From 62d77d3bb8e7215d9da9ecf6f5aeda0b69f805f8 Mon Sep 17 00:00:00 2001
From: wei <kaede@kaededeMacBook-Air.local>
Date: 星期二, 08 十二月 2020 18:57:15 +0800
Subject: [PATCH] 20201208

---
 HDL_ON/DAL/DriverLayer/UdpSocket.cs |    9 ++++++---
 1 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/HDL_ON/DAL/DriverLayer/UdpSocket.cs b/HDL_ON/DAL/DriverLayer/UdpSocket.cs
index f63851c..3ffb628 100644
--- a/HDL_ON/DAL/DriverLayer/UdpSocket.cs
+++ b/HDL_ON/DAL/DriverLayer/UdpSocket.cs
@@ -25,7 +25,7 @@
 		/// <summary>
 		/// 鍚姩Socket鎺ユ敹鍜屽彂閫佸姛鑳�
 		/// </summary>
-		public void Start (int port)
+		public void Start (int port = 0)
         {
 			if (IsRunning)
 			{
@@ -38,13 +38,16 @@
                     busSocket.Close();
                 }
             }
-            _port = port;
+			if (port != 0)
+				_port = port;
+			if (_port == 0)
+				return;
 
             busSocket = new Socket (AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
             busSocket.EnableBroadcast = true;
             try {
                 //busSocket.Bind (new IPEndPoint (IPAddress.Any, 6000));
-                busSocket.Bind(new IPEndPoint(IPAddress.Any, port));
+                busSocket.Bind(new IPEndPoint(IPAddress.Any, _port));
 
                 busSocket.SetSocketOption(SocketOptionLevel.IP, SocketOptionName.AddMembership, new MulticastOption(IPAddress.Parse("239.0.168.188")));
 			}

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