How to extract a list of embedded resources from C# assembly?

Question

I just want to extract some embedded resources or a list of them from my assembly to a directory. I used File.Stream, WriteAllBytes and also File.Copy, but it did NOT work, and its only an output with 0 bytes of size. Whats the problem with this?

public void Main()
{
    Assembly.GetExecutingAssembly().GetManifestResourceNames();
    Stream stream = Assembly.GetExecutingAssembly().GetManifestResourceStream("myNameSpace.myEmbeddedRes");
    FileStream fileStream = new FileStream("e:\\new.txt", FileMode.CreateNew, FileAccess.Write);
    for (int i = 0; i < stream.Length; i++)
    fileStream.WriteByte((byte)stream.ReadByte());
    fileStream.Close();
}

or

private static void ExtEmbdRes(string outDir, string resLoc, List<string> files)
{
    foreach (string file in files)
    {
        using (System.IO.Stream stream = System.Reflection.Assembly.GetExecutingAssembly().GetManifestResourceStream(resLoc + "." + file))
        {
            using (System.IO.FileStream fileStream = new System.IO.FileStream(System.IO.Path.Combine(outDir, file), System.IO.FileMode.Create))
            {
                for (int i = 0; i < stream.Length; i++)
                {
                    fileStream.WriteByte((byte)stream.ReadByte());
                }
                fileStream.Close();
            }
        }
    }
}


static void Main()
{
    List<string> fileList = new List<string>();
    {
        fileList.Add("txtFile1.txt");
        fileList.Add("txtFile2.txt");
        fileList.Add("txtFile3.txt");
    };
    ExtEmbdRes("e:\\", "myNameSpace", fileList);
}

Have you checked whether your resource file is defined as Embedded Resource? — Kzryzstof
– Kzryzstof, Commented Dec 23, 2017 at 10:19

Robbert Draaisma · Accepted Answer · 2017-12-23 12:26:41Z

3

You can use assembly.GetManifestResourceNames() to Get a list of embedded Resources. Also are you sure the executing assembly is the one with the embedded resources? Perhaps you are using a class library

answered Dec 23, 2017 at 12:26

Robbert Draaisma

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1 Comment

Phree Over a year ago

By twiddling with VS n code i finally found that apparently the manifest UAC elevating is affecting and When I do that without setting requestedExecutionLevel on requireAdministrator or so, it works properly! What to do now?

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