数据库unsigned char*类型图片存进

void Caccess_test_1Dlg::loadimage1()//存入unsigned char*类型的数据图片
{
    CFileException e;
    Invalidate();
    //输入图片测试
    CString sFilePathName = L"D:\\bridge.bmp";
    m_Pic.Load(sFilePathName);

    BOOL bResult = FALSE;
    CFile f;
    //int    nSize = 0;
    if (m_Pic.m_IPicture != NULL) m_Pic.FreePictureData(); // Important - Avoid Leaks...

    if (f.Open(sFilePathName, CFile::modeRead | CFile::typeBinary, &e)) //打开该文件
    {
        //int nSize = f.GetLength();          //先得到文件长度
        BYTE * pBuffer = new BYTE[nSize];  //按文件的大小在堆上申请一块内存
        if (f.Read(pBuffer, nSize) > 0)    //把jpg文件读到pBuffer(堆上申请一块内存)
        {   // +----------------------------------------------
            BYTE *pBuf = pBuffer;     ///下面这一大段是把pBuffer里的jpg数据放到库中
            VARIANT            varBLOB;
            SAFEARRAY        *psa;
            SAFEARRAYBOUND    rgsabound[1];
            if (pBuf)
            {
                rgsabound[0].lLbound = 0;
                rgsabound[0].cElements = nSize;
                psa = SafeArrayCreate(VT_UI1, 1, rgsabound);
                for (long i = 0; i < (long)nSize; i++)
                    SafeArrayPutElement(psa, &i, pBuf++);
                varBLOB.vt = VT_ARRAY | VT_UI1;
                varBLOB.parray = psa;
                m_pRecordset->GetFields()->GetItem("偏振度图像")->AppendChunk(varBLOB);
            }
            (m_Pic.LoadPictureData(pBuffer, nSize));//接作调用函数读pBuffer的jpg数据准备显示
            delete[] pBuffer;     //删掉堆上申请的那一块内存
            pBuf = 0;                //以防二次乱用
        }
        f.Close();
        showimage1();
    }
}