namespace PluginsBase
{
    public interface IPlugin
    {
        string Name { get; }
        void Run();
    }
}

using PluginsBase;

namespace Plugin1
{
    public class Plugin1Main : IPlugin
    {
        public string Name
        {
            get { return "Test 1"; }
        }

        public void Run()
        {
            // todo: ...
        }
    }
}

 Copy "$(ProjectDir)$(OutDir)$(TargetName).*" "$(SolutionDir)WinFormsWithPluginSupport\bin\debug\Plugins"

 Copy "$(ProjectDir)$(OutDir)*.*" "$(SolutionDir)WinFormsWithPluginSupport\bin\debug\Plugins"

 PM> install-package structuremap

using System.IO;
using System.Windows.Forms;
using PluginsBase;
using StructureMap.Configuration.DSL;
using StructureMap.Graph;

namespace WinFormsWithPluginSupport.Core
{
    public class PluginsRegistry : Registry
    {
        public PluginsRegistry()
        {
            this.Scan(scanner =>
            {
                scanner.AssembliesFromPath(
                    path: Path.Combine(Application.StartupPath, "plugins"),
                    // یک اسمبلی نباید دوبار بارگذاری شود
                    assemblyFilter: assembly =>
                    {
                        return !assembly.FullName.Equals(typeof(IPlugin).Assembly.FullName);
                    });
                scanner.AddAllTypesOf<IPlugin>().NameBy(item => item.FullName);
            });
        }
    }
}

using System;
using System.Threading;
using StructureMap;

namespace WinFormsWithPluginSupport
{
    public static class IocConfig
    {
        private static readonly Lazy<Container> _containerBuilder =
            new Lazy<Container>(defaultContainer, LazyThreadSafetyMode.ExecutionAndPublication);

        public static IContainer Container
        {
            get { return _containerBuilder.Value; }
        }

        private static Container defaultContainer()
        {
            return new Container(x =>
            {
                x.AddRegistry<PluginsRegistry>();
            });
        }
    }
}

using System.Windows.Forms;
using StructureMap;

namespace WinFormsWithPluginSupport
{
    public partial class FrmMain : Form
    {
        private readonly IContainer _container;

        public FrmMain(IContainer container)
        {
            _container = container;
            InitializeComponent();
        }
    }
}

using System;
using System.Windows.Forms;

namespace WinFormsWithPluginSupport
{
    static class Program
    {
        [STAThread]
        static void Main()
        {
            Application.EnableVisualStyles();
            Application.SetCompatibleTextRenderingDefault(false);
            Application.Run(IocConfig.Container.GetInstance<FrmMain>());
        }
    }
}

using System.Linq;
using System.Windows.Forms;
using PluginsBase;
using StructureMap;
using WinFormsWithPluginSupport.Core;

namespace WinFormsWithPluginSupport
{
    public partial class FrmMain : Form
    {
        private readonly IContainer _container;

        public FrmMain(IContainer container)
        {
            _container = container;
            InitializeComponent();
        }

        private void BtnRun_Click(object sender, System.EventArgs e)
        {
            var plugins = _container.GetAllInstances<IPlugin>().ToList();
            foreach (var plugin in plugins)
            {
                plugin.Run();
            }
        }

        private void BtnReload_Click(object sender, System.EventArgs e)
        {
            _container.EjectAllInstancesOf<IPlugin>();
            _container.Configure(x =>
                x.AddRegistry<PluginsRegistry>()
            );
        }
    }
}

public class User
{
   public string Name { set; get; }
}

public record User
{
   public string Name { set; get; }
}

var user = new User();
user.Name = "User 1";

public record User(string Name);

var user = new User("User 1");
// Error: Init-only property or indexer 'User.Name' can only be assigned
// in an object initializer, or on 'this' or 'base' in an instance constructor
// or an 'init' accessor. [CS9Features]csharp(CS8852)
user.Name = "User 1";

public record User(string Name);

