AE TXT生成点shp与点Shp生成TIN

AE 使用C#将TXT文件信息生成矢量数据（点shp）然后将点Shp生成TIN（shp面数据），生成TIN是源码，没有调用AE的ITIN

using System;
using System.Collections.Generic;
using System.Text;
using System.IO;
using Path = System.IO.Path;

using ESRI.ArcGIS.esriSystem;
using ESRI.ArcGIS.Carto;
using ESRI.ArcGIS.Controls;
using ESRI.ArcGIS.ADF;
using ESRI.ArcGIS.SystemUI;
using ESRI.ArcGIS.Geodatabase;
using ESRI.ArcGIS.DataSourcesFile;
using ESRI.ArcGIS.Geometry;
using ESRI.ArcGIS.Display;
using System.Windows.Forms;

namespace Task
{
    public class AEOperation
    {
        public static int FeatureCount（IFeaturelayer pFeatureLyr）
        {
            ITable pTable = pFeatureLyr.FeatureClass as ITable;
            return pTable.RowCount（null）;
        }

        public static int GetlayerByName（AxMapControl mapctrl string layerName）
        {
            for （int i = 0; i < mapctrl.layerCount; i++）
            {
                if （mapctrl.get_layer（i）.Name == layerName）
                    return i;
            }
            return -1;
        }

        public static void AddPoints（List points IFeaturelayer pFeatureLyr）
        {
            IFeatureClass pFeatureClass = pFeatureLyr.FeatureClass;
            IDataset pDataset = pFeatureClass as IDataset;
            IWorkspace pWorkspace = pDataset.Workspace;
            IWorkspaceEdit pWorkspaceEdit = pWorkspace as IWorkspaceEdit;
            pWorkspaceEdit.StartEditing（false）;
            pWorkspaceEdit.StartEditOperation（）;
            foreach （IPoint p in points）
            {
                IFeatureCursor pFeatureCursor = pFeatureClass.Insert（true）;
                IFeatureBuffer pFeatureBuffer = pFeatureClass.CreateFeatureBuffer（）;
                IGeometry pGeometry = p as IGeometry;
                IFeature pFeature = pFeatureBuffer as IFeature;
                pFeature.Shape = pGeometry;
                pFeatureCursor.InsertFeature（pFeatureBuffer）;
            }
            pWorkspaceEdit.StopEditOperation（）;
            pWorkspaceEdit.StopEditing（true）;
            ISimpleMarkerSymbol pSMSymbol = new SimpleMarkerSymbolClass（）;
            pSMSymbol.Size = 5;
            IRgbColor rgbColor = new RgbColorClass（）;
            rgbColor.Red = 255;
            rgbColor.Green = 0;
            rgbColor.Green = 0;
            pSMSymbol.Color = rgbColor;
            pSMSymbol.style = esriSimpleMarkerstyle.esriSMSCircle;
            ISimpleRenderer pSRenderer = new SimpleRendererClass（）;
            pSRenderer.Symbol = pSMSymbol as ISymbol;
            （pFeatureLyr as IGeoFeaturelayer）.Renderer = pSRenderer as IFeatureRenderer;
        }

        public static void FeatureDelete（IFeaturelayer pFeatureLyr）
        {
            IFeatureClass pFeatureClass = pFeatureLyr.FeatureClass;
            IFeatureCursor pFeatureCursor = pFeatureClass.Search（null false）;
            IFeature pFeature = pFeatureCursor.NextFeature（）;
            while （pFeature != null）
            {
                pFeature.Delete（）;
                pFeature

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2018-09-06 09:10  Task\
     文件        2715  2018-08-31 11:35  Task\data.txt
     目录           0  2018-09-01 19:51  Task\Task\
     文件         854  2018-08-31 08:38  Task\Task.sln
     文件       38912  2018-09-03 09:44  Task\Task.suo
     文件       83456  2018-09-06 09:09  Task\Task.v11.suo
     文件       42385  2018-09-04 17:34  Task\Task\AEOperation.cs
     文件        2238  2018-08-31 08:38  Task\Task\App.ico
     目录           0  2018-08-31 08:38  Task\Task\bin\
     目录           0  2018-09-06 09:09  Task\Task\bin\Debug\
     文件        1676  2018-09-06 09:09  Task\Task\bin\Debug\information.txt
     文件       63488  2018-09-06 09:08  Task\Task\bin\Debug\Task.exe
     文件      112128  2018-09-06 09:08  Task\Task\bin\Debug\Task.pdb
     文件       22984  2018-09-06 09:09  Task\Task\bin\Debug\Task.vshost.exe
     文件         490  2013-06-18 20:28  Task\Task\bin\Debug\Task.vshost.exe.manifest
     目录           0  2018-08-31 08:38  Task\Task\bin\Release\
     文件        3869  2018-08-31 15:23  Task\Task\CreateNewDocument.cs
     文件        2238  2018-08-31 08:38  Task\Task\Earth.ico
     文件        2950  2018-09-06 09:08  Task\Task\Login.cs
     文件        8179  2018-09-01 20:13  Task\Task\Login.Designer.cs
     文件        5817  2018-09-01 20:13  Task\Task\Login.resx
     文件       44321  2018-09-06 09:08  Task\Task\MainForm.cs
     文件       13998  2018-09-06 08:26  Task\Task\MainForm.Designer.cs
     文件       16784  2018-09-06 08:26  Task\Task\MainForm.resx
     目录           0  2018-08-31 08:38  Task\Task\obj\
     目录           0  2018-08-31 08:38  Task\Task\obj\x86\
     目录           0  2018-09-06 09:08  Task\Task\obj\x86\Debug\
     文件      257544  2018-09-03 10:52  Task\Task\obj\x86\Debug\DesignTimeResolveAssemblyReferences.cache
     文件        8172  2018-09-03 10:52  Task\Task\obj\x86\Debug\DesignTimeResolveAssemblyReferencesInput.cache
     文件        1137  2018-09-06 09:09  Task\Task\obj\x86\Debug\Task.csproj.FileListAbsolute.txt
     文件        1036  2018-09-06 08:29  Task\Task\obj\x86\Debug\Task.csproj.GenerateResource.Cache
............此处省略21个文件信息