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NumberFormatInfo.ReadOnly Method

Returns a read-only NumberFormatInfo wrapper.

Namespace:  System.Globalization
Assemblies:   System.Globalization (in System.Globalization.dll)
  mscorlib (in mscorlib.dll)

public static NumberFormatInfo ReadOnly(
	NumberFormatInfo nfi
)

Return Value

Type: System.Globalization.NumberFormatInfo
A read-only NumberFormatInfo wrapper around nfi.

ExceptionCondition
ArgumentNullException

nfi is null.

This wrapper prevents any modifications to nfi.

Attempting to perform an assignment to a property of a read-only NumberFormatInfo causes an InvalidOperationException.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Portable Class Library

Supported in: Portable Class Library

.NET for Windows Store apps

Supported in: Windows 8

Supported in: Windows Phone 8.1

Supported in: Windows Phone Silverlight 8.1

Supported in: Windows Phone Silverlight 8

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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

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