C#

using System;
using System.IO;
using System.Resources;
using System.Runtime.Serialization.Formatters.Binary;

class ResourceUtility
{
	public static void WriteResourceToFile(string name, object graph, string fileName)
	{
		// Serialize the resource
		BinaryFormatter serializer = new BinaryFormatter();
		MemoryStream mem = new MemoryStream();
		serializer.Serialize(mem, graph);

		// Write the serialized graph to a resource file.
		using (ResourceWriter writer = new ResourceWriter(fileName))
		{
			writer.AddResource(name, mem.GetBuffer());
			writer.Generate();
			writer.Close();
		}
	}
}

public static void WriteResourceToFile(string importPath, string resourceKey, string resourceFileName)
{
	// Read the file into a byte array
	byte[] buffer = null;
	using (Stream file = new FileStream(importPath, FileMode.Open, FileAccess.Read))
	{
		buffer = new byte[file.Length];
		file.Read(buffer, 0, (int)file.Length);
                file.Close();
	}

	// Write the file as a byte array to a resource file.
	using (ResourceWriter writer = new ResourceWriter(resourceFileName))
	{
		writer.AddResource(resourceKey, buffer);
		writer.Generate();
		writer.Close();
	}
}

ResourceUtility.WriteResourceToFile(@"c:\pic1.jpg", "pic1", "image.resources");

private System.Drawing.Image ReadImageResourceFromFile(string resourceFileName, object resourceKey)
{
	MemoryStream stream = null;
	Image i = null;

        // Read the resource file and find the requested key.
	using (ResourceReader reader = new ResourceReader(resourceFileName))
	{
		IDictionaryEnumerator loop = reader.GetEnumerator();
		while (loop.MoveNext())
		{
			if (loop.Key == resourceKey)
			{
				byte[] buffer = (byte[])loop.Value;
				stream = new MemoryStream(buffer);
				break;
			}
		}
		reader.Close();
	}

        // Create an Image object from the newly read byte array.
	if (stream != null && stream.Length > 0)
	{
		stream.Position = 0;
		i = Image.FromStream(stream);
		stream.Close();
	}
	return i;
}

System.Drawing.Image result = ReadImageResourceFromFile("image.resources", "pic1");

[DllImport("user32.dll", SetLastError = true)]<br />
static extern IntPtr FindWindow(string lpClassName, string lpWindowName);