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Encoding.EncoderFallback Property

Gets or sets the EncoderFallback object for the current Encoding object.

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

[ComVisibleAttribute(false)]
public EncoderFallback EncoderFallback { get; set; }

Property Value

Type: System.Text.EncoderFallback
The encoder fallback object for the current Encoding object.

ExceptionCondition
ArgumentNullException

The value in a set operation is null.

InvalidOperationException

A value cannot be assigned in a set operation because the current Encoding object is read-only.

The EncoderFallback object represents an error handler that is invoked when a character cannot be converted into an encoded byte sequence. Any one of the following handler types is supported:

  • A best-fit fallback handler, which replaces characters that cannot be encoded with some suitable replacement character.

  • A replacement fallback handler, which replaces characters that cannot be encoded with some arbitrary replacement character. The .NET Framework includes one replacement fallback handler, EncoderFallback, which by default replaces characters that cannot be encoded with a question mark ("?") character.

  • An exception fallback handler, which throws an exception when characters cannot be encoded. The .NET Framework includes one exception fallback handler, EncoderExceptionFallback, which throws an EncoderFallbackException when characters cannot be decoded.

.NET Framework

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

.NET Framework Client Profile

Supported in: 4, 3.5 SP1
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