WinCompose.Updater.Get C# (CSharp) Method

    public static string Get(string key)
    {
        string ret = null;
        m_data.TryGetValue(key, out ret);
        return ret;
    }

        private void OnCommand(object o)
        {
            switch (o as MenuCommand?)
            {
            case MenuCommand.ShowSequences:
                m_sequencewindow = m_sequencewindow ?? new SequenceWindow();
                m_sequencewindow.Show();
                m_sequencewindow.Activate();
                break;

            case MenuCommand.ShowOptions:
                m_optionswindow = m_optionswindow ?? new SettingsWindow();
                m_optionswindow.Show();
                m_optionswindow.Activate();
                break;

            case MenuCommand.DebugWindow:
                m_debugwindow = m_debugwindow ?? new DebugWindow();
                m_debugwindow.Show();
                m_debugwindow.Activate();
                break;

            case MenuCommand.About:
                m_about_box = m_about_box ?? new AboutBox();
                m_about_box.Show();
                m_about_box.Activate();
                break;

            case MenuCommand.Download:
                var url = Utils.IsInstalled ? Updater.Get("Installer")
                                                : Updater.Get("Portable");
                Process.Start(url);
                break;

            case MenuCommand.VisitWebsite:
                Process.Start("http://wincompose.info/");
                break;

            case MenuCommand.DonationPage:
                Process.Start("http://wincompose.info/donate/");
                break;

            case MenuCommand.Exit:
                Application.Current.Shutdown();
                break;
            }
        }