C# Char IsControl(Char)

Description

Char IsControl(Char) indicates whether the specified Unicode character is categorized as a control character.

Syntax

Char.IsControl(Char) has the following syntax.

public static bool IsControl(
  char c
)

Parameters

Char.IsControl(Char) has the following parameters.

• c - The Unicode character to evaluate.

Returns

Char.IsControl(Char) method returns true if c is a control character; otherwise, false.

Example

The following example lists the Unicode code point of each of the control characters.

//from w w w.  ja v a 2  s.  com
using System;

public class MainClass
{
   public static void Main()
   {
      for (int ctr = 0x00; ctr <= 0xFFFF; ctr++)
      {
         char ch = Convert.ToChar(ctr);
         if (char.IsControl(ch))
         {
            Console.WriteLine(@"\U{0:X4}    ", ctr);
         }
      }
   }
}

The code above generates the following result.