How to keep the check button' checked state

["chao yeaj" <yeajchao@xxxxxxxxx>]

Hello ,everyone

         i have a check button

         i want to manage  the check button's check state  using  source code
       and  i want no matter how the user click  the check button ,
      the check button  keeps its state

       i connected to the check button's  clicked signal,and activate singal
     and the call back function like this:

        gboolean  callback()
      {
                 return TRUE;
      }

    but this   does not work

    if i clicked on the check button,the state switched

      How can i  achieve   my original goal ?
 Any comments would be much appreciaed, thanks in advance !
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