ResourceInspector.cs

using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Threading;

public class ResourceInspector
{
    public delegate void FileListCallback(Stream xapFileStream);

    public IDictionary<String, Uri> Inspect(Assembly assembly)
    {
        if (assembly == null)
        {
            throw new ArgumentNullException("assembly");
        }
            
        var uriLookup = new Dictionary<string, Uri>(StringComparer.OrdinalIgnoreCase);

        var asmName = assembly.FullName.Split(new [] { ',' })[0]; // Can't use assembly.GetName().Name in SL . . .
        var resourceNames =
            assembly.GetManifestResourceNames().Select(
                name => name.Replace(".resources", ""));
        var resourceManagers = resourceNames.Select(name => new System.Resources.ResourceManager(name, assembly));

        foreach (var resourceManager in resourceManagers)
        {
            var dummy = resourceManager.GetStream("__dummy__"); // Need to do this, otherwise next line will fail...
            var rs = resourceManager.GetResourceSet(Thread.CurrentThread.CurrentUICulture, false, true);
            IDictionaryEnumerator enumerator = rs.GetEnumerator();
            while (enumerator.MoveNext())
            {
                // We can also do this:
                // var stream = (Stream)enumerator.Value;

                var resourceName = (string)enumerator.Key;
                var uri = new Uri(asmName + ";component/" + resourceName , UriKind.Relative);
                uriLookup[resourceName] = uri;
            }
        }

        return uriLookup;
    }
}