arcengine主要功能源码

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1、usingSystem;usingSystem.IO;usingSystem.Windows.Forms;usingESRI.ArcGIS.Carto;usingESRI.ArcGIS.Controls;usingESRI.ArcGIS.DataSourcesFile;usingESRI.ArcGIS.DataSourcesGDB;usingESRI.ArcGIS.DataSourcesRaster;usingESRI.ArcGIS.Display;usingESRI.ArcGIS.esriSystem;usingESRI.ArcGIS

2、.Geodatabase;usingESRI.ArcGIS.Geometry;usingESRI.ArcGIS.SystemUI;namespaceMapOperation{publicpartialclassFormMain:Form{#region变量定义//地图导出窗体privateFormExportMapfrmExpMap=null;//长度、面积量算privateFormMeasureResultfrmMeasureResult=null;//量算结果窗体privateINewLineFeedbackpNewLineFeed

3、back;//追踪线对象privateINewPolygonFeedbackpNewPolygonFeedback;//追踪面对象privateIPointpPointPt=null;//鼠标点击点privateIPointpMovePt=null;//鼠标移动时的当前点privatedoubledToltalLength=0;//量测总长度privatedoubledSegmentLength=0;//片段距离privateIPointCollectionpAreaPointCol=newMultipointClass();//面积量

4、算时画的点进行存储；privatestringsMapUnits="未知单位";//地图单位变量privateobjectmissing=Type.Missing;//TOC菜单IFeatureLayerpTocFeatureLayer=null;//点击的要素图层privateFormAtrributefrmAttribute=null;//图层属性窗体privateILayerpMoveLayer;//需要调整显示顺序的图层privateinttoIndex;//存放拖动图层移动到的索引号//鹰眼同步privateboolbCanD

5、rag;//鹰眼地图上的矩形框可移动的标志privateIPointpMoveRectPoint;//记录在移动鹰眼地图上的矩形框时鼠标的位置privateIEnvelopepEnv;//记录数据视图的Extent#endregion#region初始化publicFormMain(){InitializeComponent();axTOCControl.SetBuddyControl(mainMapControl);EagleEyeMapControl.Extent=mainMapControl.FullExtent;pEnv=Eag

6、leEyeMapControl.Extent;DrawRectangle(pEnv);}#endregion#region数据加载#regionLoadMxFile方法加载地图文档文件privatevoidbtnLoadMxFile_Click(objectsender,EventArgse){//加载数据前如果有数据则清空try{OpenFileDialogpOpenFileDialog=newOpenFileDialog();pOpenFileDialog.CheckFileExists=true;pOpenFileDialog.T

7、itle="打开地图文档";pOpenFileDialog.Filter="ArcMap文档(*.mxd)

8、*.mxd;

9、ArcMap模板(*.mxt)

10、*.mxt

11、发布地图文件(*.pmf)

12、*.pmf

13、所有地图格式(*.mxd;*.mxt;*.pmf)

14、*.mxd;*.mxt;*.pmf";pOpenFileDialog.Multiselect=false;//不允许多个文件同时选择pOpenFileDialog.RestoreDirectory=true;//存储打开的文件路径if(pOpenFileDialog.ShowDial

15、og()==DialogResult.OK){stringpFileName=pOpenFileDialog.FileName;if(pFileName==""){return;}if(mainMapCon