add TP9

.gitignore

+
+TP9/DysonV8/DysonV8/bin/
+TP9/DysonV8/DysonV8/obj/

.vs/ProjectSettings.json

+{
+  "CurrentProjectSetting": null
+}
\ No newline at end of file

.vs/VSWorkspaceState.json

+{
+  "ExpandedNodes": [
+    ""
+  ],
+  "PreviewInSolutionExplorer": false
+}
\ No newline at end of file

TP9/DysonV8/DysonV8.sln

+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 16
+VisualStudioVersion = 16.0.31624.102
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "DysonV8", "DysonV8\DysonV8.csproj", "{90E6F200-2760-4660-98FD-C9BB49D500BA}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{90E6F200-2760-4660-98FD-C9BB49D500BA}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{90E6F200-2760-4660-98FD-C9BB49D500BA}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{90E6F200-2760-4660-98FD-C9BB49D500BA}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{90E6F200-2760-4660-98FD-C9BB49D500BA}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {08299DAC-6C36-4BCA-8994-FCAF5080FB0E}
+	EndGlobalSection
+EndGlobal

TP9/DysonV8/DysonV8/Client.cs

+using System;
+using System.Collections.Generic;
+using System.Net.Http;
+using System.Text;
+using System.Text.RegularExpressions;
+using System.Threading.Tasks;
+using System.Linq;
+
+namespace DysonV8
+{
+
+    public static class Client
+    {
+        private static HttpClient HttpClient { get; }
+        static Client()
+        {
+            HttpClient = new HttpClient();
+        }
+
+        public static string Get(string url)
+        {
+            return GetAsync(url).Result;
+        }
+
+        public static async Task<string> GetAsync(string url)
+        {
+            try
+            {
+                var result = await HttpClient.GetAsync(url);
+                return await result.Content.ReadAsStringAsync();
+            }
+            catch (Exception e)
+            {
+                return e.ToString();
+            }
+        }
+
+
+        public static List<string> FindLinks(string file, bool onlyHttpLinks = true)
+        {
+            List<string> list = new List<string>();
+            MatchCollection m1 = Regex.Matches(file, @"(<a.*?>.*?</a>)", RegexOptions.Singleline);
+            foreach (Match m in m1)
+            {
+                string value = m.Groups[1].Value;
+                string href;
+                Match m2 = Regex.Match(value, @"href=\""(.*?)\""", RegexOptions.Singleline);
+                if (m2.Success)
+                {
+                    href = m2.Groups[1].Value;
+                    list.Add(href);
+                }
+            }
+            list = list.Distinct().ToList();
+            list.RemoveAll(x => x == "/" || x.Contains('#'));
+
+            if (onlyHttpLinks)
+                list.RemoveAll(x => !x.Contains("http", StringComparison.OrdinalIgnoreCase));
+            
+
+            return list;
+        }
+
+        public static void DownloadPage(string path, string url)
+        {
+            var page = GetAsync(url).Result;
+            string filename = $"{url.Replace('/', '_').Replace(':', '_').Replace('?', '_')}.html";
+            Console.WriteLine($"{(FileSaver.Save(path, filename, page) ? "Done" : "Failed")}");
+
+        }
+
+
+    }
+}

TP9/DysonV8/DysonV8/DysonV8.csproj

+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
+  </PropertyGroup>
+
+</Project>

TP9/DysonV8/DysonV8/FileSaver.cs

+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Text;
+
+namespace DysonV8
+{
+    public static class FileSaver
+    {
+
+        public static bool Save(string path, string filemane, string content)
+        {
+            try
+            {
+                Directory.CreateDirectory(path);
+                File.WriteAllText(Path.Combine(path,filemane), content);
+                return true;
+            }
+            catch (Exception e)
+            {
+                Console.WriteLine(e);
+                return false;
+            }
+
+        }
+
+    }
+}

TP9/DysonV8/DysonV8/Program.cs

+using System;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace DysonV8
+{
+    public class Program
+    {
+        static void Main(string[] args)
+        {
+            var res = Client.GetAsync("https://stackoverflow.com/questions/14854878/creating-new-thread-with-method-with-parameter").Result;
+
+            var links = Client.FindLinks(res);
+            foreach (var link in links)
+            {
+                Console.WriteLine($"For : {link}");
+                new Thread(() => Client.DownloadPage("output", link)).Start();
+            }
+
+
+        }
+    }
+}