anchor.diff:      %% XXX: semi-hack, custom width, default height (-1)
       Ref =  wxTextCtrl:new(Parent, ?wxID_ANY, [{size, {170, -1}}]),
       HorizSizer = wxBoxSizer:new(?wxHORIZONTAL),
  -    wxSizer:add(HorizSizer,
  -                wxStaticText:new(Parent, ?wxID_ANY,
  -                                 io_lib:format("Arg~p: ", [I + 1])),
  -		[{proportion, 0}, {flag, ?wxALIGN_CENTER bor ?wxRIGHT},
  -                 {border, 5}]),
  -    wxSizer:add(HorizSizer, Ref, [{proportion, 1},
  -                                  {flag, ?wxALIGN_CENTER bor ?wxALL},
  -                                  {border, 0}]),
  -    wxSizer:add(Sizer, HorizSizer, [{proportion, 0},
  -                                    {flag, ?wxEXPAND bor ?wxALL},
  -                                    {border, 10}]),
  +    _ = wxSizer:add(HorizSizer,
  +		    wxStaticText:new(Parent, ?wxID_ANY,
  +				     io_lib:format("Arg~p: ", [I + 1])),
  +		    [{proportion, 0}, {flag, ?wxALIGN_CENTER bor ?wxRIGHT},
  +		     {border, 5}]),
  +    _ = wxSizer:add(HorizSizer, Ref, [{proportion, 1},
  +				      {flag, ?wxALIGN_CENTER bor ?wxALL},
  +				      {border, 0}]),
  +    _ = wxSizer:add(Sizer, HorizSizer, [{proportion, 0},
  +					{flag, ?wxEXPAND bor ?wxALL},
  +					{border, 10}]),
       addArgs(Parent, Sizer, I + 1, Max, [Ref|Refs]).
   
   %% Module-adding dialog
  
positive.code: %    wxIconBundle:addIcon(Icons, wxIcon:new(?ICON_PATH64)),
  %    wxFrame:setIcons(Frame, Icons),
      wxFrame:setMenuBar(Frame, MenuBar),
      wxFrame:createStatusBar(Frame, [{id, ?STATUS_BAR}]),
      wxEvtHandler:connect(Frame, close_window),
      wxEvtHandler:connect(Frame, command_menu_selected),
      wxEvtHandler:connect(Frame, command_button_clicked),
  
negative.code:     wxSplitterWindow:splitVertically(Splitter, ErrorPanel, IleavePanel),
      %% Add padding to the panel.
      MainPanelSizerOuter = wxBoxSizer:new(?wxVERTICAL),
      _ = wxSizer:add(MainPanelSizerOuter, Splitter,
  		    [{proportion, 1}, {flag, ?wxEXPAND bor ?wxALL},
  		     {border, 10}]),
      wxWindow:setSizer(MainPanel, MainPanelSizerOuter),
      MainPanel.
  
  