IWorkflowInstanceManagement.BeginCancel(Guid, AsyncCallback, Object) Method

Reference

Definition

Namespace:: System.ServiceModel.Activities

Assembly:: System.ServiceModel.Activities.dll

Important

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Begins an asynchronous operation to cancel the specified workflow instance.

public:
 IAsyncResult ^ BeginCancel(Guid instanceId, AsyncCallback ^ callback, System::Object ^ state);

[System.ServiceModel.OperationContract(AsyncPattern=true, Name="Cancel")]
public IAsyncResult BeginCancel (Guid instanceId, AsyncCallback callback, object state);

[<System.ServiceModel.OperationContract(AsyncPattern=true, Name="Cancel")>]
abstract member BeginCancel : Guid * AsyncCallback * obj -> IAsyncResult

Public Function BeginCancel (instanceId As Guid, callback As AsyncCallback, state As Object) As IAsyncResult

Parameters

instanceId: Guid

The GUID identifier of the workflow instance to cancel.

callback: AsyncCallback

The asynchronous callback delegate that receives the notification of the asynchronous operation completion.

state: Object

An object, specified by the application, that contains state information associated with the asynchronous cancel operation.

Returns

IAsyncResult

An IAsyncResult.

Attributes: OperationContractAttribute

Remarks

The cancel process quits a workflow instance and returns to the previous state without saving any changes that the workflow may have made.

Applies to