Mapsui.Providers.ArcGIS.Dynamic.ArcGISDynamicProvider.GetRequestUrl C# (CSharp) Метод

        public string GetRequestUrl(BoundingBox box, int width, int height)
        {
            //ArcGIS Export description see: http://resources.esri.com/help/9.3/arcgisserver/apis/rest/index.html?export.html

            var sr = CreateSr(CRS);
            var strReq = new StringBuilder(_url);
            strReq.Append("/export?");
            strReq.AppendFormat(CultureInfo.InvariantCulture, "bbox={0},{1},{2},{3}", box.Min.X, box.Min.Y, box.Max.X, box.Max.Y);
            strReq.AppendFormat("&bboxSR={0}", sr);
            strReq.AppendFormat("&imageSR={0}", sr);
            strReq.AppendFormat("&size={0},{1}", width, height);
            strReq.Append("&layers=show:");

            if (!string.IsNullOrEmpty(Token))
            {
                strReq.Append($"&token={Token}");
            }
            /*
             * Add all layers to the request that have defaultVisibility to true, the normal request to ArcGIS allready does this already
             * without specifying "layers=show", but this adds the opportunity for the user to set the defaultVisibility of layers
             * to false in the capabilities so different views (layers) can be created for one service
             */
            var oneAdded = false;

            foreach (var t in ArcGisDynamicCapabilities.layers)
            {
                if (t.defaultVisibility == false)
                    continue;

                if (oneAdded)
                    strReq.Append(",");

                strReq.AppendFormat("{0}", t.id);
                oneAdded = true;
            }

            strReq.AppendFormat("&format={0}", GetFormat(ArcGisDynamicCapabilities));
            strReq.Append("&transparent=true");
            strReq.Append("&f=image");

            return strReq.ToString();
        }