//几何对象绘制结束触发事件
private void DrawCompleted(object sender, DrawEventArgs e)
{
//隐藏 FeatureDataGrid 控件
MyDataGrid.Visibility = Visibility.Collapsed;
//设置几何查询参数，FilterParameters、Geometry 和 SpatialQueryMode 为必设属性
QueryByGeometryParameters parameter = new QueryByGeometryParameters
{
FilterParameters = new List<FilterParameter>()
{
new FilterParameter()
{
Name = "Countries@World",
}
},
Geometry = e.Geometry,
SpatialQueryMode = SpatialQueryMode.INTERSECT,
//设置是返回查询结果资源（false）还是返回查询结果记录集（true）
ReturnContent = notHighlight
};
//与服务器交互
QueryByGeometryService service = new QueryByGeometryService(url);
service.ProcessAsync(parameter);
service.ProcessCompleted += new EventHandler<QueryEventArgs>(service_ProcessCompleted);
service.Failed += new EventHandler<ServiceFailedEventArgs>(service_Failed);
//当在 FeaturesLayer 上通过鼠标左键点击触发的事件
flayer.MouseLeftButtonDown += flayer_MouseLeftButtonDown;
}
private void sp_Click(object sender, RoutedEventArgs e)
{
QueryByGeometryParameters param = new QueryByGeometryParameters
{
FilterParameters = new List<FilterParameter>()
{
new FilterParameter()
{
Name = "World@World",
}
},
ReturnContent = false,
Geometry = new GeoRegion()
{
Parts = new ObservableCollection<Point2DCollection>()
{ new Point2DCollection()
{
new Point2D(0, 0),
new Point2D(20, 0),
new Point2D(20, 20),
new Point2D(0, 20)
}
}
},
SpatialQueryMode = SpatialQueryMode.INTERSECT
};
QueryByGeometryService sp = new QueryByGeometryService(url);
sp.ProcessAsync(param);
sp.ProcessCompleted += new EventHandler<QueryEventArgs>(service_ProcessCompleted);
sp.Failed += new EventHandler<ServiceFailedEventArgs>(service_Failed);
}