c#源码:

    ////<summary>
    ////释放内嵌资源至指定位置
    ////</summary>
    ////<param name="resource">嵌入的资源，此参数写作：命名空间.文件夹名.文件名.扩展名</param>  ExtractFile("WpfApplication1.img.shuiyin.png", "D:\\shuiyin.png");
    ////<param name="path">释放到位置</param>
    public static void ExtractFile(String resource, String path)
    {
        Assembly assembly = Assembly.GetExecutingAssembly();
        BufferedStream input = new BufferedStream(assembly.GetManifestResourceStream(resource));
        FileStream output = new FileStream(path, FileMode.Create);
        byte[] data = new byte[1024];
        int lengthEachRead;
        while ((lengthEachRead = input.Read(data, 0, data.Length)) > 0)
        {
            output.Write(data, 0, lengthEachRead);
        }
        output.Flush();
        output.Close();
    }

    /// <summary>
    /// 释放resx里面的文本类型文件
    /// </summary>
    /// <param name="str">resx里面的文本资源</param>
    /// <param name="path">释放到的路径</param>
    public static void ExtractText(string str, String path)
    {
        FileStream fs = new FileStream(path, FileMode.Create, FileAccess.ReadWrite);
        StreamWriter sw = new StreamWriter(fs);
        sw.WriteLine(str.Trim());
        sw.Flush();
        sw.Dispose();
        sw.Close();
        fs.Close();
    }

    /// <summary>
    /// 释放resx里面的普通类型文件
    /// </summary>
    /// <param name="resource">resx里面的资源</param>
    /// <param name="path">释放到的路径</param>
    public static void ExtractNormalFileInResx(byte[] resource, String path)
    {
        FileStream file = new FileStream(path, FileMode.Create);
        file.Write(resource, 0, resource.Length);
        file.Flush();
        file.Close();
    }

    /// <summary>
    /// 释放resx文件里面的音频资源文件
    /// </summary>
    /// <param name="fileInResx">在resx里面的音频文件</param>
    /// <param name="path">释放到的路径</param>
    public static void ExtractAudioFileInResx(Stream fileInResx, String path)
    {
        Stream input = fileInResx;
        FileStream output = new FileStream(path, FileMode.Create);
        byte[] data = new byte[1024];
        int lengthEachRead;
        while ((lengthEachRead = input.Read(data, 0, data.Length)) > 0)
        {
            output.Write(data, 0, lengthEachRead);
        }
        output.Flush();
        output.Close();
    }

    /// <summary>
    /// 释放resx里的图片资源文件
    /// </summary>
    /// <param name="image">resx里的图片资源</param>
    /// <param name="path">释放到的路径</param>
    public static void ExtractImageFileInResx(Bitmap image, String path)
    {
        MemoryStream memoryStream = new MemoryStream();
        image.Save(memoryStream, image.RawFormat);
        byte[] data = memoryStream.ToArray();
        FileStream file = new FileStream(path, FileMode.Create);
        file.Write(data, 0, data.Length);
        file.Flush();
        file.Close();
    }
    //ExtractNormalFileInResx(res.a, "D:\\a.txt");