ESRI.ArcGIS.Client.Toolkit.SignInDialog.MakeReplacements C# (CSharp) Method

		private void MakeReplacements(RichTextBox richTextBox, string xaml)
		{
			if (richTextBox == null || string.IsNullOrEmpty(xaml))
				return;

			string url = Url;

			if (string.IsNullOrEmpty(url) && DesignerProperties.GetIsInDesignMode(this))
				url = "http://myServer.com/rest/services/myService"; // Use design Url

			if (!string.IsNullOrEmpty(url))
			{
				string resourceName = GetResourceName(url);
				IdentityManager.ServerInfo serverInfo = IdentityManager.Current.FindServerInfo(url);
				string server = serverInfo == null ? Regex.Match(url, "http.?//[^/]*").ToString() : serverInfo.ServerUrl;
				xaml = xaml.Replace("$RESOURCENAME", XamlEncode(resourceName));
				xaml = xaml.Replace("$URL", XamlEncode(url));
				xaml = xaml.Replace("$SERVER", XamlEncode(server));
			}
#if !SILVERLIGHT
			xaml = xaml.Replace("$AUTHENTICATIONTYPE", _authenticationType.ToString());
#endif
			xaml = xaml.Replace("$ERRORMESSAGE", XamlEncode(ErrorMessage));

			string previousError = null;
			string referer = null;
			string proxyUrl = null;
			if (GenerateTokenOptions != null)
			{
				previousError = GenerateTokenOptions.PreviousError.ToString();
				referer = GenerateTokenOptions.Referer;
				proxyUrl = GenerateTokenOptions.ProxyUrl;
			}
			xaml = xaml.Replace("$PREVIOUSERROR", XamlEncode(previousError));
			xaml = xaml.Replace("$SERVER", XamlEncode(referer));
			xaml = xaml.Replace("$PROXYURL", XamlEncode(proxyUrl));

#if SILVERLIGHT
			richTextBox.Xaml = xaml;
#else
			StringReader stringReader = new StringReader(xaml);
			XmlReader xmlReader = XmlReader.Create(stringReader);
			richTextBox.Document = XamlReader.Load(xmlReader) as FlowDocument;
#endif
		}