cComInit.h

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//
//
 
#ifndef _INC_cComInit_H
#define _INC_cComInit_H
#ifndef NO_PRAGMA_ONCE
#pragma once
#endif
 
#include "../GrayLibBase.h"
#include "GrayCore/include/cUnitTestDecl.h"
 
#if defined(_WIN32)
 
namespace GrayLib
{
        UNITTEST2_PREDEF(cComInit);
 
        class GRAYLIB_LINK cComInit
        {
 
        public:
                static const DWORD k_UNK = 0xFFFF;      
                static const DWORD k_MULTITHREADED = 0;
                static const DWORD k_APARTMENTTHREADED = 2;     
 
                DWORD m_dwCoInit;               
                HRESULT m_hResCoInit;   
                static int sm_nInitCalls;               
 
        private:
                void Init2();
 
        public:
                cComInit(DWORD dwCoInit = k_APARTMENTTHREADED); // use k_UNK = defer until later call to Init()
                ~cComInit(void);
 
                bool isComInit() const
                {
                        return SUCCEEDED(m_hResCoInit);
                }
 
                HRESULT Init(DWORD dwCoInit = k_APARTMENTTHREADED);
                void Exit();
 
                UNITTEST2_PREDEF(cComInit);
        };
};
#endif
#endif