リストビューの項目取得、書込みの方法を御教授願います

#pragma endregion

 private: System::Void toolStripButton1_Click(System::Object^  sender, System::EventArgs^  e) {

  using ::System::Windows::Forms::DialogResult; 



  unsigned char arg_1, arg_2;



  unsigned char arg_3, arg_4;



  unsigned char arg_5;

  

  void command_word(unsigned char arg_1, unsigned char arg_2);



  void parameter(unsigned char arg_3, unsigned char arg_4);



  OpenFileDialog^ openFileDialog1 = gcnew OpenFileDialog;

  openFileDialog1->InitialDirectory = "C:\\data";

  openFileDialog1->Filter = "全てのファイルAll files (*.*)|*.*";

  openFileDialog1->FilterIndex = 2;

  openFileDialog1->RestoreDirectory = true;



  //複数のファイルを選択できるようにする

  openFileDialog1->Multiselect = true;

  

  if ( openFileDialog1->ShowDialog() == ::DialogResult::OK )

   {

    listView1->Items->Clear();

    for each ( String^ file in openFileDialog1->FileNames )

     {

      IO::BinaryReader^ binReader = gcnew IO::BinaryReader( IO::File::OpenRead( file ) );

      binReader->BaseStream->Position = 0;

      try

      {

       arg_1 = binReader->ReadByte();

       arg_2 = binReader->ReadByte();

       arg_3 = binReader->ReadByte();

       arg_4 = binReader->ReadByte();

       arg_5 = binReader->ReadByte();

      }

      catch ( EndOfStreamException^ e ){MessageBox::Show( "Error: 読込エラーが起きました", e->ToString());

      }

      finally

      {

       binReader->Close();

      }

       command_word(arg_1, arg_2);

      

       parameter(arg_3, arg_4);

              

       int iomega = file->LastIndexOf( L'\\' );

      

       String^ fname = file->Substring( iomega );

      

       String^ com = gcnew String( command );

      

       String^ par = gcnew String( param );

      

       String^ ver = gcnew String( version );

      

       String^ dev = gcnew String( device );

      

       String^ seq =  arg_5.ToString("X2") + "h";

      

       String^ hex_1 = System::String::Format("{0:X2} ", arg_1);

       String^ hex_2 = System::String::Format("{0:X2} ", arg_2);

       String^ hex_3 = System::String::Format("{0:X2} ", arg_3);

       String^ hex_4 = System::String::Format("{0:X2} ", arg_4);

       String^ hex_5 = System::String::Format("{0:X2} ", arg_5);

       String^ hex = hex_1 + hex_2 + hex_3 + hex_4 + hex_5;

       array< String^ >^ item = { fname, com, par, ver, dev, seq, hex };

       listView1->Items->Add( gcnew ListViewItem( item ) );

     }

    }

   }