DecoderReplacementFallback Constructor (String)

Initializes a new instance of the DecoderReplacementFallback class using a specified replacement string.

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

public DecoderReplacementFallback(
	string replacement


Type: System.String

A string that is emitted in a decoding operation in place of an input byte sequence that cannot be decoded.


replacement is null.


replacement contains an invalid surrogate pair. In other words, the surrogate pair does not consist of one high surrogate component followed by one low surrogate component.

The replacement parameter initializes the replacement string that is the value of the DecoderReplacementFallback object. A commonly used value is the Unicode "Replacement Character" (U+FFFD), which is specifically intended to replace an incoming character having a value that is unknown or unrepresentable in Unicode.

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

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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