C # implement simplified and Traditional Chinese Interchange

Using System;
Using System. text;
Using System. Text. regularexpressions;
Using System. IO;
Using System. Web;

//

// cg2bfilter summary
///
Public class cg2bfilter: stream
{< br> stream responsestream;
long position;
stringbuilder responsehtml;

Public cg2bfilter (Stream inputstream)
{< br> responsestream = inputstream;
responsehtml = New stringbuilder ();
}

# region filter overrides
Public override bool Canread
{< br> Get { return true ;}< BR >}

Public override bool canseek
{< br> Get { return true ;}
}

Public override bool canwrite
{< br> Get { return true ;}
}

Public Override VoidClose ()
{
Responsestream. Close ();
}

Public Override VoidFlush ()
{
Responsestream. Flush ();
}

Public override long length
{< br> Get { return 0 ;}
}

Public override long position
{< br> Get { return position ;}
set {position = value ;}
}

Public override long seek ( long offset, seekorigin origin)
{< br> return responsestream. seek (offset, origin);
}

Public override void setlength ( long length)
{< br> responsestream. setlength (length);
}

Public Override IntRead (Byte[] Buffer,IntOffset,IntCount)
{
ReturnResponsestream. Read (buffer, offset, count );
}
# Endregion

# Region Conversion task
Public   Override   Void Write ( Byte [] Buffer, Int Offset, Int Count)
{
String Strbuffer = System. Text. utf8encoding. utf8.getstring (buffer, offset, count );
String Finalhtml = Simplified2traditional (strbuffer );
Byte [] Data = System. Text. utf8encoding. utf8.getbytes (finalhtml );
Responsestream. Write (data, 0 , Data. Length );

}

# endregion
# region custom functions
Public string traditional2simplified ( string Str)
{< br> return (Microsoft. visualBasic. strings. strconv (STR, Microsoft. visualBasic. vbstrconv. simplifiedchinese, 0 ));

}
Public StringSimplified2traditional (StringStr)
{
Return(Microsoft. VisualBasic. Strings. strconv (StrAsString, Microsoft. VisualBasic. vbstrconv. traditionalchinese,0));

}
# Endregion

// response. filter = new cg2bfilter (response. filter); In Aspx. call
}