+ 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 m_nStart;
+ int m_nEnd;
+ } m_vRadioGroup;
+
+ //
+ // Does this item start a radio group?
+ //
+ bool m_bIsRadioGroupStart;
+