Socket

Socket/Client/Client.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

Socket/Client/Program.cs

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+using System.Net;
+using System.Net.Sockets;
+
+namespace Client;
+
+internal class Program
+{
+	static void Main(string[] args)
+	{
+		while (true)
+		{
+			Socket clientSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
+			IPEndPoint endPoint = new IPEndPoint(IPAddress.Parse("127.0.0.1"), 20000);
+			clientSocket.Connect(endPoint);
+		}
+	}
+}

Socket/Server/Program.cs

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+using System.Net;
+using System.Net.Sockets;
+
+namespace Server;
+
+internal class Program
+{
+	static void Main(string[] args)
+	{
+		Socket serverSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
+		IPEndPoint endPoint = new IPEndPoint(IPAddress.Parse("127.0.0.1"), 20000);
+		serverSocket.Bind(endPoint);
+
+		serverSocket.Listen(20);
+
+		//Socket clientSocket = serverSocket.Accept();
+
+		//Console.WriteLine($"Connected. ({clientSocket.RemoteEndPoint})");
+	}
+}

Socket/Server/Server.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

Socket/Socket.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.3.32929.385
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Server", "Server\Server.csproj", "{4AAA9E91-21D1-46D6-A871-A4F0EF3DE8DD}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Client", "Client\Client.csproj", "{5EEB261C-98C2-4467-9CC3-2129F0031114}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{4AAA9E91-21D1-46D6-A871-A4F0EF3DE8DD}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{4AAA9E91-21D1-46D6-A871-A4F0EF3DE8DD}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{4AAA9E91-21D1-46D6-A871-A4F0EF3DE8DD}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{4AAA9E91-21D1-46D6-A871-A4F0EF3DE8DD}.Release|Any CPU.Build.0 = Release|Any CPU
+		{5EEB261C-98C2-4467-9CC3-2129F0031114}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{5EEB261C-98C2-4467-9CC3-2129F0031114}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{5EEB261C-98C2-4467-9CC3-2129F0031114}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{5EEB261C-98C2-4467-9CC3-2129F0031114}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {819BF514-6C4B-49BD-A8B2-1ADD0D2C91E8}
+	EndGlobalSection
+EndGlobal

Socket/Socket/Program.cs

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+namespace Socket
+{
+	internal class Program
+	{
+		static void Main(string[] args)
+		{
+			Console.WriteLine("Hello, World!");
+		}
+	}
+}

Socket/Socket/Socket.csproj

@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>