DesktopHelper.UI.Adapter.UpdateMenuItem_Click C# (CSharp) Метод

        private void UpdateMenuItem_Click(object sender, EventArgs e)
        {
            try
            {
                check = new CheckUpdate();
                if (check.IsConnectedInternet())
                {
                    if (check.Download())
                    {
                        if (check.HasNewVersion())
                        {
                            updateForm = UpdateForm.GetInstance(check.NewVersion);
                            updateForm.CloseHandlor += new UpdateForm.CloseHandler(CloseDeskHelper);
                            updateForm.ShowForm();
                        }
                        else//HasNewVersion()
                        {
                            MessageBox.Show("已经是最新版本");
                        }
                    }
                    else//Download()
                    {
                        MessageBox.Show("已经是最新版本");
                    }
                }
                else//IsConnectedInternet()
                {
                    MessageBox.Show("本机没有连接互联网");
                }
            }
            catch
            {
            }
        }