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ArcEngine 导出图层（shp）

本文来自CSDN博客，转载请标明出处：http://blog.csdn.net/Good_liu_simalb/archive/2010/07/21/5752967.aspx

private void shpToolStripMenuItem_Click(object sender, EventArgs e)         {             SaveFileDialog dlg = new SaveFileDialog();             if (DialogResult.OK == dlg.ShowDialog())             {                 string file = dlg.FileName.Substring(0, dlg.FileName.LastIndexOf('\\'));                 if (!System.IO.Directory.Exists(file))                 {                     System.IO.Directory.CreateDirectory(file);                 }                 try                 {                     ILayer pLayer = axMapControl1.Map.get_Layer(0);                     if (pLayer != null)                     {                         IFeatureLayer pFeatureLayer = pLayer as IFeatureLayer;                         if (pFeatureLayer.Visible)                         {                             ExportFeature(pFeatureLayer.FeatureClass,dlg.FileName);                         }                     }                     MessageBox.Show("导出成功");                 }                 catch                 {                     MessageBox.Show("导出失败！");                 }             }         }

        private void ExportShp()         {             SaveFileDialog dlg = new SaveFileDialog();             if (DialogResult.OK == dlg.ShowDialog())             {                 string file = dlg.FileName.Substring(0, dlg.FileName.LastIndexOf('\\'));                 if (!System.IO.Directory.Exists(file))                 {                     System.IO.Directory.CreateDirectory(file);                 }                 try                 {                     ILayer pLayer = axMapControl1.Map.get_Layer(1);                     if (pLayer != null)                     {                         IFeatureLayer pFeatureLayer = pLayer as IFeatureLayer;                         if (pFeatureLayer.Visible)                         {                             ExportFeature(pFeatureLayer.FeatureClass, dlg.FileName);                         }                     }                     MessageBox.Show("导出成功");                 }                 catch                 {                     MessageBox.Show("导出失败！");                 }             }         }

        public void ExportFeature(IFeatureClass pInFeatureClass,string pPath)         {             // create a new Access workspace factory                    IWorkspaceFactory pWorkspaceFactory = new ShapefileWorkspaceFactoryClass();             string parentPath=pPath.Substring(0, pPath.LastIndexOf('\\'));             string fileName= pPath.Substring(pPath.LastIndexOf('\\') + 1, pPath.Length - pPath.LastIndexOf('\\') - 1);             IWorkspaceName pWorkspaceName = pWorkspaceFactory.Create(parentPath,fileName, null, 0);             // Cast for IName                    IName name = (IName)pWorkspaceName;             //Open a reference to the access workspace through the name object                    IWorkspace pOutWorkspace = (IWorkspace)name.Open();

            IDataset pInDataset = pInFeatureClass as IDataset;             IFeatureClassName pInFCName = pInDataset.FullName as IFeatureClassName;             IWorkspace pInWorkspace = pInDataset.Workspace;             IDataset pOutDataset = pOutWorkspace as IDataset;             IWorkspaceName pOutWorkspaceName = pOutDataset.FullName as IWorkspaceName;             IFeatureClassName pOutFCName = new FeatureClassNameClass();             IDatasetName pDatasetName = pOutFCName as IDatasetName;             pDatasetName.WorkspaceName = pOutWorkspaceName;             pDatasetName.Name = pInFeatureClass.AliasName;             IFieldChecker pFieldChecker = new FieldCheckerClass();             pFieldChecker.InputWorkspace = pInWorkspace;             pFieldChecker.ValidateWorkspace = pOutWorkspace;             IFields pFields = pInFeatureClass.Fields;             IFields pOutFields;             IEnumFieldError pEnumFieldError;             pFieldChecker.Validate(pFields, out pEnumFieldError, out pOutFields);             IFeatureDataConverter pFeatureDataConverter = new FeatureDataConverterClass(); pFeatureDataConverter.ConvertFeatureClass(pInFCName, null, null, pOutFCName, null, pOutFields, "", 100, 0);         }