//中心点查询
private void point_DrawCompleted(object sender, DrawEventArgs e)
{
QueryParam queryParam = new QueryParam();
QueryLayer queryLayer = new QueryLayer();
queryLayer.LayerName = comboBox.SelectionBoxItem.ToString();
List<QueryLayer> queryLayers = new List<QueryLayer> { queryLayer };
queryParam = new QueryParam()
{
ExpectCount = 0,
QueryLayers = queryLayers,
StartRecord = 0
};
//将文本中读取的容限值转换为Double类型，如果值为0则将其设为100
double tolerance;
if (!double.TryParse(MyTextBox.Text, out tolerance))
{
tolerance = 100;
}
QueryByCenterParameters parameters = new QueryByCenterParameters
{
MapName = "changchun",
CenterPoint = e.Geometry.Bounds.Center,
Tolerance = tolerance,
QueryParam = queryParam
};
if (FindNearest.IsChecked == true)
{
parameters.IsNearest = true;
}
//与服务器交互
QueryByCenterService query = new QueryByCenterService("http://localhost/IS/AjaxDemo");
query.ProcessAsync(parameters);
query.Failed += new EventHandler<ServiceFailedEventArgs>(query_Failed);
query.ProcessCompleted += new EventHandler<QueryServiceEventArgs>(query_ProcessCompleted);
featuresLayer.MouseLeftButtonDown+=new EventHandler<FeatureMouseButtonEventArgs>(featuresLayer_MouseLeftButtonDown);
}
private void point_DrawCompleted(object sender, DrawEventArgs e)
{
Pushpin pushPin = new Pushpin();
pushPin.Location = e.Geometry.Bounds.Center;
elementsLayer.AddChild(pushPin);
QueryByCenterParameters queryParameters = new QueryByCenterParameters()
{
MapName = "changchun",
Tolerance = 100,
IsNearest = true,
QueryParam = new QueryParam()
{
QueryAllLayer = false,
QueryLayers = new List<QueryLayer>() { new QueryLayer() { LayerName = "RoadNet@changchun" } },
HasGeometry = true,
ReturnShape = true,
ExpectCount = 1,
}
};
queryParameters.CenterPoint = e.Geometry.Bounds.Center;
QueryByCenterService queryService = new QueryByCenterService("http://localhost/IS/AjaxDemo");
queryService.ProcessAsync(queryParameters);
queryService.ProcessCompleted += new EventHandler<QueryServiceEventArgs>(queryService_ProcessCompleted);
}
