UnityEngine.UI.GemToggleGroup.RegisterToggle C# (CSharp) Method

        public void RegisterToggle(GemToggle toggle)
        {
            //following line used for testing
            //gm.LockAllGems ();

            // Will set  up gem system if hasnt been used before
            gm.CheckFirstGame ();

            //will unlock the default gems
            gm.UnlockGem (GemOneDefault);
            gm.UnlockGem (GemTwoDefault);

            if (PlayerPrefs.GetInt ("SpiderLevelScene") > 0) {
                gm.UnlockGem (Gem.Blue);
            }

            if (PlayerPrefs.GetInt ("HeightsLevelScene") > 0) {
                gm.UnlockGem (Gem.Turquoise);
            }

            if (PlayerPrefs.GetInt ("DarknessLevelScene") > 0) {
                gm.UnlockGem (Gem.Yellow);
            }

            if (PlayerPrefs.GetInt ("SpiderLevelScene") > 500 &&
                PlayerPrefs.GetInt ("HeightsLevelScene") > 500 &&
                PlayerPrefs.GetInt ("DarknessLevelScene") > 500) {
                gm.UnlockGem (Gem.Purple);
            }

            //will register the default selection to gem manager
            gm.SetDefaultSelection (GemOneDefault, GemTwoDefault);

            Debug.Log (gm.GetDefaultGemOne ().ToString () + "  default gem 1");
            Debug.Log (gm.GetDefaultGemTwo ().ToString () + "  default gem 2");

            toggle.isOn = false;
            toggle.LastGemSelected = false;

            //Will set gem toggle state for default gems
            if (toggle.AssociatedGem == gm.GetDefaultGemOne ()) {
                toggle.isOn = true;
                toggle.LastGemSelected = false;
            } else if (toggle.AssociatedGem == gm.GetDefaultGemTwo ()) {
                toggle.isOn = true;
                toggle.LastGemSelected = true;
            }

            if (!m_Toggles.Contains (toggle))
                m_Toggles.Add (toggle);
        }

        private void SetToggleGroup(GemToggleGroup newGroup, bool setMemberValue)
        {
            GemToggleGroup oldGroup = m_Group;

            // Sometimes IsActive returns false in OnDisable so don't check for it.
            // Rather remove the toggle too oftem than too little.
            if (m_Group != null)
            {
                m_Group.UnregisterToggle(this);
            }

            // At runtime the group variable should be set but not when calling this method from OnEnable or OnDisable.
            // That's why we use the setMemberValue parameter.
            if (setMemberValue)
            {
                m_Group = newGroup;
            }

            // Only register to the new group if this Toggle is active.
            if (m_Group != null && IsActive())
            {
                m_Group.RegisterToggle(this);
            }

            // If we are in a new group, and this toggle is on, notify group.
            // Note: Don't refer to m_Group here as it's not guaranteed to have been set.
            if (newGroup != null && newGroup != oldGroup && isOn && IsActive())
            {
                m_Group.NotifyToggleOn(this);
            }
        }