示例代码：
// Prototype
namespace Prototype_DesignPattern
{
using System;
// Objects which are to work as prototypes must be based on classes which
// are derived from the abstract prototype class
abstract class AbstractPrototype
{
abstract public AbstractPrototype CloneYourself();
}
// This is a sample object
class MyPrototype : AbstractPrototype
{
override public AbstractPrototype CloneYourself()
{
return ((AbstractPrototype)MemberwiseClone());
}
// lots of other functions go here!
}
// This is the client piece of code which instantiate objects
// based on a prototype.
class Demo
{
private AbstractPrototype internalPrototype;
public void SetPrototype(AbstractPrototype thePrototype)
{
internalPrototype = thePrototype;
}
public void SomeImportantOperation()
{
// During Some important operation, imagine we need
// to instantiate an object - but we do not know which. We use
// the predefined prototype object, and ask it to clone itself.
AbstractPrototype x;
x = internalPrototype.CloneYourself();
// now we have two instances of the class which as as a prototype
}
}
/// <summary>
/// Summary description for Client.
/// </summary>
public class Client
{
public static int Main(string[] args)
{
Demo demo = new Demo();
MyPrototype clientPrototype = new MyPrototype();
demo.SetPrototype(clientPrototype);
demo.SomeImportantOperation();
return 0;
}
}
}
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