//Define the Adapter Class, Adaptee Class and Target Interface.

//Define the ITarget interface which defines the class structure that the client will use.
public interface ITarget
{
string Request(int i);
}

//The Adaptee class (object) represents the class, in which the behaviour will be modified by the Adapter class (object).
public class Adaptee
{
public double SpecificRequest(double a, double b)
{
return a / b;
}
}

//The Adapter class (object) inherits behaviour from both the ITarget interface and the Adaptee class.
public class Adapter : Adaptee, ITarget
{
public string Request(int i)
{
return "Rough estimate is " + (int)Math.Round(SpecificRequest(i, 3));
}
}