arcengine 捕捉笔记

IEngineEditor pEngineEditor=new EngineEditor();

//Get the snap enviroment from editor

IEngineSnapEnviroment psnapEnvironment = pEngineEditor as IEngineSnapEnviorment();

if(pSnapEnvironment.SnapAgentCount==0)

{

IEngineFeatureSnapAgent pFeatureSnapAgent=new EngineFeatureAgent();

pFeatureSnapAgent.FeatureClass=pFeatureClass;

psnapEnvironment.AddSnapAgent(pFeatureSnapAgent);

}

psnapEnvironment.SnapToleranceUnits=esriEngineToleranceUnits.esriEngineTolerancePixels;

psnapEnviroment.SnapTolerance=10;

IEngineEditorProperties pEnginePro=pEngineEditor as IEngineEditProperties2;

pEginePro.SnapTips=true;

//用法 MoveMove下

IEngineSnapEnviroment psnapEnvironment = pEngineEditor as IEngineSnapEnviorment();

psnapEnvironment .SnapPoint(Point);

//0------------------------------------------------------简便高级的另外的一种捕捉 不需要打开编辑 效果同arcmap一致-----------------------------

using System;
using System.Drawing;
using System.Runtime.InteropServices;
using ESRI.ArcGIS.ADF.BaseClasses;
using ESRI.ArcGIS.ADF.CATIDs;
using ESRI.ArcGIS.Controls;
using System.Windows.Forms;
using ESRI.ArcGIS.Geometry;
using ESRI.ArcGIS.Display;
using ESRI.ArcGIS.esriSystem;

namespace WindowsFormsApplication1.tool
{
    /// <summary>
    /// Summary description for SnapTool.
    /// </summary>
    [Gui