- _file = new wxButton (this, wxID_ANY, _("(None)"), wxDefaultPosition, size, wxBU_LEFT);
- _sizer->Add (_file, 1, wxEXPAND | wxALL, 6);
+ _file = new Button (this, _("(None)"), wxDefaultPosition, size, wxBU_LEFT);
+ _sizer->Add (_file, 1, wxEXPAND, 0);