Must a quote the help file...
on ^*:LOGON:*:echo Logging on to $network $server
Triggers before mIRC sends the standard logon messages to the server. If you /halt this event, mIRC will not send the standard logon messages, allowing you to send your own messages.
on *:LOGON:*:echo Logged on to $network $server
Triggers after mIRC has sent the standard logon messages.
if u had
on *:NICK: { echo -a $colour(nick) NickChange: $nick wants to be called $newnick }
you would see
NickChange: bob wants to be called ted
* bob is now known as tedUntrue, the default mirc text would appear first, no second... 'nuf said