66 lines
1.5 KiB
C
66 lines
1.5 KiB
C
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/*==========================================================================
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*
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* Copyright (C) 1999 Microsoft Corporation. All Rights Reserved.
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*
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* File: timer.h
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* Content: Timer class - lifted from MSDN
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*
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* History:
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* Date By Reason
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* ==== == ======
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* 07/16/99 rodtoll Created
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* 01/14/2000 rodtoll Updated to use DWORD_PTR to allow proper 64-bit operation
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* 01/08/2001 rodtoll WINBUG #271079 - Pointer being sliced by cast through a DWORD
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*
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***************************************************************************/
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//
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// Timer.h
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//
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// This file is from the MSDN, Visual Studuio 6.0 Edition
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//
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// Article:
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// Streaming Wave Files With DirectSound
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//
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// Author:
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// Mark McCulley, Microsoft Corporation
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//
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#ifndef _INC_TIMER
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#define _INC_TIMER
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// Constants
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#ifndef SUCCESS
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#define SUCCESS TRUE // Error returns for all member functions
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#define FAILURE FALSE
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#endif // SUCCESS
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typedef BOOL (*TIMERCALLBACK)(DWORD_PTR);
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// Classes
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// Timer
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//
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// Wrapper class for Windows multimedia timer services. Provides
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// both periodic and one-shot events. User must supply callback
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// for periodic events.
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//
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class Timer
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{
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public:
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Timer (void);
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~Timer (void);
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BOOL Create (UINT nPeriod, UINT nRes, DWORD_PTR dwUser, TIMERCALLBACK pfnCallback);
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protected:
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static void CALLBACK TimeProc(UINT uID, UINT uMsg, DWORD_PTR dwUser, DWORD_PTR dw1, DWORD_PTR dw2);
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TIMERCALLBACK m_pfnCallback;
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DWORD_PTR m_dwUser;
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UINT m_nPeriod;
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UINT m_nRes;
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UINT m_nIDTimer;
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};
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#endif // _INC_TIMER
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