Abort Method

WorkflowInstance.Abort Method

Aborts the workflow instance.

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

public void Abort()


The workflow runtime engine is not running.

The workflow instance is aborted in a synchronous manner; that is, the method returns after the workflow instance has been aborted. The workflow runtime engine invalidates the workflow instance in memory and clears the WorkBatch. If a persistence service was used by your workflow instance, all work performed since the last persistence point is thrown away. After it aborts the workflow instance, the workflow runtime engine raises the WorkflowAborted event. You can call GetWorkflow to reload the workflow instance and start from its last persistence point.

Abort is different from Terminate in that while Abort simply clears the in-memory workflow instance and can be restarted from the last persistence point, Terminate clears the in-memory workflow instance and informs the persistence service that the instance has been cleared from memory. For the SqlWorkflowPersistenceService, this means that all state information for that workflow instance is deleted from the database upon termination. You will not be able to reload the workflow instance from a previously stored persistence point.

The following example demonstrates calling Abort on a workflow instance of type Workflow1.

//Create a workflow runtime
WorkflowRuntime workflowRuntime = new WorkflowRuntime();
//Create a workflow instance
WorkflowInstance instance = workflowRuntime.CreateWorkflow(typeof(Workflow1));
//Start the instance
//Abort the instance

Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5, 3.0

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