+ bool IsCheck() const { return m_kind == wxITEM_CHECK; }
+ bool IsRadio() const { return m_kind == wxITEM_RADIO; }
+
+ virtual void SetCheckable(bool checkable)
+ { m_kind = checkable ? wxITEM_CHECK : wxITEM_NORMAL; }
+
+ // Notice that this doesn't quite match SetCheckable().