Properly Implementing the Prototype Pattern

IPrototype.cs

using System;

/// <summary>
/// An example prototype interface.
/// <para>The Prototype pattern is a creational
/// pattern, whose purpose is to specify the kinds 
/// of objects to create using a prototypical 
/// instance, and create new objects by copying 
/// this prototype.</para>
/// </summary>
public interface IPrototype
{
    #region Member(s)

    Object ShallowCopy();

    Object DeepCopy();

    #endregion Member(s)
}

Prototype.cs

using System;

public class Prototype : IPrototype
{
    #region Event(s)

    public event EventHandler Event;

    #endregion Event(s)

    #region Property(s)

    public String ValueTypeProperty { get; set; }

    public IPrototype ReferenceTypeProperty { get; set; }

    #endregion Property(s)

    #region Member(s)

    public Object ShallowCopy()
    {
        return this.MemberwiseClone();
    }

    public Object DeepCopy()
    {
        Prototype clone = (Prototype)this.MemberwiseClone();
        clone.ReferenceTypeProperty = (IPrototype)ReferenceTypeProperty.DeepCopy();
        return clone;
    }

    #endregion Member(s)
}