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MustUnderstandBehavior Class

Instructs to disable the mandatory processing of headers not in the UnderstoodHeaders collection that must be understood according to the SOAP 1.1 and 1.2 specifications.

System.Object
  System.ServiceModel.Description.MustUnderstandBehavior

Namespace:  System.ServiceModel.Description
Assembly:  System.ServiceModel (in System.ServiceModel.dll)

public class MustUnderstandBehavior : IEndpointBehavior

The MustUnderstandBehavior type exposes the following members.

  NameDescription
Public methodMustUnderstandBehaviorInitializes a new instance of the MustUnderstandBehavior class using the specified value.
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  NameDescription
Public propertyValidateMustUnderstandGets or sets a value that specifies whether to ensure that a header is understood according to the SOAP 1.1 and 1.2 specifications.
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  NameDescription
Public methodEquals(Object)Determines whether the specified Object is equal to the current Object. (Inherited from Object.)
Protected methodFinalizeAllows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.)
Public methodGetHashCodeServes as a hash function for a particular type. (Inherited from Object.)
Public methodGetTypeGets the Type of the current instance. (Inherited from Object.)
Protected methodMemberwiseCloneCreates a shallow copy of the current Object. (Inherited from Object.)
Public methodToStringReturns a string that represents the current object. (Inherited from Object.)
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By default the client or service runtime throws an exception when it encounters a System.ServiceModel.Channels.MessageHeader in a message for which the MessageHeader.MustUnderstand property is true but the header is not in the MessageHeaders.UnderstoodHeaders property for the message.

To prevent this behavior, use the MustUnderstandBehavior and set the ValidateMustUnderstand property to false. Typically, this is used in scenarios where the message content is meant to be relayed somewhere else and not processed, such as a router service.

.NET Framework

Supported in: 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

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