C#

CultureInfo ci = new CultureInfo("ar");
int codepage = ci.TextInfo.ANSICodePage;

Encoding enc = Encoding.GetEncoding(0x04e8);
byte[] buffer = enc.GetBytes(yourFarsiString);
foreach (byte b in buffer)
  Console.Write(b.ToString("x2"));
Console.WriteLine();

using System;
using System.Globalization;
using System.Text;
 
class Test
{
  static void Main()
  {
    CultureInfo ci = new CultureInfo("ar");
    int codepage = ci.TextInfo.ANSICodePage;
    Console.WriteLine("Using codepage 0x{0:x4}", codepage);
 
    string str = "\ufeed\ufee0\ufe8e\ufeeb";
    Console.WriteLine("Decoding " + str);
 
    Encoding enc = Encoding.GetEncoding(codepage);
    byte[] buffer = enc.GetBytes(str);
    foreach (byte b in buffer)
      Console.Write("0x{0:x2} ", b);
 
    Console.WriteLine();
  }
}

byte[] ubuf = Encoding.Unicode.GetBytes(c.ToString());<br />
Encoding enc = Encoding.GetEncoding(1256);<br />
byte[] abuff = Encoding.Convert(Encoding.Unicode, enc, ubuf);

// Here I get ASCII of my Char 'س' Unicode 1587<br />
// Create two different encodings.<br />
Encoding ascii = Encoding.ASCII;<br />
Encoding enc = Encoding.GetEncoding(1256);<br />
<br />
byte[] asciiBytes = enc.GetBytes("س");

char[] asciiChars = new char[ascii.GetCharCount(unicodeBytes, 0, unicodeBytes.Length)];<br />
ascii.GetChars(unicodeBytes, 0, unicodeBytes.Length, asciiChars, 0);<br />
string asciiString = new string(asciiChars);