My Prototype in C #

Myprototype
Using System;
Using System.Collections;
Abstract Pagestyleprototype Class ' Prototype
Abstract class Pagestyleprototype
{
Fields
protected string stylestring;
Properties
public string stylestring
{
Get{return stylestring;}
Set{stylestring=value;}
}
Methods
Abstract public Pagestyleprototype Clone ();
};
---pagestyle Class---
Class Pagestyle:pagestyleprototype
{
Constructor
Public Pagestyle (String stylestr)
{
STYLESTRING=STYLESTR;
}
Override public Pagestyleprototype Clone ()
{
Return (Pagestyleprototype) this. MemberwiseClone ();
}

public void Displaystyle ()
{
Console.WriteLine (stylestring);
}

};
--------------------------------------------End of Style Class
Stylemanager Class
Class Stylemanager
{
Fields
Protected Hashtable styleht=new Hashtable ();
protected Pagestyleprototype styleref;

Constructors
Public Stylemanager ()
{
Styleref=new Pagestyle ("Thefirststyle");
Styleht. ADD ("Style1", STYLEREF);

Styleref=new Pagestyle ("Thesecondstyle");
Styleht. ADD ("Style2", STYLEREF);

Styleref=new Pagestyle ("Thethirdstyle");
Styleht. ADD ("Style3", STYLEREF);
}

Indexers
Public Pagestyleprototype this[string Key]
{
get{return (Pagestyleprototype) Styleht[key];}
set{styleht. ADD (Key,value);}
}
};
--------------------------------------------End of Stylemanager Class
TestApp
Class TESTAPP
{
public static void Main (string[] args)
{
Stylemanager Stylemanager =new Stylemanager ();

Pagestyle Stylea = (pagestyle) stylemanager["Style1"]. Clone ();
Pagestyle Styleb = (pagestyle) stylemanager["Style2"]. Clone ();
Pagestyle Stylec = (pagestyle) stylemanager["Style3"]. Clone ();

stylemanager["Style4"]=new pagestyle ("Theforthstyle");

Pagestyle styled = (pagestyle) stylemanager["Style4"]. Clone ();

Stylea. Displaystyle ();
Styleb. Displaystyle ();
Stylec. Displaystyle ();
Styled. Displaystyle ();

while (true) {}
}
};