void onKillFocus(wxFocusEvent &event)
FocusTrackingTextCtrl(wxWindow *parent, wxWindowID id, const wxString &value=_T(""), const wxPoint &pos=wxDefaultPosition, const wxSize &size=wxDefaultSize, long style=0, const wxValidator &validator=wxDefaultValidator, const wxString &name=_T("FocusTrackingTextCtrl"))