SuperMap.Web.Mapping.TiledDynamicRESTLayer.Initialize C# (CSharp) Method

        public override void Initialize()
        {
            _randomKey = DateTime.Now.Ticks.ToString(System.Globalization.CultureInfo.InvariantCulture);
            if (!this.isInitializing && !base.IsInitialized)
            {
                if (string.IsNullOrEmpty(this.Url))
                {
                    Error = new ArgumentNullException(SuperMap.Web.iServerJava6R.Resources.ExceptionStrings.InvalidUrl);
                    Initialize();
                    return;
                }
                if (IsSkipGetSMMapServiceInfo)
                {
                    if (Bounds.IsEmpty)
                    {
                        Error = new ArgumentNullException("Bounds");
                    }
                    if (this.CRS != null)
                    {
                        Dpi = ScaleHelper.GetSmDpi(ReferViewBounds, ReferViewer, ReferScale, this.CRS.Unit, this.CRS.DatumAxis);
                    }
                    Dpi *= AdjustFactor;

                    this.isInitializing = true;

                    base.Initialize();
                    return;
                }

                if (!Url.Contains("http://"))  //相对地址
                {
                    var pageUrl = System.Windows.Browser.HtmlPage.Document.DocumentUri;
                    var localUrl = pageUrl.AbsoluteUri.Substring(0, pageUrl.AbsoluteUri.IndexOf(pageUrl.AbsolutePath));
                    Url = localUrl + Url;
                }

                this.isInitializing = true;
                this._mapServiceDefault = new SmMapService(this.Url.Trim());
                this._mapServiceDefault.Initialized +=
                    (o, e) =>
                    {
                        this.mapService = new SmMapService(this.Url.Trim());
                        this.mapService.Initialized += new EventHandler<SmMapService.MapServiceInitalizeArgs>(mapService_Initialized);
                        this.mapService.Failed += new SmMapService.MapServiceFaultEventHandler(mapService_Fault);
                        if (this.CRS != null && this.CRS.WKID > 0)
                        {
                            this.mapService.Initialize(this.CRS.WKID);
                        }
                        else
                        {
                            this.mapService.Initialize();
                        }
                    };
                this._mapServiceDefault.Initialize();

            }
        }