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ArcGIS-导出为矢量数据收藏
        /// <summary>
        /// 导出featureclass
        /// </summary>
        /// <param name="pOutWorkspaceName">工作空间</param>
        /// <param name="pFeatureClass">要素类</param>
        /// <param name="strDatasetName">图层名</param>
        private void ExportToVector(IWorkspaceName pOutWorkspaceName, IFeatureClass pFeatureClass, string strDatasetName)
        {
            // 确定目标要素集的名称
            IFeatureClassName pOutFCName = new FeatureClassNameClass();
            IDatasetName pOutDSName = pOutFCName as IDatasetName;
            pOutDSName.WorkspaceName = pOutWorkspaceName;
            pOutDSName.Name = strDatasetName;

            // 定义源数据集，源要素集的名称
            IDataset pSourceDataset = pFeatureClass as IDataset;
            IFeatureClassName pSourceFCName = pSourceDataset.FullName as IFeatureClassName;

            // 将源字段copy至目标字段
            IFields pInFields = pFeatureClass.Fields;
            IFields pOutFields;
            IEnumFieldError pEnumField;
            IFieldChecker pFieldChecker = new FieldCheckerClass();
            pFieldChecker.Validate(pInFields, out pEnumField, out pOutFields);

            // 源要素几何定义对象及格网
            for (int i = 0; i < pOutFields.FieldCount; i++)
            {
                IField pGeoField = pOutFields.get_Field(i);
                if (pGeoField.Type == esriFieldType.esriFieldTypeGeometry)
                {
                    IGeometryDef pOutFCGeoDef = pGeoField.GeometryDef;

                    IGeometryDefEdit pOutFCGeoDefEdit = pOutFCGeoDef as IGeometryDefEdit;
                    pOutFCGeoDefEdit.GridCount_2 = 1;
                    pOutFCGeoDefEdit.set_GridSize(0, 0);
                    pOutFCGeoDefEdit.SpatialReference_2 = pOutFCGeoDef.SpatialReference;

                    try
                    {
                        // 创建要素数据转换对象并实现要素的输出
                        IFeatureDataConverter pFeatureDataConvert = new FeatureDataConverterClass();
                        pFeatureDataConvert.ConvertFeatureClass(pSourceFCName, null, null, pOutFCName, pOutFCGeoDef, pOutFields, "", 1000, 0);
                    }
                    catch { }

                    break;
                }
            }
        }

本文来自CSDN博客，转载请标明出处：http://blog.csdn.net/myh0305/archive/2008/01/03/2014378.aspx