C# Char ToUpperInvariant

Description

Char ToUpperInvariant converts the value of a Unicode character to its uppercase equivalent using the casing rules of the invariant culture.

Syntax

Char.ToUpperInvariant has the following syntax.

public static char ToUpperInvariant(
  char c
)

Parameters

Char.ToUpperInvariant has the following parameters.

• c - The Unicode character to convert.

Returns

Char.ToUpperInvariant method returns The uppercase equivalent of the c parameter, or the unchanged value of c, if c is already uppercase or not alphabetic.

Example

The following code shows how to use the Char.ToUpperInvariant method.

using System;/*from  ww w.  ja v a2 s  .c  o m*/
using System.Globalization;

public class Example
{
   public static void Main()
   {
      Char[] chars = {'e', 'E', 'i', 'I' };

      foreach (var ch in chars) {
         Console.Write(Char.ToUpperInvariant(ch));
      }   
   }
}

The code above generates the following result.