ChronopicWindow.on_combo_changed C# (CSharp) Méthode

    private void on_combo_changed(object o, EventArgs args)
    {
        ComboBox combo = o as ComboBox;
        if (o == null)
            return;

        //combo is not sensitive when it has been connected
        //this helps to have button_connect with correct sensitiveness after close window
        //also help to not have lots of callbacks coming here about encoder combos
        if(! combo.Sensitive)
            return;

        bool portOk = true;
        if(UtilGtk.ComboGetActive(combo) == Constants.ChronopicDefaultPortWindows ||
                UtilGtk.ComboGetActive(combo) == Constants.ChronopicDefaultPortLinux)
            portOk = false;

        if (o == combo_linux1 || o == combo_windows1)
            button_connect_cp1.Sensitive = portOk;
        else if (o == combo_linux2 || o == combo_windows2)
            button_connect_cp2.Sensitive = portOk;
        else if (o == combo_linux3 || o == combo_windows3)
            button_connect_cp3.Sensitive = portOk;
        else if (o == combo_linux4 || o == combo_windows4)
            button_connect_cp4.Sensitive = portOk;
        else if (o == combo_windows_encoder) {
            combo_windows_encoder.Changed -= new EventHandler (on_combo_changed);
            encoderPort = UtilGtk.ComboGetActive(combo);
        } else if (o == combo_linux_encoder) {
            combo_linux_encoder.Changed -= new EventHandler (on_combo_changed);
            encoderPort = UtilGtk.ComboGetActive(combo);
        }
    }