One can use the chat tool, there are client and server, there are interface

C#聊天工具好的
..............\EasyChat.exe
..............\EasyChat_Client

..............\...............\Backup

..............\...............\......\chat_frm.cs
..............\...............\......\chat_frm.Designer.cs
..............\...............\......\chat_frm.resx
..............\...............\......\EasyChat_Client.csproj
..............\...............\......\EasyChat_Client.csproj.user
..............\...............\......\EasyChat_Client.sln
..............\...............\......\login_frm.cs
..............\...............\......\login_frm.Designer.cs
..............\...............\......\login_frm.resx
..............\...............\......\Program.cs
..............\...............\......\Properties
..............\...............\......\..........\AssemblyInfo.cs
..............\...............\......\..........\Resources.Designer.cs
..............\...............\......\..........\Resources.resx
..............\...............\......\..........\Settings.Designer.cs
..............\...............\......\..........\Settings.settings
..............\...............\......\Resources
..............\...............\......\.........\msg.wav
..............\...............\......\.........\nudge.wav
..............\...............\......\TCPConnection.cs
..............\...............\bin
..............\...............\...\Debug
..............\...............\...\Release
..............\...............\chat_frm.cs
..............\...............\chat_frm.Designer.cs
..............\...............\chat_frm.resx
..............\...............\EasyChat_Client.csproj
..............\...............\EasyChat_Client.csproj.user
..............\...............\EasyChat_Client.sln
..............\...............\login_frm.cs
..............\...............\login_frm.Designer.cs
..............\...............\login_frm.resx
..............\...............\obj
..............\...............\...\Debug
..............\...............\...\EasyChat.csproj.FileList.txt
..............\...............\...\EasyChat_Client.csproj.FileList.txt
..............\...............\...\Release
..............\...............\Program.cs
..............\...............\Properties
..............\...............\..........\AssemblyInfo.cs
..............\...............\..........\Resources.Designer.cs
..............\...............\..........\Resources.resx
..............\...............\..........\Settings.Designer.cs
..............\...............\..........\Settings.settings
..............\...............\Resources
..............\...............\.........\msg.wav
..............\...............\.........\nudge.wav
..............\...............\TCPConnection.cs
..............\...............\UpgradeLog.XML
..............\...............\_UpgradeReport_Files
..............\...............\....................\UpgradeReport.css
..............\...............\....................\UpgradeReport.xslt
..............\...............\....................\UpgradeReport_Minus.gif
..............\...............\....................\UpgradeReport_Plus.gif
..............\EasyChat_Server
..............\...............\Backup
..............\...............\......\EasyChat_Server.csproj
..............\...............\......\EasyChat_Server.sln
..............\...............\......\Listener.cs
..............\...............\......\Program.cs
..............\...............\......\Properties
..............\...............\......\..........\AssemblyInfo.cs
..............\...............\bin
..............\...............\...\Debug
..............\...............\...\Release
..............\...............\EasyChat_Server.csproj
..............\...............\EasyChat_Server.sln
..............\...............\Listener.cs
..............\...............\obj
..............\...............\...\Debug
..............\...............\...\EasyChat_Server.csproj.FileList.txt
..............\...............\...\Release
..............\...............\Program.cs
..............\...............\Properties
..............\...............\..........\AssemblyInfo.cs
..............\...............\Upgr

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