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Char.ToUpper Method (Char)

Converts the value of a Unicode character to its uppercase equivalent.

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

'Declaration
Public Shared Function ToUpper ( _
	c As Char _
) As Char
'Usage
Dim c As Char
Dim returnValue As Char

returnValue = Char.ToUpper(c)
public static char ToUpper (
	char c
)
public static function ToUpper (
	c : char
) : char

Parameters

c

A Unicode character.

Return Value

The uppercase equivalent of c, or the unchanged value of c, if c is already uppercase or not alphabetic.

Casing rules are obtained from the current culture.

Use String.ToUpper to convert a string to uppercase.

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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