UnityEditor.AudioMixerGroupSelector.TreeViewDataSourceForMixers.GetGroup C# (CSharp) Method

            public AudioMixerGroupController GetGroup(int instanceID)
            {
                TreeViewItem item = base.m_TreeView.FindNode(instanceID);
                if (item != null)
                {
                    return (AudioMixerGroupController) item.userData;
                }
                return null;
            }

 private AudioMixerGroupController GetGroupByID(int id)
 {
     AudioMixerGroupSelector.TreeViewDataSourceForMixers treeViewDataSourceForMixers = this.m_TreeView.data as AudioMixerGroupSelector.TreeViewDataSourceForMixers;
     return(treeViewDataSourceForMixers.GetGroup(id));
 }