ICONTRST.H

//==========================================================================; 
// 
//  THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY 
//  KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE 
//  IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR 
//  PURPOSE. 
// 
//  Copyright (c) 1992 - 1997  Microsoft Corporation.  All Rights Reserved. 
// 
//--------------------------------------------------------------------------; 
 
// A custom interface to allow the user to adjust the contrast level. 
 
#ifndef __ICONTRAST__ 
#define __ICONTRAST__ 
 
#ifdef __cplusplus 
extern "C" { 
#endif 
 
    // {fd5010a2-8ebe-11ce-8183-00aa00577da1} 
    DEFINE_GUID(IID_IContrast, 
    0xfd5010a2, 0x8ebe, 0x11ce, 0x81, 0x83, 0x00, 0xaa, 0x00, 0x57, 0x7d, 0xa1); 
 
    DECLARE_INTERFACE_(IContrast, IUnknown) 
    { 
        STDMETHOD(get_ContrastLevel) (THIS_ 
            signed char *ContrastLevel      // The current contrast level 
        ) PURE; 
 
        STDMETHOD(put_ContrastLevel) (THIS_ 
            signed char ContrastLevel,      // Change to the contrast level 
            unsigned long ChangeTime        // Time from now to do the change 
        ) PURE; 
 
        STDMETHOD(put_DefaultContrastLevel) (THIS) PURE; 
    }; 
 
#ifdef __cplusplus 
} 
#endif 
 
#endif // __ICONTRAST__