassLong
The GetClassLong function retrieves the specified 32-bit (long) value from the WNDCLASS structure associated with the specified window.
DWORD GetClassLong( HWND hWnd, // handle of window int nIndex // offset of value to retrieve ); Return Values If the function succeeds, the return value is the requested 32-bit value. If the function fails, the return value is zero. To get extended error information, call GetLastError. Remarks Reserve extra class memory by specifying a nonzero value in the cbClsExtra member of the WNDCLASS structure used with the RegisterClass function. See Also GetClassWord, GetWindowLong, GetWindowWord, RegisterClass, SetClassLong, SetClassWord, WNDCLASS |
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Software INDEX:List of Terms: Terms beginning with "A", Page 1 |
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