wxDefaultValidator, _T("EXPBUTTON") );
this->Add( m_ExpansionButton, 1, wxALL | wxALIGN_LEFT | wxALIGN_TOP, 5 );
this->m_ButtonManager = new ButtonManager( buttonGroup );
wxDefaultValidator, _T("EXPBUTTON") );
this->Add( m_ExpansionButton, 1, wxALL | wxALIGN_LEFT | wxALIGN_TOP, 5 );
this->m_ButtonManager = new ButtonManager( buttonGroup );