AE+C# Identify 功能实现

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1、首先新建一个WInForm，然后向其中添加一个combobox，一个DataGridView，以及label、statusbar等（界面使用第三方控件制作而成），combobox用于显示所有的图层，statusbar显示查询到的要素的字段个数以及鼠标点击处的坐标。代码如下：usingSystem;usingSystem.Collections.Generic;usingSystem.ComponentModel;usingSystem.Data;usingSystem.Drawing;usingSystem.Text;usingSystem.Windows.Forms;

2、usingESRI.ArcGIS.esriSystem;usingESRI.ArcGIS.Carto;usingESRI.ArcGIS.Geometry;usingESRI.ArcGIS.Controls;usingESRI.ArcGIS.Display;usingESRI.ArcGIS.SystemUI;usingESRI.ArcGIS.Geodatabase;usingESRI.ArcGIS.DataSourcesRaster;namespaceTools{   publicpartialclassfrmIdentify:Form   {       AxMapCo

3、ntrolaxMapControl=null;       IFeaturepFeature;       intselectedIndex=0;       publicfrmIdentify(ESRI.ArcGIS.Controls.AxMapControlaxmapcontrol)       {           InitializeComponent();           this.axMapControl=axmapcontrol;           //设置axmapcontrol的CurrentTool属性为空，更改鼠标样式           

4、axmapcontrol.CurrentTool=null;           axmapcontrol.MousePointer=ESRI.ArcGIS.Controls.esriControlsMousePointer.esriPointerIdentify;       }       privatevoidfrmIdentify_Load(objectsender,EventArgse)       {           for(inti=0;i

5、omboBox1.Items.Add(axMapControl.get_Layer(i).Name.ToString());           }           //设置dataGridView1的列数和列头           dataGridView1.ColumnCount=2;           dataGridView1.RowHeadersWidth=60;           dataGridView1.TopLeftHeaderCell.Value="属性表";           dataGridView1.Columns[0].Header

6、Text="字段";           dataGridView1.Columns[1].HeaderText="属性值";           comboBox1.SelectedIndex=0;           dataGridView1.Columns[1].Width=dataGridView1.Width-dataGridView1.Columns[0].Width-63;           //设置dataGridView1、textBox1不可编辑           dataGridView1.ReadOnly=true;       }    

7、   publicvoidOnMouseDown(intbutton,doublex,doubley)       {           if(axMapControl.get_Layer(selectedIndex)isIRasterLayer)           {               IPointpMouseDownPoint;               pMouseDownPoint=newPointClass();               pMouseDownPoint.PutCoords(x,y);