Returns the window associated with this event, that is the window which had the focus before for the wxEVT_SET_FOCUS event and the window which is going to receive focus for the wxEVT_KILL_FOCUS one.
Returns the window associated with this event, that is the window which had the focus before for the wxEVT_SET_FOCUS event and the window which is going to receive focus for the wxEVT_KILL_FOCUS one.