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TOCControl 打开图层属性表(转)

时间:2018-07-05 10:18:22      阅读:227      评论:0      收藏:0      [点我收藏+]

标签:.data   ==   field   ali   ESS   this   全局   event   属性表   

首先添加一个新的windows窗体frmAttribute,在上面添加个datagridview控件,用来显示图层属性!

定义frmAttribute中的全局变量:
 private ILayer pLayer;;//打开属性表的图层
 private IFeatureLayer pFeatureLayer;
 private IFeatureClass pFeatureClass;
private ILayerFields pLayerFields;

 

 修改构造函数,传入要打开属性表的图层:
public frmAttribute( ILayer pLyr)
{
 InitializeComponent();
// m_MapControl = pMapControl;
 pLayer = pLyr;
 }

 在右键菜单的打开属性表选项单击事件总打开frmAttribute窗口:
private void AttributesToolStripMenuItem_Click(object sender, EventArgs e)
 {
 frmAttribute newFA = new frmAttribute( p_Layer);//传入图层,在右击事件里返回的图层
 newFA.Show();
 }
 窗机加载时读取信息:
private void frmAttribute_Load(object sender, EventArgs e)
{
try { pFeatureLayer = pLayer as IFeatureLayer; pFeatureClass = pFeatureLayer.FeatureClass; pLayerFields = pFeatureLayer as ILayerFields; DataSet ds = new DataSet("dsTest"); DataTable dt = new DataTable(pFeatureLayer.Name); DataColumn dc = null; for (int i = 0; i < pLayerFields.FieldCount; i++) { dc = new DataColumn(pLayerFields.get_Field(i).Name); //if (pLayerFields.get_Field(i).Editable == true) // dc.ReadOnly = false; //else // dc.ReadOnly = true; dt.Columns.Add(dc); dc = null; } IFeatureCursor pFeatureCursor = pFeatureClass.Search(null, false); IFeature pFeature = pFeatureCursor.NextFeature(); while (pFeature != null) { DataRow dr = dt.NewRow(); for (int j = 0; j < pLayerFields.FieldCount; j++) { if (pLayerFields.FindField(pFeatureClass.ShapeFieldName) == j) { dr[j] = pFeatureClass.ShapeType.ToString(); } else { dr[j] =pFeature.get_Value(j); } } dt.Rows.Add(dr); pFeature = pFeatureCursor.NextFeature(); } dataGridView1.DataSource = dt; } catch (Exception exc) { MessageBox.Show("读取属性表失败:" + exc.Message); this.Dispose(); } finally { //this.Close(); } }

 



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TOCControl 打开图层属性表(转)

标签:.data   ==   field   ali   ESS   this   全局   event   属性表   

原文地址:https://www.cnblogs.com/hl137510705/p/9266587.html

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