+ // m_label stores label in case of wxButton, wxCheckBox, wxToggleButton etc.
+ // We must ensure that it persists for as long as it is being displayed
+ // (that is, for as long as the control is displayed or until we call
+ // CtlSetLabel() with a new string), and we must free the string after
+ // it is no longer in use (typically after the form containing the
+ // control is freed).
+ wxString m_label;
+