private static void MapOverlapDisplayedOptionsTest()
{
    //打开工作空间
    String path = @"..\world";
    Workspace workspace = new Workspace();
    WorkspaceConnectionInfo workspaceConnectionInfo = new WorkspaceConnectionInfo(path + "\world.sxwu");
    workspace.Open(workspaceConnectionInfo);

    //获取数据源 获取给定的数据集
    Datasource datasource = workspace.Datasources["world"];
    DatasetVector dataset = (DatasetVector)datasource.Datasets["Capital"];

    MapControl mapControl = new MapControl();
    Map map = mapControl.Map;

    //添加数据集Capital到地图中
    map.Layers.Add(dataset, true);

    //设置重叠时不显示对象
    map.IsOverlapDisplayed = false;

    //构造地图压盖过滤显示选项类
    MapOverlapDisplayedOptions mapOverlapDisplayedOptions = map.OverlapDisplayedOptions;

    //设置点和点压盖时不显示压盖的点对象
    mapOverlapDisplayedOptions.AllowPointOverlap = false;
    //设置各对象之间的压盖间距
    mapOverlapDisplayedOptions.OverlappedSpaceSize = new Size2D(40, 40);

    //设置地图的压盖过滤显示选项
    map.OverlapDisplayedOptions = mapOverlapDisplayedOptions;

    //释放资源
    mapControl.Dispose();
    workspace.Close();
    workspace.Dispose();