WorkflowInstance.OnRequestAbort Method (Exception)

.NET Framework (current version)

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Called by the workflow runtime to notify the host that an abort operation has been requested for the workflow instance.

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

Protected Friend MustOverride Sub OnRequestAbort (
	reason As Exception


Type: System.Exception

The reason for aborting the workflow instance.

Once OnRequestAbort is called, most WorkflowInstance.WorkflowInstanceControl APIs except Abort will throw an InvalidOperationException. It is expected that after OnRequestAbort is called a host will trend toward a state in which it can satisfy the abort.

.NET Framework
Available since 4.0
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