C# IPolygon.Close方法代码示例

        // the constructor for the Feature Class Management class
        public GoogleMapsEngineFeatureClassManagement(MapsEngine.API.GoogleMapsEngineAPI api)
        {
            // initialize and configure log4net, reading from Xml .config file
            log4net.Config.XmlConfigurator.Configure(new System.IO.FileInfo("log4net.config"));

            log.Info("GoogleMapsEngineFeatureClassManagement initializing.");

            // retrieve a reference to the extension
            log.Debug("Retrieiving a reference to the extension object.");
            ext = GoogleMapsEngineToolsExtensionForArcGIS.GetExtension();

            // initiate the Google Maps Enigne API object
            log.Debug("Setting the GME API object.");
            this.api = api;

            // generate a worldwide polygon, for default (spatial geometry undetermined or undefined) assets
            log.Debug("Establishing a default worldwide polygon object.");
            IPoint pUL = new Point();
            pUL.X = -180;
            pUL.Y = 90;
            IPoint pLL = new Point();
            pLL.X = -180;
            pLL.Y = -90;
            IPoint pLR = new Point();
            pLR.X = 180;
            pLR.Y = -90;
            IPoint pUR = new Point();
            pUR.X = 180;
            pUR.Y = 90;

            // add the points to the point collection
            IPointCollection pPtColl = new Polygon();
            pPtColl.AddPoint(pUL, Type.Missing, Type.Missing);
            pPtColl.AddPoint(pUR, Type.Missing, Type.Missing);
            pPtColl.AddPoint(pLR, Type.Missing, Type.Missing);
            pPtColl.AddPoint(pLL, Type.Missing, Type.Missing);
            pPtColl.AddPoint(pUL, Type.Missing, Type.Missing);

            // define the polygon as a list of points, then close the polygon
            worldPolygon = (IPolygon)pPtColl;
            worldPolygon.Close();
        }