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

namespace?Email
{
????public?partial?class?Form1?:?Form
????{
????????public?Form1（）
????????{
????????????InitializeComponent（）;
????????}
????????public?TcpClient?Server;
????????public?NetworkStream?NetStrm;
????????public?string?Data;
????????public?StreamReader?RdStrm;
????????public?byte[]?szData;
????????public?string?CRLF?=?“\r\n“;

????????private?void?label2_Click（object?sender?EventArgs?e）
????????{

????????}

????????private?void?label1_Click（object?sender?EventArgs?e）
????????{

????????}

????????private?void?button3_Click（object?sender?EventArgs?e）
????????{
????????????Server?=?new?TcpClient（tBSrv.Text?110）;


????????????try
????????????{
????????????????NetStrm?=?Server.GetStream（）;
????????????????RdStrm?=?new?StreamReader（Server.GetStream（）?System.Text.Encoding.Default）;
????????????????listBoxStatus.Items.Add（RdStrm.ReadLine（））;
????????????????Data?=?“USER?“?+?tBUser.Text?+?CRLF;
????????????????szData?=?System.Text.Encoding.ASCII.GetBytes（Data.ToCharArray（））;
????????????????NetStrm.Write（szData?0?szData.Length）;
????????????????listBoxStatus.Items.Add（RdStrm.ReadLine（））;
????????????????Data?=?“PASS?“?+?tBPwd.Text?+?CRLF;
????????????????szData?=?System.Text.Encoding.ASCII.GetBytes（Data.ToCharArray（））;
????????????????NetStrm.Write（szData?0?szData.Length）;
????????????????listBoxStatus.Items.Add（RdStrm.ReadLine（））;
????????????????Data?=?“STAT“?+?CRLF;
????????????????szData?=?System.Text.Encoding.ASCII.GetBytes（Data.ToCharArray（））;
????????????????NetStrm.Write（szData?0?szData.Length）;
????????????????string?st?=?RdStrm.ReadLine（）;
????????????????listBoxStatus.Items.Add（st）;
????????????????st?=?st.Substring（4?st.IndexOf（“?“5）?-?4）;
????????????????int?count?=?Int32.Parse（st）;
????????????????if?（count?>?0）?
????????????????{
????????????????????listBoxOperate.Enabled?=?true;
????????????????????btnRead.Enabled?=?true;
????????????????????btnDelete.Enabled?=?true;
????????????????????listBoxStatus.Items.Clear（）;
????????????????????listBoxOperate.Items.Clear（）;
????????????????????for?（int?i?=?0;?i?????????????????????????listBoxOperate.Items.Add（“第“?+?（i?+?1）?+?“封郵件“）;
????????????????????listBoxOperate.SelectedIndex?=?0;
????????????????}

????????????????else
????????????????{
????????????????????groupBoxOpe.Text?=?“信箱中沒有郵件“;
????????????????????listBoxOperate.Enabled?=?false;
????????????????????btnRead.Enabled?=?false;
????????????????????btnDelete.Enabled?=?false;
????????????????}
????????????????btnConnect.Enabled?=?false;
????????????????btnDisConnect.Enabled?=?true;


????????????}
????????????catch（InvalidOperationException?err）
????????????{
????????????

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2017-11-27?23:06??Email\
?????目錄???????????0??2017-11-27?23:06??Email\.vs\
?????目錄???????????0??2018-11-20?10:09??Email\.vs\Email\
?????目錄???????????0??2017-11-27?23:06??Email\.vs\Email\v14\
?????文件???????48128??2017-12-19?08:17??Email\.vs\Email\v14\.suo
?????目錄???????????0??2018-11-20?10:11??Email\.vs\Email\v15\
?????文件???????54272??2018-11-20?10:21??Email\.vs\Email\v15\.suo
?????目錄???????????0??2018-11-20?10:11??Email\.vs\Email\v15\Server\
?????目錄???????????0??2018-11-20?10:11??Email\.vs\Email\v15\Server\sqlite3\
?????文件???????????0??2018-11-20?10:11??Email\.vs\Email\v15\Server\sqlite3\db.lock
?????文件????????4096??2018-11-20?10:11??Email\.vs\Email\v15\Server\sqlite3\storage.ide
?????文件???????32768??2018-11-20?10:17??Email\.vs\Email\v15\Server\sqlite3\storage.ide-shm
?????文件??????688072??2018-11-20?10:20??Email\.vs\Email\v15\Server\sqlite3\storage.ide-wal
?????文件?????????857??2017-11-27?15:20??Email\Email.sln
?????文件???????18944??2018-11-21?09:48??Email\Email.suo
?????目錄???????????0??2018-11-20?10:20??Email\Email\
?????目錄???????????0??2017-11-27?23:06??Email\Email\bin\
?????目錄???????????0??2017-11-27?23:06??Email\Email\bin\Debug\
?????文件???????14336??2018-11-21?09:38??Email\Email\bin\Debug\Email.exe
?????文件???????34304??2018-11-21?09:38??Email\Email\bin\Debug\Email.pdb
?????文件???????11600??2018-11-21?09:48??Email\Email\bin\Debug\Email.vshost.exe
?????文件?????????490??2014-01-13?21:31??Email\Email\bin\Debug\Email.vshost.exe.manifest
?????文件????????3669??2017-11-27?17:24??Email\Email\Email.csproj
?????文件????????5938??2018-11-21?09:38??Email\Email\Form1.cs
?????文件???????11770??2018-11-21?09:38??Email\Email\Form1.Designer.cs
?????文件????????5817??2018-11-21?09:38??Email\Email\Form1.resx
?????目錄???????????0??2017-11-27?23:06??Email\Email\obj\
?????目錄???????????0??2017-11-27?23:06??Email\Email\obj\x86\
?????目錄???????????0??2018-11-21?09:38??Email\Email\obj\x86\Debug\
?????文件????????2855??2018-11-21?09:37??Email\Email\obj\x86\Debug\DesignTimeResolveAssemblyReferences.cache
?????文件????????6196??2018-11-21?09:38??Email\Email\obj\x86\Debug\DesignTimeResolveAssemblyReferencesInput.cache
............此處省略55個(gè)文件信息