Gets or sets a value that indicates whether the header must be understood, according to SOAP 1.1/1.2 specification.
Assembly: System.ServiceModel (in System.ServiceModel.dll)
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.
Available since 4.5
Available since 3.0
Portable Class Library
Supported in: portable .NET platforms
Available since 2.0
Windows Phone Silverlight
Available since 7.0