List the Unicode code point of each of the control characters. : Unicode « I18N Internationalization « C# / CSharp Tutorial

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C# / CSharp Tutorial » I18N Internationalization » Unicode 
21.15.6.List the Unicode code point of each of the control characters.
using System;

public class ControlChars
{
   public static void Main()
   {
      int charsWritten = 0;

      for (int ctr = 0x00; ctr <= 0xFFFF; ctr++)
      {
         char ch = Convert.ToChar(ctr);
         if (char.IsControl(ch))
         {
            Console.Write(@"\U{0:X4}    ", ctr);
            charsWritten++;
            if (charsWritten % == 0)
               Console.WriteLine();
         }     
      }  
   }
}
21.15.Unicode
21.15.1.Create and write a string containing the symbol for Pi
21.15.2.Use GetByteCount to return the number of bytes required to encode an array of Unicode characters, using UTF8Encoding.
21.15.3.Unicode Encoding Example
21.15.4.Decode a range of elements from a byte array and store them in a Unicode character array
21.15.5.Unicode Encoding Example
21.15.6.List the Unicode code point of each of the control characters.
21.15.7.Encode a range of elements from a Unicode character array and store the encoded bytes in a range of elements in a byte array.
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