Forums Scripts & Popups While loop not working?

dialog dxmsg1 {
  size -1 -1 230 295
  icon 01/DX007.ico
  title mIRC-DeluXe Messenger
  box "Online"1, 5 5 220 105
  list 2, 10 20 210 90,vsbar
  box "Offline"3, 5 110 220 105
  list 4, 10 125 210 90,vsbar
  button "Add user"5, 20 220 90 20
  button "Remove user"6, 115 220 90 20
  button "Send Message"7, 20 245 90 20
  button "Options"8, 115 245 90 20
  button "Close"9, 65 270 90 20,ok
}
on *:DIALOG:dxmsg1:init:*: {
  %dxmsg = 1
  while (%dxmsg1 <= $notify(0)) {
    if ($notify(%dxmsg1).ison == $true) { did -a dxmsg1 2 $notify(%dxmsg1) }
    elseif ($notify(%dxmsg1).ison == $false) { did -a dxmsg1 4 $notify(%dxmsg1) }
    inc %dxmsg1
  }
}

on *:dialog:dxmsg1:init:*: {
  var %x = 1
  while ($notify(%x).ison != $null) {
    did -a $dname $iif($v1,2,4) $notify(%x)
    inc %x
  }
}