private void 复制ToolStripMenuItem_Click(object sender, EventArgs e)        {            int layercount = axMapControl2.LayerCount;            if (layercount <= 0)            { MessageBox.Show("没有图层！", "系统错误", MessageBoxButtons.OK, MessageBoxIcon.Warning); }            else            {            IFeatureLayer pFeatureLayer = (IFeatureLayer)axMapControl2.get_Layer(0);            ITable pTable = pFeatureLayer.FeatureClass as ITable;            IFields pFields;            pFields = pFeatureLayer.FeatureClass.Fields;            IDataset pp = (IDataset)pFeatureLayer.FeatureClass;            //MessageBox.Show(pp.Workspace.PathName +@"\"+ pp.Name+".shp");            IWorkspaceFactory pWorkspaceFac = new ShapefileWorkspaceFactoryClass();            IFeatureWorkspace pFeatureworkspace = (IFeatureWorkspace)pWorkspaceFac.OpenFromFile(pp.Workspace.PathName,0);            IFeatureClass pFeatureClass = pFeatureworkspace.CreateFeatureClass(pp.Name + layercount.ToString() + ".shp", pFields, null, null, esriFeatureType.esriFTSimple, "shape", "");            IFeatureCursor pFeatureCursor = pFeatureLayer.FeatureClass.Search(null,false);            IFeature pFeature1 =pFeatureCursor.NextFeature();            while(pFeature1!=null)            {            IFeature pFeature2 = pFeatureClass.CreateFeature();            pFeature2.Shape = pFeature1.Shape;            for (int i = 0; i < pFields.FieldCount-2; i++)            {               pFeature2.set_Value(i+2,pFeature1.get_Value(i+2));             }                      pFeature2.Store();            pFeature1 = pFeatureCursor.NextFeature();            }            axMapControl2.AddShapeFile(pp.Workspace.PathName, pp.Name + layercount.ToString() + ".shp");            }            MessageBox.Show("复制完成","系统提示",MessageBoxButtons.OK,MessageBoxIcon.Information);                    }