AUI XRC demo 1 500,300 wxVERTICAL wxEXPAND -1 25 3 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