AppTemplate.Controls.SplitViewPaneMenu.InvokeItem C# (CSharp) Method

        private void InvokeItem(object item)
        {
            var lvi = item as ListViewItem;

            var isAlreadySelected = lvi != null && lvi.IsSelected;

            this.SetSelected(lvi);

            if (!isAlreadySelected)
            {
                this.ItemInvoked?.Invoke(this, item as ListViewItem);
            }

            if (this._parent.IsPaneOpen
                && (this._parent.DisplayMode == SplitViewDisplayMode.CompactOverlay
                    || this._parent.DisplayMode == SplitViewDisplayMode.Overlay))
            {
                this._parent.IsPaneOpen = false;

                var viewItem = item as ListViewItem;
                viewItem?.Focus(FocusState.Programmatic);
            }
        }