System.Windows.Application.GetResourceStream C# (CSharp) Method

		public static StreamResourceInfo GetResourceStream (Uri uriResource)
		{
			if (uriResource == null)
				throw new ArgumentNullException ("uriResource");

			if (uriResource.IsAbsoluteUri && uriResource.Scheme != Uri.UriSchemeFile) {
				throw new ArgumentException ("Absolute uriResource");
			}

			// FIXME: URI must point to
			// - the application assembly (embedded resources)
			// - an assembly part of the application package (embedded resources)
			// - something included in the package

			Assembly assembly;
			string assembly_name;
			string resource;
			string loc = uriResource.ToString ();
			int p = loc.IndexOf (';');

			/* We have a resource of the format /assembly;component/resourcename */
			/* It looks like the / is optional tho.  *SIGH* */
			if (p > 0) {
				int l = loc [0] == '/' ? 1 : 0;
				assembly_name = loc.Substring (l, p - l);
				assembly = GetAssembly (assembly_name);
				if (assembly == null)
					return null;

				resource = loc.Substring (p + 11);
			} else {
				assembly = Deployment.Current.EntryAssembly;
				// Deployment.Current.EntryPointAssembly is not usable outside the main thread
				assembly_name = assembly.GetName ().Name;
				resource = loc;
			}

			resource = resource [0] == '/' ? resource : string.Format ("/{0}", resource);
			resource = Path.GetFullPath (resource);
			resource = resource [0] == '/' ? resource.Substring (1) : resource;

			try {
				var manager = new ResourceManager (assembly_name + ".g", assembly) { IgnoreCase = true };
				var stream = manager.GetStream (Uri.EscapeUriString (resource));
				if (stream != null)
					return new StreamResourceInfo (stream, string.Empty);
			} catch {}

			return GetXapResource (resource);
		}

        private static void SetThumbnailTitleAndIcon(UIElement content, IControlView activeView)
        {
            if (!_initialized)
            {
                throw new Exception("Not initialized");
            }
            TabbedThumbnail thumbnail = TaskbarManager.Instance.TabbedThumbnail.GetThumbnailPreview(content);

            if (thumbnail != null && activeView != null)
            {
                if (thumbnail.Title != activeView.Header)  //Title is not set yet or sth has changed
                {
                    thumbnail.Title   = activeView.Header;
                    thumbnail.Tooltip = activeView.HeaderToolTip;
                    var streamResourceInfo = Application.GetResourceStream(activeView.HeaderIcon);
                    if (streamResourceInfo != null)
                    {
                        Stream iconStream = streamResourceInfo.Stream;
                        var    bitmap     = new Bitmap(iconStream);
                        var    iconHandle = bitmap.GetHicon();
                        var    icon       = Icon.FromHandle(iconHandle);
                        thumbnail.SetWindowIcon(icon);
                    }
                    RefreshPreview((Frame)content);
                }
            }
        }