using?System;
using?System.Collections.Generic;
using?System.ComponentModel;
using?System.Data;
using?System.Drawing;
using?System.Text;
using?System.Net;
using?System.Net.Sockets;
using?System.Windows.Forms;

namespace?SGSclient
{
????public?partial?class?LoginForm?:?Form
????{
????????public?Socket?clientSocket;
????????public?EndPoint?epServer;
????????public?string?strName;

????????public?LoginForm（）
????????{
????????????InitializeComponent（）;
????????}

????????private?void?btnOK_Click（object?sender?EventArgs?e）
????????{
????????????strName?=?txtName.Text;
????????????try
????????????{
????????????????//Using?UDP?sockets
????????????????clientSocket?=?new?Socket（AddressFamily.InterNetwork?
????????????????????SocketType.Dgram?ProtocolType.Udp）;

????????????????//IP?address?of?the?server?machine
????????????????IPAddress?ipAddress?=?IPAddress.Parse（txtServerIP.Text）;
????????????????//Server?is?listening?on?port?1000
????????????????IPEndPoint?ipEndPoint?=?new?IPEndPoint（ipAddress?1000）;

????????????????epServer?=?（EndPoint）ipEndPoint;
????????????????
????????????????Data?msgToSend?=?new?Data?（）;
????????????????msgToSend.cmdCommand?=?Command.Login;
????????????????msgToSend.strMessage?=?null;
????????????????msgToSend.strName?=?strName;

????????????????byte[]?byteData?=?msgToSend.ToByte（）;
????????????????
????????????????//Login?to?the?server
????????????????clientSocket.BeginSendTo（byteData?0?byteData.Length?
????????????????????SocketFlags.None?epServer?new?AsyncCallback（OnSend）?null）;
????????????}
????????????catch?（Exception?ex）
????????????{?
????????????????MessageBox.Show（ex.Message?“SGSclient“?
????????????????????MessageBoxButtons.OK?MessageBoxIcon.Error）;?
????????????}?
????????}

????????private?void?OnSend（IAsyncResult?ar）
????????{
????????????try
????????????{
????????????????clientSocket.EndSend（ar）;????????????????
????????????????strName?=?txtName.Text;
????????????????DialogResult?=?DialogResult.OK;
????????????????Close（）;
????????????}
????????????catch?（Exception?ex）
????????????{
????????????????MessageBox.Show（ex.Message?“SGSclient“?MessageBoxButtons.OK?MessageBoxIcon.Error）;
????????????}
????????}

????????private?void?btnCancel_Click（object?sender?EventArgs?e）
????????{
????????????Close（）;
????????}

????????private?void?LoginForm_Load（object?sender?EventArgs?e）
????????{
????????????CheckForIllegalCrossThreadCalls?=?false;
????????}

????????private?void?txtName_TextChanged（object?sender?EventArgs?e）
????????{
????????????if?（txtName.Text.Length?>?0?&&?txtServerIP.Text.Length?>?0）
????????????????btnOK.Enabled?=?true;
????????????else
????????????????btnOK.Enabled?=?false;
????????}

????????private?void?txtServerIP_TextChanged（object?sender?EventArgs?e）
????????{
????????????if?（txtName.Text.Length?>?0?&&?txtServerIP.Text.Length?>?0）
????????????????btnOK.Enabled?=?true;
????????????else
??

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????????922??2006-12-24?19:46??SGSclientUDP\SGSclientUDP.sln

?????文件???????3057??2006-12-29?18:46??SGSclientUDP\SGSclient\LoginForm.cs

?????文件???????5346??2006-12-21?21:36??SGSclientUDP\SGSclient\LoginForm.Designer.cs

?????文件???????5814??2006-12-21?21:36??SGSclientUDP\SGSclient\LoginForm.resx

?????文件????????933??2006-12-24?14:21??SGSclientUDP\SGSclient\Program.cs

?????文件???????9651??2006-12-29?18:49??SGSclientUDP\SGSclient\SGSClientForm.cs

?????文件???????4378??2006-12-24?20:08??SGSclientUDP\SGSclient\SGSClientForm.Designer.cs

?????文件???????5814??2006-12-24?20:08??SGSclientUDP\SGSclient\SGSClientForm.resx

?????文件???????3722??2006-12-24?19:49??SGSclientUDP\SGSclient\SGSclientUDP.csproj

?????文件???????1282??2006-11-03?12:54??SGSclientUDP\SGSclient\Properties\AssemblyInfo.cs

?????文件???????2845??2006-11-03?12:54??SGSclientUDP\SGSclient\Properties\Resources.Designer.cs

?????文件???????5612??2006-11-03?12:54??SGSclientUDP\SGSclient\Properties\Resources.resx

?????文件???????1092??2006-11-03?12:54??SGSclientUDP\SGSclient\Properties\Settings.Designer.cs

?????文件????????249??2006-11-03?12:54??SGSclientUDP\SGSclient\Properties\Settings.settings

?????文件???????5632??2005-12-08?14:51??SGSclientUDP\SGSclient\bin\Debug\SGSclient.vshost.exe

?????文件??????28672??2008-11-28?10:55??SGSclientUDP\SGSclient\bin\Debug\SGSclient.exe

?????文件??????32256??2008-11-28?10:55??SGSclientUDP\SGSclient\bin\Debug\SGSclient.pdb

?????文件????????180??2008-11-28?10:55??SGSclientUDP\SGSclient\obj\Debug\SGSclient.SGSClient.resources

?????文件????????180??2008-11-28?10:55??SGSclientUDP\SGSclient\obj\Debug\SGSclient.LoginForm.resources

?????文件????????180??2008-11-28?10:55??SGSclientUDP\SGSclient\obj\Debug\SGSclient.Properties.Resources.resources

?????文件????????912??2008-11-28?10:55??SGSclientUDP\SGSclient\obj\Debug\SGSclientUDP.csproj.GenerateResource.Cache

?????文件??????32256??2008-11-28?10:55??SGSclientUDP\SGSclient\obj\Debug\SGSclient.pdb

?????文件??????28672??2008-11-28?10:55??SGSclientUDP\SGSclient\obj\Debug\SGSclient.exe

?????文件????????330??2008-11-28?10:56??SGSclientUDP\SGSclient\obj\SGSclientUDP.csproj.FileList.txt

????..A..H.?????10240??2008-11-28?10:56??SGSclientUDP\SGSclientUDP.suo

?????文件????????919??2006-12-24?20:08??SGSserverUDP\SGSserverUDP.sln

?????文件????????481??2006-12-21?21:39??SGSserverUDP\Server\Program.cs

?????文件??????11084??2006-12-29?18:46??SGSserverUDP\Server\SGSserverForm.cs

?????文件???????2417??2006-12-24?19:54??SGSserverUDP\Server\SGSserverForm.Designer.cs

?????文件???????5814??2006-12-24?19:54??SGSserverUDP\Server\SGSserverForm.resx

............此處省略35個文件信息