C # arcengine Implement click Feature Highlighting and pop its properties

This article simulates the identify (recognition) function in ArcMap by clicking on the feature to highlight it and pop up its property sheet! This article only made a click query!

The environment used in this article is vs2010,aecengine based on the C # language, and the interface is made with Dev, which is slightly better than the Windows-brought form, with the following effects:

Main implementation code (under Axmapcontrol1_onmousedown):

1                         itopologicaloperator Ptopo;2 igeometry pgeometry;3 IFeature pfeature;4 Ifeaturelayer Pfeaturelayer;5 ifeaturecursor pcursor;6 Ispatialfilter PFilter;7 DataTable DataTable;8                         9                          for(inti =0; i < AxMapControl1.Map.LayerCount; i++)Ten                         { One                              APPoint =NewPointclass (); - ppoint.putcoords (E.MAPX, e.mapy); -Ptopo = PPoint asItopologicaloperator; -                             DoubleM_radius =1; -Pgeometry = Ptopo.buffer (M_radius); +                             if(Pgeometry = =NULL) -                                 Continue; +AxMapControl1.Map.SelectByShape (Pgeometry,NULL, True);//The third parameter is whether to select only one AAxmapcontrol1.refresh (Esriviewdrawphase.esriviewgeoselection,NULL,NULL);//highlight highlighting for selected features atPFilter =NewSpatialfilterclass (); -Pfilter.spatialrel =esrispatialrelenum.esrispatialrelintersects; -Pfilter.geometry =Pgeometry; -Pfeaturelayer = AxMapControl1.Map.get_Layer (i) asIfeaturelayer; -Pcursor = Pfeaturelayer.search (PFilter,false); inPfeature =pcursor.nextfeature (); -                             stringFieldName; to                             if(Pfeature! =NULL) -                             { the                                 if(application.openforms["Otherqueryform"] ==NULL) *                                 { $Otherqueryform =Newotherqueryform ();Panax Notoginseng Otherqueryform. Show (); -                                 } the                                 Else +                                 { Aapplication.openforms["Otherqueryform"]. Show (); the }//here the main control subform does not pop up repeatedly -DataTable =NewDataTable (); $                                  for(intK =0; K <2; k++) $                                 { -                                     if(k = =0) -                                     { theDATATABLE.COLUMNS.ADD ("Properties"); -                                     }Wuyi                                     if(k = =1) the                                     { -DATATABLE.COLUMNS.ADD ("value"); Wu                                     } -                                 } About DataRow DataRow; $                                  for(intj =0; J < PFeature.Fields.FieldCount; J + +) -                                 { -DataRow =Datatable.newrow (); -                                      for(intm =0; M <2; m++) A                                     { +                                         if(M = =0) the                                         { -FieldName =PFeature.Fields.get_Field (j). Name; $DATAROW[M] =FieldName; the                                         } the                                         if(M = =1) the                                         { the                                             if(PFeature.Fields.get_Field (j). Name = ="Shape") -                                             { in                                                 if(PFeature.Shape.GeometryType = =ESRI. ArcGIS.Geometry.esriGeometryType.esriGeometryPoint) the                                                 { theDATAROW[M] ="Point"; About                                                 } the                                                 if(PFeature.Shape.GeometryType = =ESRI. ArcGIS.Geometry.esriGeometryType.esriGeometryPolyline) the                                                 { theDATAROW[M] ="Line"; +                                                 } -                                                 if(PFeature.Shape.GeometryType = =ESRI. ArcGIS.Geometry.esriGeometryType.esriGeometryPolygon) the                                                 {BayiDATAROW[M] ="face"; the                                                 } the                                             } -                                             Else -                                             { theDATAROW[M] =Pfeature.get_value (j). ToString (); the                                             } the                                         } the                                     } - DataTable.Rows.Add (DataRow); the                                 } theOtherqueryform.dataGridView1.DataSource =dataTable; theOtherqueryform.layername_dev. Text =Pfeaturelayer.name;94 Otherqueryform.dataGridView1.Refresh (); thePfeature =NULL; the                                  Break; the                             } About}

C # arcengine Implement click Feature Highlighting and pop its properties