UnityEditor.Selection.GetTransforms C# (CSharp) Method

        public static extern Transform[] GetTransforms(SelectionMode mode);
        private static void Internal_CallSelectionChanged()

        private void UpdateSelection()
        {
            var selection = Selection.GetTransforms(SelectionMode.Unfiltered);

            m_TemporarySelection.Clear();

            // Adds rendered transforms that are not part of the m_LockedObjects set
            foreach (var tr in m_TransformsToRender)
            {
                if (!m_LockedObjects.ContainsKey(tr.Transform))
                {
                    m_TemporarySelection.Add(tr.Transform);
                }
            }

            var addedTransforms   = selection.Except(m_TemporarySelection);
            var removedTransforms = m_TemporarySelection.Except(selection);

            foreach (var tr in addedTransforms)
            {
                var newItem = new RenderedTransform(tr);

                if (!m_TransformsToRender.Contains(newItem) && newItem.HasBody)
                {
                    m_TransformsToRender.Add(newItem);
                }
            }

            foreach (var tr in removedTransforms)
            {
                if (!m_LockedObjects.ContainsKey(tr))
                {
                    m_TransformsToRender.Remove(tr);
                }
            }

            Repaint();
        }