void OnDisable()
 {
     m_CurveEditor.OnDisable();
     if (s_SharedMinMaxCurveEditor == this)
     {
         s_SharedMinMaxCurveEditor = null;
     }
 }
 void OnEnable()
 {
     if (s_SharedMinMaxCurveEditor && s_SharedMinMaxCurveEditor != this)
     {
         s_SharedMinMaxCurveEditor.Close();
     }
     s_SharedMinMaxCurveEditor = this;
     Init(null);
 }