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MessageHeaderInfo.MustUnderstand Property

Gets or sets a value that indicates whether processing the message header is mandatory or optional.

Namespace:  System.ServiceModel.Channels
Assemblies:   System.ServiceModel.Primitives (in System.ServiceModel.Primitives.dll)
  System.ServiceModel (in System.ServiceModel.dll)

public abstract bool MustUnderstand { get; }

Property Value

Type: System.Boolean
true if processing the message header is mandatory; otherwise, false.

If this property is true and the message receiver cannot interpret the message header, the message is not processed and an exception is thrown. If this property is false, the receiver can ignore the message header and continue processing.

.NET Framework

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

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

.NET for Windows Phone apps

Supported in: Windows Phone 8.1, Windows Phone Silverlight 8.1, Windows Phone Silverlight 8

Portable Class Library

Supported in: Portable Class Library
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