//  Class Adapter pattern -- Structural example  
using System;

// "ITarget"
interface ITarget
{
    // Methods
    void Request();
}

// "Adaptee"
class Adaptee
{
    // Methods
    public void SpecificRequest()
    {
        Console.WriteLine("Called SpecificRequest()");
    }
}

// "Adapter"
class Adapter : Adaptee, ITarget
{
    // Implements ITarget interface
    public void Request()
    {
        // Possibly do some data manipulation
        // and then call SpecificRequest
        this.SpecificRequest();
    }
}

/// <summary>
/// Client test
/// </summary>
public class Client
{
    public static void Main(string[] args)
    {
        // Create adapter and place a request
        ITarget t = new Adapter();
        t.Request();
    }
}

// Adapter pattern -- Structural example  
using System;

// "Target"
class Target
{
    // Methods
    virtual public void Request()
    {
        // Normal implementation goes here
    }
}

// "Adapter"
class Adapter : Target
{
    // Fields
    private readonly Adaptee _adaptee = new Adaptee();

    // Methods
    override public void Request()
    {
        // Possibly do some data manipulation
        // and then call SpecificRequest
        _adaptee.SpecificRequest();
    }
}

// "Adaptee"
class Adaptee
{
    // Methods
    public void SpecificRequest()
    {
        Console.WriteLine("Called SpecificRequest()");
    }
}

/// <summary>
/// Client test
/// </summary>
public class Client
{
    public static void Main(string[] args)
    {
        // Create adapter and place a request
        Target t = new Adapter();
        t.Request();
    }
}

// Example of implementing the Adapter pattern
using System;

// Target
public interface ICar
{
    void Drive();
}

// Direct use without Adapter
public class CToyota : ICar
{
    public void Drive()
    {
        Console.WriteLine("Vroom Vroom, we're off in our Toyota");
    }
}

// Adaptee
public class CCessna
{
    public void Fly()
    {
        Console.WriteLine("Static runup OK, we're off in our C172");
    }
}

// Class Adapter
public class CDrivableCessna : CCessna, ICar
{
    public void Drive() { base.Fly(); }
}

// Object Adapter
public class CDrivableCessna2 : ICar
{
    private readonly CCessna _mOContained;

    public CDrivableCessna2()
    {
        _mOContained = new CCessna();
    }

    public void Drive() { _mOContained.Fly(); }
}

// Client
public class Client
{
    public static void Main(string[] args)
    {
        ICar oCar = new CToyota();

        Console.Write("Class Adapter: Driving an Automobile");
        oCar.Drive();
        oCar = new CDrivableCessna();
        Console.Write("Driving a Cessna");
        oCar.Drive();
        oCar = new CDrivableCessna2();
        Console.Write(" Object Adapter: Driving a Cessna");
        oCar.Drive();
    }
}