private void ViewMenu_Execute_Click(object sender, EventArgs e)
 {
     /*/
      * var rows = APIView.SelectedRows.Cast<DataGridViewRow>().OrderBy( r => r.Cells[APIView_FileName.Index].Value );
      *
      * foreach ( DataGridViewRow row in rows ) {
      *      ExecuteAPI( (string)row.Cells[APIView_FileName.Index].Value );
      * }
      * /*/
     if (!APICaller.IsBusy)
     {
         APICaller.RunWorkerAsync(APIView.SelectedRows.Cast <DataGridViewRow>().Select(row => row.Cells[APIView_FileName.Index].Value as string).OrderBy(s => s));
     }
     else
     if (MessageBox.Show("既に実行中です。\n中断しますか?", "確認", MessageBoxButtons.YesNo, MessageBoxIcon.Exclamation)
         == System.Windows.Forms.DialogResult.Yes)
     {
         APICaller.CancelAsync();
     }
     //*/
 }