anchor.diff:  {
       fpGUI  -  Free Pascal GUI Toolkit
   
  -    Copyright (C) 2006 - 2010 See the file AUTHORS.txt, included in this
  +    Copyright (C) 2006 - 2011 See the file AUTHORS.txt, included in this
       distribution, for details of the copyright.
   
       See the file COPYING.modifiedLGPL, included in this distribution,
  
positive.code:   inherited HandleLMouseUp(x, y, shiftstate);
    FIsPressed := False;
    Checked := not FChecked;
    DoOnChange;
  end;
  
  procedure TfpgBaseCheckBox.HandleKeyRelease(var keycode: word;
  
negative.code:     Exit; //==>
    FChecked := AValue;
    RePaint;
    if not (csDesigning in ComponentState) then
      DoOnChange;
  end;
  
  function TfpgBaseCheckBox.GetBoxLayout: TBoxLayout;
  