UnityEditor.GUISlideGroup.SlideGroupInternal.SetID C# (CSharp) Method

            public void SetID(GUISlideGroup owner, int id)
            {
                this.m_ID = id;
                this.m_Owner = owner;
            }

 public Rect BeginHorizontal(int id, params GUILayoutOption[] options)
 {
     GUISlideGroup.SlideGroupInternal slideGroupInternal = (GUISlideGroup.SlideGroupInternal)GUILayoutUtility.BeginLayoutGroup(GUIStyle.none, options, typeof(GUISlideGroup.SlideGroupInternal));
     slideGroupInternal.SetID(this, id);
     slideGroupInternal.isVertical = false;
     return(slideGroupInternal.m_FinalRect);
 }