GIS编程

开发平台：
C#

frmTable.cs：源码内容
							using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using ESRI.ArcGIS.esriSystem;
using ESRI.ArcGIS.SystemUI;
using ESRI.ArcGIS.Geometry;
using ESRI.ArcGIS.Display;
using ESRI.ArcGIS.Geodatabase;
using ESRI.ArcGIS.Carto;
using ESRI.ArcGIS.Controls;
namespace ArcMap
{
    public partial class frmTable : Form
    {
        public IMapControl2 pMapControl;
        public IMap pMap;
        public int iLayerIndex;
        public string LayerName;
        public frmTable(IMapControl2 pFMapControl,string LyrName)
        {
            InitializeComponent();
            pMapControl=pFMapControl;
            pMap = pMapControl.Map;
            LayerName = LyrName;
        }
        private void frmTable_Load(object sender, EventArgs e)
        {
            GetAllValues();
        }
        //获取属性表的内容
        public void GetAllValues()
        {
            IFeatureLayer pFeatureLayer;
            for (int i = 0; i <pMap.LayerCount;i++ )
            {
                if (LayerName==pMap.get_Layer(i).Name)
                {
                    iLayerIndex = i;
                    break;
                }
            }
            pFeatureLayer = (IFeatureLayer)pMap.get_Layer(iLayerIndex);
            IFields pFields;
            pFields = pFeatureLayer.FeatureClass.Fields;
            dtGridView.ColumnCount = pFields.FieldCount;
            for (int i = 0; i < pFields.FieldCount;i++ )
            {
                string fldName;
                fldName = pFields.get_Field(i).Name;
                dtGridView.Columns[i].Name = fldName;               
                
            }           
            IFeatureCursor pFeatureCursor;
            pFeatureCursor = pFeatureLayer.FeatureClass.Search(null, false);
            long lTotalRecords=1;
            IFeature pFeature;
            pFeature = pFeatureCursor.NextFeature();
            while (pFeature != null)
            {
                string[] fldValue = new string[pFields.FieldCount]; 
                for (int i = 0; i < pFields.FieldCount; i++)
                {
                    string fldName;
                    fldName = pFields.get_Field(i).Name;
                    if (fldName=="Shape")
                    {
                        fldValue[i] = Convert.ToString(pFeature.Shape.GeometryType);
                    }
                    else
                        fldValue[i] = Convert.ToString(pFeature.get_Value(i));
                }                
                dtGridView.Rows.Add(fldValue);
                pFeature = pFeatureCursor.NextFeature();
                lTotalRecords++;
            }
            tbarTotalRecords.Text = "共有" + Convert.ToString(lTotalRecords - 1) + "条记录";
        }
        private void dtGridView_CellDoubleClick(object sender, DataGridViewCellEventArgs e)
        {
           string FID;
           FID = dtGridView.Rows[e.RowIndex].Cells[0].Value.ToString();
           if (FID == "")
               return;
           IActiveView pActiveView;
           pActiveView = (IActiveView)pMap;
           pMap.ClearSelection();
           pActiveView.Refresh();
           IQueryFilter pQueryFilter = new QueryFilterClass();
           pQueryFilter.WhereClause = "FID=" + FID;
            IFeatureLayer pFeatureLayer;
            pFeatureLayer =(IFeatureLayer)pMap.get_Layer(iLayerIndex);
            IFeatureCursor pFeatureCursor;
            pFeatureCursor = pFeatureLayer.Search(pQueryFilter, false);
            IFeature pFeature;
            pFeature = pFeatureCursor.NextFeature();
            pMap.SelectFeature(pFeatureLayer, pFeature);
            IPoint pPoint = new PointClass();
            pPoint.X = (pFeature.Extent.XMin + pFeature.Extent.XMax) / 2;
            pPoint.Y = (pFeature.Extent.YMin + pFeature.Extent.YMax) / 2;
            
            pMapControl.CenterAt(pPoint);
            pActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeoSelection, null, null);
        }
    }
}

						