1  void tcpPassiveEngine_MessageReceived(IPEndPoint userAddress, byte[] msg)
 2         {
 3             //取出訊息型別
 4             int msgType = BitConverter.ToInt32(msg, 0);
 5             //驗證訊息型別           
 6             if (msgType == MsgType.Chatting)
 7             {
 8                 ChatMsg chatMsg = MsgHelper.DeserializeMsg<ChatMsg>(msg);
 
 9                 this.ShowChatForm(chatMsg.SourceUserID);
10                 this.ChatMsgReceived(chatMsg);
11             }
12         } 
13 
14         /// <summary>
15         /// 顯示聊天窗
16         /// </summary>
17         /// <param name="friendUserID">聊天對方使用者ID</param>
18         private
 
 void ShowChatForm(string friendUserID)
19         {
20             if (this.InvokeRequired)
21             {
22                 this.Invoke(new CbGeneric<string>(this.ShowChatForm), friendUserID);
23             }
24             else
25             {
26                 ChatForm form = this
 
.chatFormManager.GetForm(friendUserID);
27                 if (form == null)
28                 {
29                     form = new ChatForm(this.selfID, friendUserID, this, this.tcpPassiveEngine);
30                     form.Text = string.Format("與{0}對話中···", friendUserID);
31                     this.chatFormManager.Add(form);
32                     form.Show();
33                 }
34                 form.Focus();
35             }
36         }
37 
38 
39         /// <summary>
40         /// 顯示聊天訊息
41         /// </summary>
42         /// <param name="chatMsg"></param>
43         private void ShowChatMsg(ChatMsg chatMsg)
44         {
45             if (this.InvokeRequired)
46             {
47                 this.Invoke(new CbGeneric<ChatMsg>(this.formMain_chatMsgReceived), chatMsg);
48             }
49             else
50             {
51                 this.richTextBox_display.AppendText(chatMsg.SourceUserID + "   " + chatMsg.TimeSent.ToString() + "\r\n");
52                 this.richTextBox_display.AppendText(chatMsg.MsgText + "\r\n");
53                 this.richTextBox_Write.Clear();
54             }
55         }