+ // common part of all ctors
+ void Init();
+
+ // the positions of the first and last items of the radio group this item
+ // belongs to or -1: start is the radio group start and is valid for all
+ // but first radio group items (m_isRadioGroupStart == false), end is valid
+ // only for the first one
+ union
+ {
+ int start;
+ int end;
+ } m_radioGroup;
+
+ // does this item start a radio group?
+ bool m_isRadioGroupStart;
+
+ DECLARE_DYNAMIC_CLASS_NO_COPY(wxMenuItem)