Display username and message in a single line
Convert URL in chat messages to clickable hyperlink
Show timestamp in front of username in each message
Show user enter room notification to the remaining occupants of the chat room
Show user exit room notification to the remaining occupants of the chat room
Activate popup windows for private chat
Enable the whisper function in lobby which can't be seen by others
Define the default way to accept private message (which can not be changed by end user later)
Enable the function to get notification when the other party closes the private chat window.

You may manage Message Box and display the special functions on message here. You can easily show or hide the auto-message, send notification and do something like that.

Display username and message in a single line

With this feature enabled, user name and message would be shown in a single line.

With it disabled:

Convert URL in chat messages to clickable hyperlink

With this feature enabled, the URL in chat message would become clickable hyperlink, so the user can conveniently visit the webpage.

Show timestamp in front of username in each message

With this feature enabled, the sending time of each message would be shown at the head of message, so users may have a clear view about their messages' sending time.

Show user enter room notification to the remaining occupants of the chat room

With this feature enabled, when user enters chat room, a notification would be delivered to the remaining occupants.

Show user exit room notification to the remaining occupants of the chat room

With this feature enabled, when user exits room, a notification would be delivered to the remaining occupants.

Activate popup windows for private chat

With this feature enabled, a popup window will be opened for private chat users.

Enable the whisper function in lobby which can't be seen by others

With this feature enabled, users can whisper to each other without being viewd by others.

Define the default way to accept private message (the option can not be changed by end user later)

With this feature enabled, by default, user may accept private messenge, but they can change this option in Options window later.

Enable the function to get notification when the other party closes the private chat window.

With this feature enabled, when the other party closes private chat window, the chat user will receive a notification.