Ошибка преобразования формата

#ifdef MEMORY_MAPPED_FILES
    if (m_dibFile.AttachMapFile(dlg.GetPathName(),
            TRUE) == TRUE) { // share
        Invalidate();
    }

BOOL CDib::AttachMapFile(const char* strPathname, BOOL bShare) // for reading
{
    // if we open the same file twice, Windows treats it as 2 separate files
    // doesn't work with rare BMP files where # palette entries > biClrUsed
    HANDLE hFile = ::CreateFile(strPathname, GENERIC_WRITE | GENERIC_READ,
        bShare ? FILE_SHARE_READ : 0,
        NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
    ASSERT(hFile != INVALID_HANDLE_VALUE);
    DWORD dwFileSize = ::GetFileSize(hFile, NULL);
    HANDLE hMap = ::CreateFileMapping(hFile, NULL, PAGE_READWRITE, 0, 0, NULL);
    DWORD dwErr = ::GetLastError();
    if(hMap == NULL) {
        AfxMessageBox(_T("Empty bitmap file"));
        return FALSE;
    }
    LPVOID lpvFile = ::MapViewOfFile(hMap, FILE_MAP_WRITE, 0, 0, 0); // map whole file
    ASSERT(lpvFile != NULL);
    if(((LPBITMAPFILEHEADER) lpvFile)->bfType != 0x4d42) {
        AfxMessageBox(_T("Invalid bitmap file"));
        DetachMapFile();
        return FALSE;
    }
    AttachMemory((LPBYTE) lpvFile + sizeof(BITMAPFILEHEADER));
    m_lpvFile = lpvFile;
    m_hFile = hFile;
    m_hMap = hMap;
    return TRUE;
}

BOOL CDib::CopyToMapFile(const char* strPathname)
{
    // copies DIB to a new file, releases prior pointers
    // if you previously used CreateSection, the HBITMAP will be NULL (and unusable)
    BITMAPFILEHEADER bmfh;
    bmfh.bfType = 0x4d42;  // 'BM'
    bmfh.bfSize = m_dwSizeImage + sizeof(BITMAPINFOHEADER) +
            sizeof(RGBQUAD) * m_nColorTableEntries + sizeof(BITMAPFILEHEADER);
    // meaning of bfSize open to interpretation
    bmfh.bfReserved1 = bmfh.bfReserved2 = 0;
    bmfh.bfOffBits = sizeof(BITMAPFILEHEADER) + sizeof(BITMAPINFOHEADER) +
            sizeof(RGBQUAD) * m_nColorTableEntries; 
    HANDLE hFile = ::CreateFile(strPathname, GENERIC_WRITE | GENERIC_READ, 0, NULL,
        CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
    ASSERT(hFile != INVALID_HANDLE_VALUE);
    int nSize =  sizeof(BITMAPFILEHEADER) + sizeof(BITMAPINFOHEADER) +
                sizeof(RGBQUAD) * m_nColorTableEntries +  m_dwSizeImage;
    HANDLE hMap = ::CreateFileMapping(hFile, NULL, PAGE_READWRITE, 0, nSize, NULL);
    DWORD dwErr = ::GetLastError();
    ASSERT(hMap != NULL);
    LPVOID lpvFile = ::MapViewOfFile(hMap, FILE_MAP_WRITE, 0, 0, 0); // map whole file
    ASSERT(lpvFile != NULL);
    LPBYTE lpbCurrent = (LPBYTE) lpvFile;
    memcpy(lpbCurrent, &bmfh, sizeof(BITMAPFILEHEADER)); // file header
    lpbCurrent += sizeof(BITMAPFILEHEADER);
    LPBITMAPINFOHEADER lpBMIH = (LPBITMAPINFOHEADER) lpbCurrent;
    memcpy(lpbCurrent, m_lpBMIH,
        sizeof(BITMAPINFOHEADER) + sizeof(RGBQUAD) * m_nColorTableEntries); // info
    lpbCurrent += sizeof(BITMAPINFOHEADER) + sizeof(RGBQUAD) * m_nColorTableEntries;
    memcpy(lpbCurrent, m_lpImage, m_dwSizeImage); // bit image
    DWORD dwSizeImage = m_dwSizeImage;
    Empty();
    m_dwSizeImage = dwSizeImage;
    m_nBmihAlloc = m_nImageAlloc = noAlloc;
    m_lpBMIH = lpBMIH;
    m_lpImage = lpbCurrent;
    m_hFile = hFile;
    m_hMap = hMap;
    m_lpvFile = lpvFile;
    ComputePaletteSize(m_lpBMIH->biBitCount);
    ComputeMetrics();
    MakePalette();
    return TRUE;
}

CString sPath = "тут твой путь";
AttachMapFile((LPCTSTR)(sPath.GetBuffer(sPath.GetLength())), BOOL bShare)

BOOL AttachMapFile(const char* strPathname, BOOL bShare = FALSE);