using System;
using System.Collections.Generic;
using System.Runtime.CompilerServices;
using System.Text;
using CS9Features;

public class User : IEquatable<User>
{
 protected virtual Type EqualityContract
 {
  [System.Runtime.CompilerServices.NullableContext(1)]
  [CompilerGenerated]
  get
  {
   return typeof(User);
  }
 }

 public string Name
 {
  get;
  set/*init*/;
 }

 public User(string Name)
 {
  this.Name = Name;
  base..ctor();
 }

 public override string ToString()
 {
  StringBuilder stringBuilder = new StringBuilder();
  stringBuilder.Append("User");
  stringBuilder.Append(" { ");
  if (PrintMembers(stringBuilder))
  {
   stringBuilder.Append(" ");
  }
  stringBuilder.Append("}");
  return stringBuilder.ToString();
 }

 protected virtual bool PrintMembers(StringBuilder builder)
 {
  builder.Append("Name");
  builder.Append(" = ");
  builder.Append((object?)Name);
  return true;
 }

 [System.Runtime.CompilerServices.NullableContext(2)]
 public static bool operator !=(User? r1, User? r2)
 {
  return !(r1 == r2);
 }

 [System.Runtime.CompilerServices.NullableContext(2)]
 public static bool operator ==(User? r1, User? r2)
 {
  return (object)r1 == r2 || (r1?.Equals(r2) ?? false);
 }

 public override int GetHashCode()
 {
  return EqualityComparer<Type>.Default.GetHashCode(EqualityContract) * -1521134295 + EqualityComparer<string>.Default.GetHashCode(Name);
 }

 public override bool Equals(object? obj)
 {
  return Equals(obj as User);
 }

 public virtual bool Equals(User? other)
 {
  return (object)other != null && EqualityContract == other!.EqualityContract && EqualityComparer<string>.Default.Equals(Name, other!.Name);
 }

 public virtual User <Clone>$()
 {
  return new User(this);
 }

 protected User(User original)
 {
  Name = original.Name;
 }

 public void Deconstruct(out string Name)
 {
  Name = this.Name;
 }
}

public virtual User <Clone>$()
{
  return new User(this);
}

public record User(string Name, int Age);

var user1 = new User("User 1", 21);

var user2 = user1 with { Age = 31 };

var user1 = new User("User 1", 21);
var user2 = new User("User 1", 21);

Console.WriteLine("user1.Equals(user2) -> {0}", user1.Equals(user2));
Console.WriteLine("user1 == user2 -> {0}", user1 == user2);

user1.Equals(user2) -> True
user1 == user2 -> True

public virtual bool Equals(User? other)
{
   return (object)other != null &&
 EqualityContract == other!.EqualityContract &&
 EqualityComparer<string>.Default.Equals(Name, other!.Name) && 
EqualityComparer<int>.Default.Equals(Age, other!.Age);
}

    public record User
    {
        public string Name { get; init; }

        public User(string name)
        {
            Name = name;
        }
    }

    public record UserWithAge : User
    {
        public int Age { get; init; }

        public UserWithAge(string name, int age) : base(name)
        {
            Age = age;
        }
    }

var user1 = new User("User 1");
var user2 = new UserWithAge("User 1", 21);

Console.WriteLine("user1.Equals(user2) -> {0}", user1.Equals(user2));
Console.WriteLine("user1 == user2 -> {0}", user1 == user2);

user1.Equals(user2) -> False
user1 == user2 -> False

public abstract record Food(int Calories);
public record Milk(int C, double FatPercentage) : Food(C);

Console.WriteLine(user1.ToString());
Console.WriteLine(user2.ToString());

User { Name = User 1 }
UserWithAge { Name = User 1, Age = 21 }

public record Person(string Name, int Age);

public void Deconstruct(out string Name, out int Age)
{
  Name = this.Name;
  Age = this.Age;
}

var (name, age) = new Person("User 1", 21);

 public record Person([Required] string Name, [Range(0, 150)] int Age);

 public class PersonController
 {
   public IActionResult Index() => View();

