UnityEditor.AudioGroupDataSource.FetchData C# (CSharp) Method

        public override void FetchData()
        {
            if (this.m_Controller == null)
            {
                base.m_RootItem = null;
            }
            else if (this.m_Controller.masterGroup == null)
            {
                Debug.LogError("The Master group is missing !!!");
                base.m_RootItem = null;
            }
            else
            {
                int uniqueNodeID = GetUniqueNodeID(this.m_Controller.masterGroup);
                base.m_RootItem = new AudioMixerTreeViewNode(uniqueNodeID, 0, null, this.m_Controller.masterGroup.name, this.m_Controller.masterGroup);
                this.AddNodesRecursively(this.m_Controller.masterGroup, base.m_RootItem, 1);
                base.m_NeedRefreshRows = true;
            }
        }