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EventDeliveryFailedException Class

Note: This API is now obsolete.

The exception that is thrown when an event that is raised from the host cannot be delivered to the workflow instance. Typically the event is raised from an ExternalDataExchangeService on a workflow instance. This class cannot be inherited.

System.Object
  System.Exception
    System.SystemException
      System.Workflow.Activities.EventDeliveryFailedException

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

'Declaration
<SerializableAttribute> _
<ObsoleteAttribute("The System.Workflow.* types are deprecated.  Instead, please use the new types from System.Activities.*")> _
Public NotInheritable Class EventDeliveryFailedException _
	Inherits SystemException

The EventDeliveryFailedException type exposes the following members.

  NameDescription
Public methodEventDeliveryFailedExceptionInitializes a new instance of the EventDeliveryFailedException class.
Public methodEventDeliveryFailedException(String)Initializes a new instance of the EventDeliveryFailedException class by using the error message that explains the reason for the exception.
Public methodEventDeliveryFailedException(String, Exception)Initializes a new instance of the EventDeliveryFailedException class by using the error message that explains the reason for the exception and the Exception that caused this exception.
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  NameDescription
Public propertyDataGets a collection of key/value pairs that provide additional user-defined information about the exception. (Inherited from Exception.)
Public propertyHelpLinkGets or sets a link to the help file associated with this exception. (Inherited from Exception.)
Public propertyHResultGets or sets HRESULT, a coded numerical value that is assigned to a specific exception. (Inherited from Exception.)
Public propertyInnerExceptionGets the Exception instance that caused the current exception. (Inherited from Exception.)
Public propertyMessageGets a message that describes the current exception. (Inherited from Exception.)
Public propertySourceGets or sets the name of the application or the object that causes the error. (Inherited from Exception.)
Public propertyStackTraceGets a string representation of the immediate frames on the call stack. (Inherited from Exception.)
Public propertyTargetSiteGets the method that throws the current exception. (Inherited from Exception.)
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  NameDescription
Public methodEquals(Object)Determines whether the specified object is equal to the current object. (Inherited from Object.)
Public methodGetBaseExceptionWhen overridden in a derived class, returns the Exception that is the root cause of one or more subsequent exceptions. (Inherited from Exception.)
Public methodGetHashCodeServes as the default hash function. (Inherited from Object.)
Public methodGetObjectDataWhen overridden in a derived class, sets the SerializationInfo with information about the exception. (Inherited from Exception.)
Public methodGetTypeGets the runtime type of the current instance. (Inherited from Exception.)
Public methodToStringCreates and returns a string representation of the current exception. (Inherited from Exception.)
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NoteNote

This material discusses types and namespaces that are obsolete. For more information, see Deprecated Types in Windows Workflow Foundation 4.5.

The following string is added to the event log when this exception is thrown: Event "{1}" on interface type "{0}" for instance id "{2}" cannot be delivered.

When using a state machine workflow, you might get an exception with the message "Queue '{0}' is not enabled." This happens when the current state of the state machine does not know how to handle a specific event. For example, when some state other than the current state contains the EventDrivenActivity that contains the HandleExternalEventActivity that is represented by the queue '{0}'.

.NET Framework

Supported in: 4, 3.5, 3.0
Obsolete (compiler warning) in 4.5.2
Obsolete (compiler warning) in 4.5.1
Obsolete (compiler warning) in 4.5

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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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