HaveMandatoryHeadersBeenUnderstood Method
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MessageHeaders.HaveMandatoryHeadersBeenUnderstood Method

[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]

Verifies whether all the message headers marked with MustUnderstand are properly interpreted and processed.

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

'Declaration
Public Function HaveMandatoryHeadersBeenUnderstood As Boolean

Return Value

Type: System.Boolean
true if the recipients specified by actors have properly interpreted and processed all the message headers marked with MustUnderstand; otherwise, false.

If the message receiver cannot interpret the message headers marked with MustUnderstand, the message is not processed and an exception is thrown.

Windows Phone OS

Supported in: 8.1, 8.0, 7.1, 7.0

Windows Phone

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