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SpeechSequenceActivity.Cancel Method

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Cancels the activity.

Namespace: Microsoft.SpeechServer.Dialog
Assembly: Microsoft.SpeechServer (in microsoft.speechserver.dll)

Syntax

'Declaration
Protected Overrides Function Cancel ( _
    executionContext As ActivityExecutionContext _
) As ActivityExecutionStatus
protected override ActivityExecutionStatus Cancel (
    ActivityExecutionContext executionContext
)

Parameters

  • executionContext
    The execution context for the activity.

Return Value

One of the values shown in the following table:

Value

Description

System.Workflow.ComponentModel.ActivityExecutionStatus.Canceling

A child in the main flow is active (its status is System.Workflow.ComponentModel.ActivityExecutionStatus.Executing) and is a CommandsActivity or SpeechEventsActivity.

System.Workflow.ComponentModel.Activity.ExecutionStatus

An child in the main flow is not active (its status is a value other than System.Workflow.ComponentModel.ActivityExecutionStatus.Executing) and is a CommandsActivity or SpeechEventsActivity.

System.Workflow.ComponentModel.ActivityExecutionStatus.Canceling

The main flow has finished executing, but at least one secondary flow is still executing.

System.Workflow.ComponentModel.ActivityExecutionStatus.Closed

There are no remaining execution contexts.

Exceptions

Exception type Condition
ArgumentNullException

executionContext is null.

Thread Safety

All public static (Shared in Visual Basic) members of this type are thread-safe. Instance members are not guaranteed to be thread-safe.

Platforms

Development Platforms

Windows XP Professional with Service Pack 2 (SP2), Windows Server 2003, Windows Vista Ultimate Edition, Windows Vista Business Edition, Windows Vista Enterprise Edition

Target Platforms

Windows Server 2003

See Also

Reference

SpeechSequenceActivity Class
SpeechSequenceActivity Members
Microsoft.SpeechServer.Dialog Namespace