, 16);
this.btnClose.Name = "btnClose";
this.btnClose.TabIndex = 7;
this.btnClose.Text = "Close";
this.btnClose.Click += new System.EventHandler(this.btnClose_Click);
//
// Form1
//
this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
this.ClientSize = new System.Drawing.Size(504, 273);
this.Controls.Add(this.btnClose);
this.Controls.Add(this.btnEnd);
this.Controls.Add(this.button1);
this.Controls.Add(this.txtMsgSend);
this.Controls.Add(this.txtMessageMain);
this.Controls.Add(this.txtServerIP);
this.Controls.Add(this.btnJoin);
this.Controls.Add(this.btnStart);
this.Name = "Form1";
this.Text = "UDPWinTest";
this.ResumeLayout(false);

}
#endregion

/// <summary>
/// 应用程序的主入口点。
/// </summary>
[STAThread]
static void Main()
{
Application.Run(new Form1());
}

private void btnStart_Click(object sender, System.EventArgs e)
{
LocalPort = SenderPort;
RemotePort = ListenerPort;

m_szHostName = Dns.GetHostName();
m_LocalHost = Dns.GetHostByName(m_szHostName);

AddToMain("Local Port: " + LocalPort + ", Remote: " + RemotePort);
AddToMain("Initializing...");

string LocalHostIP = m_LocalHost.AddressList[0].ToString();
string[] ArrIP = LocalHostIP.Split(new char[]{'.'});
LocalHostIP = "224" + "." + ArrIP[1] + "." + ArrIP[2] + "." + ArrIP[3];

Initialize(LocalHostIP);

AddToMain("Starting Listener thread..." );

//开始新线程
t = new Thread(new ThreadStart(Listener)); //侦听线程
t.Start();

this.btnJoin.Enabled = false;
this.btnStart.Enabled = false;

}

private void btnJoin_Click(object sender, System.EventArgs e)
{
LocalPort = SenderPort;
RemotePort = ListenerPort;

m_szHostName = Dns.GetHostName();
m_LocalHost = Dns.GetHostByName(m_szHostName);

AddToMain("Local Port: " + LocalPort + ", Remote: " + RemotePort);
AddToMain("Initializing...");

string ServerIP = this.txtServerIP.Text;
string[] ArrIP = ServerIP.Split(new char[]{'.'});
ServerIP = "224" + &quo

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