ComponentFactory.Krypton.Toolkit.KryptonListBox.OnListBoxSelectedIndexChanged C# (CSharp) Method

        private void OnListBoxSelectedIndexChanged(object sender, EventArgs e)
        {
            switch (_listBox.SelectionMode)
            {
                case SelectionMode.One:
                    if (_lastSelectedIndex != _listBox.SelectedIndex)
                    {
                        _lastSelectedIndex = _listBox.SelectedIndex;
                        UpdateStateAndPalettes();
                        _listBox.Invalidate();
                        OnSelectedIndexChanged(e);
                    }
                    break;
                case SelectionMode.MultiSimple:
                case SelectionMode.MultiExtended:
                    if (SelectedIndicesChanged(_lastSelectedColl, _listBox.SelectedIndices))
                    {
                        // Clone the selected index collection
                        _lastSelectedColl = new int[_listBox.SelectedIndices.Count];
                        _listBox.SelectedIndices.CopyTo(_lastSelectedColl, 0);

                        UpdateStateAndPalettes();
                        _listBox.Invalidate();
                        OnSelectedIndexChanged(e);
                    }
                    break;
            }
        }