wxChoice *wxchoice = new wxChoice ( panel , -1, wxDefaultPosition,wxSize(sizeX,sizeY));
itemcontainer=wxchoice;
sizer->Add( wxchoice,1,wxGROW );
wxChoice *wxchoice = new wxChoice ( panel , -1, wxDefaultPosition,wxSize(sizeX,sizeY));
itemcontainer=wxchoice;
sizer->Add( wxchoice,1,wxGROW );