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QueryCorrelationInitializer Class

Initializes the associated CorrelationHandle based on the results of the MessageQuerySet when the message is sent or received.

System.Object
  System.ServiceModel.Activities.CorrelationInitializer
    System.ServiceModel.Activities.QueryCorrelationInitializer

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

'Declaration
<ContentPropertyAttribute("MessageQuerySet")> _
Public NotInheritable Class QueryCorrelationInitializer _
	Inherits CorrelationInitializer

The QueryCorrelationInitializer type exposes the following members.

  NameDescription
Public methodQueryCorrelationInitializerInitializes a new instance of the QueryCorrelationInitializer class.
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  NameDescription
Public propertyCorrelationHandleGets or sets the CorrelationHandle argument for the correlation initializer. (Inherited from CorrelationInitializer.)
Public propertyMessageQuerySetGets or sets the MessageQuerySet that is used to perform the CorrelationKey calculation.
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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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The following example shows how to use the QueryCorrelationInitializer class to set the correlation initialize for a SendReply activity.


new SendReply
{
    DisplayName = "Send Adjusted Cost",
    Request = prescriptionRequest,
    // Initialize the orderHandle using the MessageQuerySet to correlate with the final GetAdjustedCost request
    CorrelationInitializers = 
    {
        new QueryCorrelationInitializer
        {
            CorrelationHandle = orderHandle,
            MessageQuerySet = GetOrderQuerySet
        }
    },
    Content = SendContent.Create(new InArgument<Order>((e) => order.Get(e)))
}


.NET Framework

Supported in: 4

.NET Framework Client Profile

Supported in: 4

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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