ProcessAsync() public method

${iServer2_Query_QueryByGeometryService_method_ProcessAsync_D}
public ProcessAsync ( QueryByGeometryParameters parameters ) : void
parameters QueryByGeometryParameters ${iServer2_Query_QueryByGeometryService_method_ProcessAsync_param_parameters}
return void
QueryByGeometryService Class Documentation
Ejemplo n.º 1
0
        //设置几何查询参数类
        private void LoadParam(Geometry geo)
        {
            List<QueryLayerParam> queryLayerParams = new List<QueryLayerParam>();
            if (comboBox.SelectedIndex != 3)
            {
                //在一个图层中查询，获取要查询的图层名
                QueryLayerParam queryLayerParam = new QueryLayerParam();
                queryLayerParam.Name = comboBox.SelectionBoxItem.ToString();

                //查询图层参数列表
                queryLayerParams = new List<QueryLayerParam>() { queryLayerParam };
            }
            else
            {
                //在三个图层中查询，获取要查询的图层名
                QueryLayerParam queryLayerParamLine = new QueryLayerParam();
                queryLayerParamLine.Name = LineLayerName;
                QueryLayerParam queryLayerParamPolygon = new QueryLayerParam();
                queryLayerParamPolygon.Name = AreaLayerName;
                QueryLayerParam queryLayerParamPoint = new QueryLayerParam();
                queryLayerParamPoint.Name = PointLayerName;

                //查询图层参数列表
                queryLayerParams = new List<QueryLayerParam>()
                {   queryLayerParamPoint,
                    queryLayerParamLine,
                    queryLayerParamPolygon
                };
            }

            //设置几何查询参数类，以下属性为必设属性
            QueryByGeometryParameters parameters = new QueryByGeometryParameters
            {
                MapName = "Changchun",
                QueryParam = new QueryParam() { QueryLayerParams = queryLayerParams, ExpectCount = 0 },
                Geometry = geo
            };

            //与指定服务器交互
            QueryByGeometryService query = new QueryByGeometryService("http://localhost:7080/demo/");
            query.ProcessAsync(parameters);
            query.ProcessCompleted += new EventHandler<QueryEventArgs>(ProcessCompleted);
            query.Failed += new EventHandler<ServiceFailedEventArgs>(queryFailedMessages);
        }