IFeatureClass_CreateFeature_Example



代码

   
     

    
      
    
      public
    
       
    
      void
    
       IFeatureClass_CreateFeature_Example(IFeatureClass featureClass) 
 { 
 
    
      //
    
      Function is designed to work with polyline data 
    
      

    
       
    
      if
    
       (featureClass.ShapeType 
    
      !=
    
       ESRI.ArcGIS.Geometry.esriGeometryType.esriGeometryPolyline) 
 { 
 
    
      return
    
      ; 
 }
 
    
      //
    
      create a geometry for the features shape 
    
      

    
       ESRI.ArcGIS.Geometry.IPolyline polyline 
    
      =
    
       
    
      new
    
       ESRI.ArcGIS.Geometry.PolylineClass(); 
 ESRI.ArcGIS.Geometry.IPoint point 
    
      =
    
       
    
      new
    
       ESRI.ArcGIS.Geometry.PointClass(); 
 point.X 
    
      =
    
       
    
      0
    
      ; 
 point.Y 
    
      =
    
       
    
      0
    
      ; 
 polyline.FromPoint 
    
      =
    
       point;
 point 
    
      =
    
       
    
      new
    
       ESRI.ArcGIS.Geometry.PointClass(); 
 point.X 
    
      =
    
       
    
      10
    
      ; point.Y 
    
      =
    
       
    
      10
    
      ; 
 polyline.ToPoint 
    
      =
    
       point;
 IFeature feature 
    
      =
    
       featureClass.CreateFeature();
 
    
      //
    
      Apply the constructed shape to the new features shape 
    
      

    
       feature.Shape 
    
      =
    
       polyline;
 ISubtypes subtypes 
    
      =
    
       (ISubtypes)featureClass; 
 IRowSubtypes rowSubtypes 
    
      =
    
       (IRowSubtypes)feature; 
 
    
      if
    
       (subtypes.HasSubtype)
 
    
      //
    
       does the feature class have subtypes? 
    
      

    
       { 
 rowSubtypes.SubtypeCode 
    
      =
    
       
    
      1
    
      ;
 
    
      //
    
      in this example 1 represents the Primary Pipeline subtype 
    
      

    
       }
 
    
      //
    
       initalize any default values that the feature has 
    
      

    
       rowSubtypes.InitDefaultValues();
 
    
      //
    
      Commit the default values in the feature to the database 
    
      

    
       feature.Store();
 
    
      //
    
      update the value on a string field that indicates who installed the feature. 
    
      

    
       feature.set_Value(feature.Fields.FindField(
    
      "
    
      InstalledBy
    
      "
    
      ), 
    
      "
    
      K Johnston
    
      "
    
      );
 
    
      //
    
      Commit the updated values in the feature to the database 
    
      

    
       feature.Store(); 
 }