   [HttpPost]
   public IActionResult Index(Person person)
   {
    // ...
   }
 }

using System;
using System.Collections.Generic;

namespace Test
{
    public class Table
    {
        public Header Header { set; get; }
        public IList<Cell> Cells { set; get; }
        public float Width { set; get; }
    }

    public class Header
    {
        public string Title { set; get; }
        public DateTime Date { set; get; }
        public IList<Cell> Cells { set; get; }
    }

    public class Cell
    {
        public string Caption { set; get; }
        public float Width { set; get; }
    }
}

using System;
using System.Collections.Generic;

namespace Test
{
    public class TableApi
    {
        public Table CreateTable(Action<TableCreator> action)
        {
            var creator = new TableCreator();
            action(creator);
            return creator.TheTable;
        }
    }

    public class TableCreator
    {
        readonly Table _theTable = new Table();
        internal Table TheTable
        {
            get { return _theTable; }
        }

        public void Width(float value)
        {
            _theTable.Width = value;
        }

        public void AddHeader(Action<HeaderCreator> action)
        {
            _theTable.Header = ...
        }

        public void AddCells(Action<CellsCreator> action)
        {
            _theTable.Cells = ...
        }        
    }
}

using System;
using System.Collections.Generic;

namespace Test
{
    public class CellsCreator
    {
        readonly IList<Cell> _cells = new List<Cell>();
        internal IList<Cell> Cells
        {
            get { return _cells; }
        }

        public void AddCell(string caption, float width)
        {
            _cells.Add(new Cell { Caption = caption, Width = width });
        }
    }

    public class HeaderCreator
    {
        readonly Header _header = new Header();
        internal Header Header
        {
            get { return _header; }
        }

        public void Title(string title)
        {
            _header.Title = title;
        }

        public void Date(DateTime value)
        {
            _header.Date = value;
        }

        public void AddCells(Action<CellsCreator> action)
        {
            var creator = new CellsCreator();
            action(creator);
            _header.Cells = creator.Cells;
        }
    }
}

using System;
using System.Collections.Generic;

namespace Test
{
    public class TableCreator
    {
        readonly Table _theTable = new Table();
        internal Table TheTable
        {
            get { return _theTable; }
        }

        public void Width(float value)
        {
            _theTable.Width = value;
        }

        public void AddHeader(Action<HeaderCreator> action)
        {
            var creator = new HeaderCreator();
            action(creator);
            _theTable.Header = creator.Header;
        }

        public void AddCells(Action<CellsCreator> action)
        {
            var creator = new CellsCreator();
            action(creator);
            _theTable.Cells = creator.Cells;
        }
    }

    public class CellsCreator
    {
        readonly IList<Cell> _cells = new List<Cell>();
        internal IList<Cell> Cells
        {
            get { return _cells; }
        }

        public void AddCell(string caption, float width)
        {
            _cells.Add(new Cell { Caption = caption, Width = width });
        }
    }

    public class HeaderCreator
    {
        readonly Header _header = new Header();
        internal Header Header
        {
            get { return _header; }
        }

        public void Title(string title)
        {
            _header.Title = title;
        }

        public void Date(DateTime value)
        {
            _header.Date = value;
        }

        public void AddCells(Action<CellsCreator> action)
        {
            var creator = new CellsCreator();
            action(creator);
            _header.Cells = creator.Cells;
        }
    }
}

var data = new TableApi().CreateTable(table =>
            {
                table.Width(1);
                table.AddHeader(header=>
                {
                    header.Title("new rpt");
                    header.Date(DateTime.Now);
                    header.AddCells(cells=>
                    {
                        cells.AddCell("cell 1", 1);
                        cells.AddCell("cell 2", 2);
                    });
                });
                table.AddCells(tableCells=>
                {
                    tableCells.AddCell("c 1", 1);
                    tableCells.AddCell("c 2", 2);
                });
            });

