UnityEditor.MemoryElement.GetRoot C# (CSharp) Method

        public MemoryElement GetRoot()
        {
            if (this.parent != null)
            {
                return this.parent.GetRoot();
            }
            return this;
        }

 public void MoveFirst()
 {
     if (m_Selected == null)
     {
         return;
     }
     if (m_Selected.parent == null)
     {
         return;
     }
     SetSelection(m_Selected.GetRoot().FirstChild());
 }