ArcEngine数据操作之shape数据操作

 

/// <summary>

         /// shape数据加载

         /// </summary>

         /// <param name="sender"></param>

         /// <param name="e"></param>

         private void mnuFile_4_1_Click(object sender, System.EventArgs e)

         {

              //this.openFileDialog1.FilterIndex =1;

              this.openFileDialog1.Filter="ShapeFile(*.shp)|*.shp";

              //定义文件名称

              string filePath=null;

              if(this.openFileDialog1.ShowDialog()==DialogResult.OK )

              {

                   filePath=this.openFileDialog1.FileName;

              }

              else

              {

                   return;

              }

              //如果shape文件名称不为空则加载文档数据

              if(filePath!=null && filePath.Length >0)

              {

                   string pathToWorkspace = System.IO.Path.GetDirectoryName(filePath) ;

                   string shapefileName = System.IO.Path.GetFileNameWithoutExtension(filePath);

                  //============================================================================

                   //获取FeatureClass

                   IFeatureClass pFClass=null;

                   IFeatureWorkspace pFWS;

                   try

                   {

                       IWorkspaceFactory pWSFact=new ShapefileWorkspaceFactoryClass();

                       //打开shape文件所在的工作空间

                       IWorkspace pWS=pWSFact.OpenFromFile(pathToWorkspace,0);

                       //转换为IFeatureWorkspace对象

                       pFWS = pWS as IFeatureWorkspace;

                       //根据shape文件名称打开shape文件

                       pFClass=pFWS.OpenFeatureClass(shapefileName);

                       //获取IFeatureLayer对象

                       IFeatureLayer pLayer=new FeatureLayerClass();

                       pLayer.FeatureClass=pFClass;

                       //

                       IDataset pDataset=pFClass as IDataset;

                       pLayer.Name=pDataset.Name;

                       //将图层加入Map对象中

                       this.axMapControl1.AddLayer(pLayer,0);

 

                   }

                   catch(Exception ex)

                   {

                       MessageBox.Show(ex.Message);

                      

                   }

 

              }

         }