Method OnListBoxLeftKeyDown
OnListBoxLeftKeyDown(KeyEventArgs)
Handles the behavior when the left arrow key in the inner list box.
protected virtual void OnListBoxLeftKeyDown(KeyEventArgs e)
Parameters
eKeyEventArgsThe KeyEventArgs instance containing the event data.
Remarks
If the currently selected item is expanded and has child items, this method collapses the item. If the selected item is not expandable or already collapsed, the parent item (if available) is selected instead. The event is marked as handled in both cases.