AUI XRC demo 1 -1,300 wxVERTICAL Just a combobox in the aui toolbar wxEXPAND Notice the wxAuiToolBar added above this wxAuiNotebook wxEXPAND The wxAuiNotebook pages are added by XRC wxEXPAND wxEXPAND 1 wxTOP|wxBOTTOM|wxALIGN_CENTRE 10