MFC

// 释放文件到指定的文件夹
BOOL ReleaseRes(LPCTSTR szDLLFullPath, UINT uResID, LPCTSTR szResType)
{
    if (uResID<=0 || !szResType)
    {
        return FALSE;
    }

    HRSRC hRsrc = FindResource(NULL, MAKEINTRESOURCE(uResID), szResType);
    if ( NULL == hRsrc )
    {
        return FALSE;
    }

    DWORD dwSize = SizeofResource(NULL, hRsrc);
    if ( dwSize <= 0)
    {
        return FALSE;
    }

    HGLOBAL hGlobal = LoadResource(NULL, hRsrc);
    if ( NULL == hGlobal )
    {
        return FALSE;
    }

    LPVOID pBuffer = LockResource(hGlobal);
    if ( NULL ==pBuffer )
    {
        return FALSE;
    }

    HANDLE hFile = CreateFile(szDLLFullPath, GENERIC_READ|GENERIC_WRITE, 0, NULL, OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
    if (INVALID_HANDLE_VALUE == hFile )
    {
        return FALSE;
    }

    DWORD dwWrited = 0;
    if (FALSE == WriteFile(hFile, pBuffer, dwSize, &dwWrited, NULL) )
    {
        AfxMessageBox(_T("写入失败!"));
        return FALSE;
    }

    UnlockResource(hGlobal);
    CloseHandle(hFile);
    return TRUE;
}