long m_IDExpButton; //!<ID of "+""-" expansion button.
ExpansionButton* m_ExpansionButton; //!<The expansion button.
ButtonManager* m_ButtonManager; //!<The button manager.
long m_IDExpButton; //!<ID of "+""-" expansion button.
ExpansionButton* m_ExpansionButton; //!<The expansion button.
ButtonManager* m_ButtonManager; //!<The button manager.