Arc Engiene读取文档的属性

设计界面

创建类

代码如下

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using ESRI.ArcGIS.Controls;
using System.Data;
using ESRI.ArcGIS.Carto;
using ESRI.ArcGIS.Geodatabase;
using ESRI.ArcGIS.Geometry;

namespace test
{
   public class DataHelper
    {
        #region 读取mapControl属性表
        public static DataTable GetAttribute(AxMapControl axMapControl)
        {
            int layerCount = axMapControl.Map.LayerCount;

// IFeature pFeature;
            string fieldName=string.Empty;
            int fieldCount;
            bool firstThroght=true;
            DataTable dataTable = new DataTable();
            //循环图层得到每一层的数据
            for (int l = 0; l < layerCount; l++)
            {
                IFeatureLayer pFeatureLayer = axMapControl.Map.get_Layer(l) as IFeatureLayer;
                IFeatureClass pFeatureClass = pFeatureLayer.FeatureClass;
                fieldCount = pFeatureClass.Fields.FieldCount;
                int featureCount = pFeatureClass.FeatureCount(new QueryFilterClass());
                if (firstThroght)
                {
                    for (int i = 0; i < fieldCount; i++)
                    {
                        string fieldHeadName = pFeatureClass.Fields.get_Field(i).AliasName;
                        dataTable.Columns.Add(fieldHeadName);

}
                    firstThroght = false;
                }
                //判断feature的类型
                int indexofShape = pFeatureClass.FindField("Shape");
                ESRI.ArcGIS.Geometry.esriGeometryType pFeatureClassShapeType = pFeatureClass.ShapeType;
                for (int i = 0; i < featureCount; i++)
                {
                    DataRow dataRow = dataTable.NewRow();
                    for (int j = 0; j < fieldCount; j++)
                    {
                        if (j == indexofShape)
                        {
                            //Geometroy.shapetype转换
                            switch (pFeatureClassShapeType)
                            {
                                case esriGeometryType.esriGeometryPoint:
                                    fieldName = "Point";
                                    break;
                                case esriGeometryType.esriGeometryPolyline:
                                    fieldName = "Polyline";
                                    break;
                                case esriGeometryType.esriGeometryPolygon:
                                    fieldName = "Polygon";
                                    break;
                                default:
                                    break;
                            }
                            // fieldName = pFeatureClass.GetFeature(i).get_Value(j).ToString();
                            //dataTable.Columns.Add(fieldName);

dataRow[j] = fieldName;
                        }
                        else
                        {
                            //添加非shape字段到表中
                            fieldName = pFeatureClass.GetFeature(i).get_Value(j).ToString();
                            //dataTable.Columns.Add(fieldName);

dataRow[j] = fieldName;
                        }

//dataTable[i][j] = fieldName;
                    }
                    dataTable.Rows.Add(dataRow);

}
            }
            return dataTable;
        }
        #endregion
    }
}