protected void OnDisable()
{
#if USE_EXIT_WORKAROUND_FOGBUGZ_1062258
EditorApplication.wantsToQuit -= Quitting_Workaround;
#endif
if (graphView != null)
{
graphView.UnregisterCallback <AttachToPanelEvent>(OnEnterPanel);
graphView.UnregisterCallback <DetachFromPanelEvent>(OnLeavePanel);
graphView.controller = null;
}
currentWindow = null;
}