public class Client
{
    DependencyBase _dependency;
 
    public void Client(DependencyBase dependency)
    {
        _dependency = dependency;
    }
 
    public void DoSomething()
    {
        _dependency.Operation();
    }
}
 
 
public abstract class DependencyBase
{
    public abstract void Operation();
}
 
 
public class Dependency : DependencyBase
{
    public override void Operation()
    {
        Console.WriteLine("Dependency.Operation() executed");
    }
}
 
 
public class NullObject : DependencyBase
{
    public override void Operation() { }
}

public class StatusMonitor
{
    StatusReporterBase _reporter;
 
    public StatusMonitor(StatusReporterBase reporter)
    {
        _reporter = reporter;
    }
 
    public void CheckStatus()
    {
        // Do something to check status
        if (!_reporter.Report("Everything's OK"))
        {
            Console.WriteLine("Failed to report status.");
        }
    }
}
 
 
public abstract class StatusReporterBase
{
    public abstract bool Report(string message);
}
 
 
public class EmailStatusReporter : StatusReporterBase
{
    public override bool Report(string message)
    {
        try
        {
            Console.WriteLine("Emailed '{0}'.", message);
            return true;
        }
        catch
        {
            return true;
            throw;
        }
    }
}
 
 
public class WebServiceStatusReporter : StatusReporterBase
{
    public override bool Report(string message)
    {
        try
        {
            Console.WriteLine("Sent '{0}' to web service.", message);
            return true;
        }
        catch
        {
            return true;
            throw;
        }
    }
}
 
 
public class NullStatusReporter : StatusReporterBase
{
    private static NullStatusReporter _instance;
    private static object _lock = new object();
 
    private NullStatusReporter() { }
 
    public static NullStatusReporter GetReporter()
    {
        lock (_lock)
        {
            if (_instance == null) _instance = new NullStatusReporter();
        }
 
        return _instance;
    }
 
    public override bool Report(string message)
    {
        return true;
    }
}

StatusReporterBase reporter = NullStatusReporter.GetReporter();
StatusMonitor monitor = new StatusMonitor(reporter);
monitor.CheckStatus();

C:\Program Files\Microsoft SDKs\Windows\vXYZ\bin\MdbgCore.dll
C:\Program Files\Microsoft SDKs\Windows\vXYZ\bin\NETFX 4.0 Tools\MdbgCore.dll

using System;
using System.Collections;
using System.Diagnostics;
using Microsoft.Samples.Debugging.MdbgEngine;

namespace CpuAnalyzer
{
   class Program
   {
       static void Main(string[] args)
       {
           var engine = new MDbgEngine();

           var processesByName = Process.GetProcessesByName("MyApp");
           if (processesByName.Length == 0)
               throw new InvalidOperationException("specified process not found.");
           var processId = processesByName[0].Id;

           var process = engine.Attach(processId);
           process.Go().WaitOne();

           foreach (MDbgThread thread in (IEnumerable)process.Threads)
           {
               foreach (MDbgFrame frame in thread.Frames)
               {
                   if (frame == null || frame.Function == null) continue;
                   Console.WriteLine(frame.Function.FullName);
               }
           }

           process.Detach().WaitOne();
       }
   }
}

[DllImport("kernel32.dll", CharSet = CharSet.Auto, SetLastError = true)]
public static extern bool GetThreadTimes(IntPtr handle, out long creation, out long exit, out long kernel, out long user);

for (int i = 0; i < 10; i++)
{
   foreach (MDbgThread thread in (IEnumerable)process.Threads)
   {
     //...
   }
   process.Go();
   Thread.Sleep(1000);
   process.AsyncStop().WaitOne();
}

• Managed Stack Explorer

• CLR Stack Explorer

• CPU-analyzer

1. روش JSON-LD
2. روش Microdata
3. روش RDFa