// Init event
    void CMSModules_Chat_CMSPages_OfflineSupportForm_Init(object sender, EventArgs e)
    {
        if (!RequestHelper.IsPostBack())
        {
            int roomID = QueryHelper.GetInteger("roomid", 0);

            try
            {
                if (ChatUserHelper.CheckJoinRoomRights(roomID))
                {
                    ChatRoomUserInfo chatRoomUser = ChatRoomUserInfoProvider.GetChatRoomUser(ChatOnlineUserHelper.GetLoggedInChatUser().ChatUserID, roomID);

                    IEnumerable <MessageData> messages = ChatMessageInfoProvider.GetLatestMessages(roomID, 300, chatRoomUser.ChatRoomUserJoinTime);

                    StringBuilder sb = new StringBuilder();

                    // Iterate backwards over the messages, take only non-system messages
                    foreach (MessageData message in messages.Where(m => !m.SystemMessageType.IsSystemMessage()).Reverse())
                    {
                        sb.AppendFormat("{0} {1}: {2}", message.LastModified, message.Nickname, message.MessageText);
                        sb.NewLine();
                    }

                    messageEditElem.MessageText = sb.ToString();
                }
            }
            catch (Exception ex)
            {
                EventLogProvider.LogException("CMSModules_Chat_CMSPages_OfflineSupportForm", "GET ROOM MESSAGES", ex);
            }
        }
    }