private void LoadExpandedState()
{
int[] intArray = SessionState.GetIntArray(AudioMixerGroupTreeView.GetUniqueAudioMixerName(this.m_Controller), null);
if (intArray != null)
{
this.m_AudioGroupTreeState.expandedIDs = new List <int>(intArray);
}
else
{
this.m_AudioGroupTree.state.expandedIDs = new List <int>();
this.m_AudioGroupTree.data.SetExpandedWithChildren(this.m_AudioGroupTree.data.root, true);
}
}