Technical Articles: Common Components™ - Immutable, Self-Referential Graphs: Why & How

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Example: Circular Reference (incomplete)

using System;
using System.Collections;
using System.Collections.Generic;
using System.Xml;

public interface Strategy
{
  void Process(object argument);
}

internal class UnwrapList : Strategy
{
  private readonly Strategy _Whole;

  public void Process(object argument)
  {
    IList argumentAsList;

    try
    {
      argumentAsList = (IList)argument;
    }
    catch (InvalidCastException)
    {
      return;
    }

    foreach (object o in argumentAsList)
    {
      _Whole.Process(o);
    }
  }
}

Related Links: Common Components