using System;

using System.Collections.Generic;

​

public class Program

{

    public static void ApplyScans(IList<IScan> scannables){

        foreach(IScan scannable in scannables){

            scannable.DoScan();

        }

    }

    public static void ValidateTransfers(IList<TransferScan> transferScans){

        foreach(TransferScan scan in transferScans){

            Console.WriteLine("Name: "+scan.name());

        }

    }

    public static void Main()

    {

        IList<IScan> myScannables = new List<IScan>(){

            new TransferScan("One"),

            new TransferScan("Two"),

            new TransferScan("Three")

        };

        ApplyScans(myScannables);

        ValidateTransfers(myScannables);

    }

}

​

public interface IScan

{

    void DoScan();

}

​

public class TransferScan: IScan {

    private readonly string _name;

    public TransferScan(string name){

        _name = name;

    }

    public string name(){ return _name; }

    public void DoScan(){

        Console.WriteLine("Scanned: " + _name); 

    }

}