private void DisplayDeCodeCodeStream()
  {
System.Console.WriteLine("*********_DeCodeCodeStream************");
int count = _DeCodeCodeStream.Length;
for(int i = 0; i < count; i++)
{
 System.Console.WriteLine("{0}",_DeCodeCodeStream[i]);
}
  }
  private void AddOutCharStream(object str)
  {
_OutCharStream.Add(str);
  }
  private void AddDeCodeDictionary(object str)
  {
_DeCodeDictionary.Add(str);
  }
  private bool ISInDeCodeDictionary(int cw)
  {
bool result = false;
int  count = _DeCodeDictionary.Count;
if (cw <= count - 1)
{
 result = true;
}
return result;
  }
  public void Decode()
  {
InitDeCodeDictionary();
InitOutCharStream();
int cw = 0;
int pw = 0;
string Prefix = "";
string c="";
cw = _DeCodeCodeStream[0] - 1;
this.AddOutCharStream(this._DeCodeDictionary[cw]);
pw = cw;
int count = _DeCodeCodeStream.Length;
if (count == 0) return;
for(int i = 1; i < count; i++)
{
 cw = _DeCodeCodeStream[i] - 1;
 if (ISInDeCodeDictionary(cw))
 {
  this.AddOutCharStream(this._DeCodeDictionary[cw]);
  Prefix = this._DeCodeDictionary[pw].ToString();
  c = (this._DeCodeDictionary[cw].ToString())[0].ToString();
  this.AddDeCodeDictionary(Prefix + c);
 }
 else
 {
  Prefix = this._DeCodeDictionary[pw].ToString();
  c = Prefix[0].ToString();
  this.AddOutCharStream(Prefix + c);
  this.AddDeCodeDictionary(Prefix + c);
 }
 pw = cw;
}
#if debugdisplay
DisplayOutCharStream();
DisplayDeCodeCodeStream();
#if debugdictionary
DisplayDeCodeDictionary();
#endif
#endif
  }
  #endregion
 }
}

#undef debug
using System;

namespace LZW
{
 class Class1
 {
  [STAThread]
  static void Main(string[] args)
  {
cLZW lzw = new cLZW();
#if debug
lzw.InCharStream = "ABBABABACCBBAAA";
#else
System.Console.WriteLine("Enter the Tests CharArray [a-zA-Z0-9]:");
lzw.InCharStream = System.Console.ReadLine();
#endif
System.Console.WriteLine("The Coding ... ...");
lzw.Coding();
System.Console.WriteLine("The DeCode ... ...");
lzw.SetDeCodeSCodetream(lzw.CodingCodeStream);
lzw.Decode();
System.Console.ReadLine();
  }
 }
}