I have this, if this is what you mean:
Code:
dialog Notice {
  title "Notice" 
  size -1 -1 270 40
  option dbu

  text "",1,5 5 100 8
  edit "",2,5 14 190 10,autohs

  button "Hidden",3,210 50 1 1
  button "Close",4,90 27 20 8,ok
}
on *:dialog:Notice*:init:*: {
  dialog -t $dname NOTICE %nnick %adnick
  did -a $dname 1 Notice %nnick $+ :
  did -ht $dname 3
}
on *:dialog:Notice*:sclick:*: {
  if ($did == 3 && $did(2) != $null) {
    notice $left($gettok($did(1),2,32),-1) $did(2)
    echo -a 4 $left($gettok($did(1),2,32),-1)  $did(2)
    did -r $dname 2
  }
}
menu nicklist {
  -
  Notice: set %nnick $snick($chan,1) | set %adnick $address(%nnick,0) | dialog -m Notice Notice
}