for(int i=0;i<list_id.size();i++)
            {
                count++;
                Listitem l1=new Listitem();
                org.zkoss.zul.Checkbox ccc=new org.zkoss.zul.Checkbox();
                l1.setParent(signlist);
                Listcell c1=new Listcell();
                Listcell c2=new Listcell();
                Listcell c3=new Listcell();
                c1.setParent(l1);
                c2.setParent(l1);
                c3.setParent(l1);
                c2.setLabel(""+count);
                c3.setLabel(getSignId(list_id.get(i),temp)); 
                ccc.setParent(c1);              
                ccc.setId(list_id.get(i)+":"+i+group_id);
                InputStream in =rs.getAsciiStream(2);
                StringWriter w = new StringWriter();
                IOUtils.copy(in, w);
                mapped_sign = w.toString();
                if(mapped_sign.contains("|"))
                {
                    list_Name=mapped_sign.split("\\|");
                    for(int k=0;k<list_Name.length;k++)
                    {
                        list_id_Check.add(list_Name[k]);
                    }
                    if(list_id_Check.contains(list_id.get(i)))
                    {
                        ccc.setChecked(true);
                    }
                }
                else
                {
                    if(list_id.get(i).equals(mapped_sign))
                    {
                        ccc.setChecked(true);
                    }
                }
                ccc.setDisabled(true);
            c3.setId(list_id.get(i)+":"+group_id);  
            }
when i apply setDisabled(true) then selected and unslected checkbox visibility goes to fade. i just want after applying setDisabled the visibility of checkbox and tick still remain same.
 
    