ToUpperInvariant Method

Char.ToUpperInvariant Method

[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]

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

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

'Declaration
Public Shared Function ToUpperInvariant ( _
	c As Char _
) As Char

Parameters

c
Type: System.Char
The Unicode character to convert.

Return Value

Type: System.Char
The uppercase equivalent of the c parameter, or the unchanged value of c, if c is already uppercase or not alphabetic.

If your application is unaffected by the current culture and depends on the case of a character changing in a predictable way, use the ToUpperInvariant method. The ToUpperInvariant method is equivalent to ToUpper(Char, CultureInfo.InvariantCulture).

Use String.ToUpperInvariant to convert a string to uppercase.

Windows Phone OS

Supported in: 8.1, 8.0, 7.1, 7.0

Windows Phone

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