shape文件的读取和展示

    //选择shape文件
        public string[] OpenShapeFile()
        {
            string[] ShpFile = new string[2];
            OpenFileDialog OpenShpFile = new OpenFileDialog();
            OpenShpFile.Title = "打开Shape文件";
            OpenShpFile.InitialDirectory = "E:";
            OpenShpFile.Filter = "Shape文件(*.shp)|*.shp";
            if (OpenShpFile.ShowDialog() == DialogResult.OK)
            {
                string ShapPath = OpenShpFile.FileName;
                //利用"\\"将文件路径分成两部分
                int Position = ShapPath.LastIndexOf("\\");
                string FilePath = ShapPath.Substring(0, Position);
                string ShpName = ShapPath.Substring(Position + 1);
                ShpFile[0] = FilePath;
                ShpFile[1] = ShpName;
            }
            return ShpFile;
        }

  //读取shape文件，新建图层，并显示在地图
        private void button2_Click(object sender, EventArgs e)
        {
           // IWorkspaceFactory pWorkspaceFactory = new ShapefileWorkspaceFactory(); // 1
           // IWorkspace pWorkspace = pWorkspaceFactory.OpenFromFile();


            OpenFileDialog openFileDialog1 = new OpenFileDialog();
            IWorkspaceFactory pWorkspaceFactory = new ShapefileWorkspaceFactory(); // 1

            string[] ShpFile = OpenShapeFile();

            string FilePath = ShpFile[0];
            string ShpName = ShpFile[1];


            IWorkspace pWorkspace = pWorkspaceFactory.OpenFromFile(FilePath, 0); // 2

            IFeatureWorkspace pFeatureWorkspace = pWorkspace as IFeatureWorkspace;

            IFeatureClass pFC = pFeatureWorkspace.OpenFeatureClass(ShpName); //3


            IFeatureLayer pFLayer = new FeatureLayerClass(); // 4

            pFLayer.FeatureClass = pFC;

            pFLayer.Name = pFC.AliasName; // 5

            ILayer pLayer = pFLayer as ILayer;


            IMap pMap = axMapControl1.Map;

            pMap.AddLayer(pLayer); // 6

            axMapControl1.ActiveView.Refresh();

        }