Char.ToLower Method (Char, CultureInfo)

Converts the value of a specified Unicode character to its lowercase equivalent using specified culture-specific formatting information.

Namespace: System
Assembly: mscorlib (in mscorlib.dll)

Public Shared Function ToLower ( _
	c As Char, _
	culture As CultureInfo _
) As Char
Dim c As Char
Dim culture As CultureInfo
Dim returnValue As Char

returnValue = Char.ToLower(c, culture)
public static char ToLower (
	char c, 
	CultureInfo culture
public static function ToLower (
	c : char, 
	culture : CultureInfo
) : char



A Unicode character.


A System.Globalization.CultureInfo object that supplies culture-specific casing rules, or a null reference (Nothing in Visual Basic).

Return Value

The lowercase equivalent of c, modified according to culture, or the unchanged value of c, if c is already lowercase or not alphabetic.

Exception typeCondition


culture is a null reference (Nothing in Visual Basic).

Use String.ToLower to convert a string to lowercase.

The following code example demonstrates ToLower.

imports System

Module ToLowerSample

    Sub Main()
        Console.WriteLine(Char.ToLower("A"c))               ' Output: "a"
    End Sub

End Module

import System.*;
import System.Globalization.*; // for CultureInfo

public class ToLowerSample
    public static void main(String[] args)
        Console.WriteLine(Char.ToLower('A'));    // Output: "a"
    } //main
} //ToLowerSample

Windows 98, Windows 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.

.NET Framework

Supported in: 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 2.0, 1.0

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