Could you tell me if this is the same file, and will it work with the latest DirectX SDK!? If not, which DirectX SDK version did you used to recompile the DLL?

Code:

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//-----------------------------------------------------------------------------
// File: DXUtil.h
//
// Desc: Helper functions and typing shortcuts for DirectX programming.
//
// Copyright (c) 1997-2000 Microsoft Corporation. All rights reserved
//-----------------------------------------------------------------------------
#ifndef DXUTIL_H
#define DXUTIL_H


//-----------------------------------------------------------------------------
// Miscellaneous helper functions
//-----------------------------------------------------------------------------
#define SAFE_DELETE(p)       { if(p) { delete (p);     (p)=NULL; } }
#define SAFE_DELETE_ARRAY(p) { if(p) { delete[] (p);   (p)=NULL; } }
#define SAFE_RELEASE(p)      { if(p) { (p)->Release(); (p)=NULL; } }


//-----------------------------------------------------------------------------
// Name: DXUtil_GetDXSDKMediaPath() and DXUtil_FindMediaFile() 
// Desc: Returns the DirectX SDK path, as stored in the system registry
//       during the SDK install.
//-----------------------------------------------------------------------------
const TCHAR* DXUtil_GetDXSDKMediaPath();
HRESULT      DXUtil_FindMediaFile( TCHAR* strPath, TCHAR* strFilename );


//-----------------------------------------------------------------------------
// Name: DXUtil_Read*RegKey() and DXUtil_Write*RegKey()
// Desc: Helper functions to read/write a string registry key 
//-----------------------------------------------------------------------------
HRESULT DXUtil_WriteStringRegKey( HKEY hKey, TCHAR* strRegName, TCHAR* strValue );
HRESULT DXUtil_WriteIntRegKey( HKEY hKey, TCHAR* strRegName, DWORD dwValue );
HRESULT DXUtil_WriteGuidRegKey( HKEY hKey, TCHAR* strRegName, GUID guidValue );
HRESULT DXUtil_WriteBoolRegKey( HKEY hKey, TCHAR* strRegName, BOOL bValue );

HRESULT DXUtil_ReadStringRegKey( HKEY hKey, TCHAR* strRegName, TCHAR* strValue, DWORD dwLength, TCHAR* strDefault );
HRESULT DXUtil_ReadIntRegKey( HKEY hKey, TCHAR* strRegName, DWORD* pdwValue, DWORD dwDefault );
HRESULT DXUtil_ReadGuidRegKey( HKEY hKey, TCHAR* strRegName, GUID* pGuidValue, GUID& guidDefault );
HRESULT DXUtil_ReadBoolRegKey( HKEY hKey, TCHAR* strRegName, BOOL* pbValue, BOOL bDefault );


//-----------------------------------------------------------------------------
// Name: DXUtil_Timer()
// Desc: Performs timer opertations. Use the following commands:
//          TIMER_RESET           - to reset the timer
//          TIMER_START           - to start the timer
//          TIMER_STOP            - to stop (or pause) the timer
//          TIMER_ADVANCE         - to advance the timer by 0.1 seconds
//          TIMER_GETABSOLUTETIME - to get the absolute system time
//          TIMER_GETAPPTIME      - to get the current time
//          TIMER_GETELAPSEDTIME  - to get the time that elapsed between 
//                                  TIMER_GETELAPSEDTIME calls
//-----------------------------------------------------------------------------
enum TIMER_COMMAND { TIMER_RESET, TIMER_START, TIMER_STOP, TIMER_ADVANCE,
                     TIMER_GETABSOLUTETIME, TIMER_GETAPPTIME, TIMER_GETELAPSEDTIME };
FLOAT __stdcall DXUtil_Timer( TIMER_COMMAND command );


//-----------------------------------------------------------------------------
// UNICODE support for converting between CHAR, TCHAR, and WCHAR strings
//-----------------------------------------------------------------------------
VOID DXUtil_ConvertAnsiStringToWide( WCHAR* wstrDestination, const CHAR* strSource, int cchDestChar = -1 );
VOID DXUtil_ConvertWideStringToAnsi( CHAR* strDestination, const WCHAR* wstrSource, int cchDestChar = -1 );
VOID DXUtil_ConvertGenericStringToAnsi( CHAR* strDestination, const TCHAR* tstrSource, int cchDestChar = -1 );
VOID DXUtil_ConvertGenericStringToWide( WCHAR* wstrDestination, const TCHAR* tstrSource, int cchDestChar = -1 );
VOID DXUtil_ConvertAnsiStringToGeneric( TCHAR* tstrDestination, const CHAR* strSource, int cchDestChar = -1 );
VOID DXUtil_ConvertWideStringToGeneric( TCHAR* tstrDestination, const WCHAR* wstrSource, int cchDestChar = -1 );


//-----------------------------------------------------------------------------
// Debug printing support
//-----------------------------------------------------------------------------
VOID    DXUtil_Trace( TCHAR* strMsg, ... );
HRESULT _DbgOut( TCHAR*, DWORD, HRESULT, TCHAR* );

#if defined(DEBUG) | defined(_DEBUG)
    #define DXTRACE           DXUtil_Trace
#else
    #define DXTRACE           sizeof
#endif

#if defined(DEBUG) | defined(_DEBUG)
    #define DEBUG_MSG(str)    _DbgOut( __FILE__, (DWORD)__LINE__, 0, str )
#else
    #define DEBUG_MSG(str)    (0L)
#endif


#endif // DXUTIL_H

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