DialogEventActivity.IEventActivity.Unsubscribe Method

Cancels the subscription of the DialogEventActivity to an event.

Namespace:  Microsoft.Rtc.Workflow.Activities
Assembly:  Microsoft.Rtc.Workflow (in Microsoft.Rtc.Workflow.dll)

Syntax

'Declaration
Private Sub Unsubscribe ( _
    parentContext As ActivityExecutionContext, _
    parentEventHandler As IActivityEventListener(Of QueueEventArgs) _
) Implements IEventActivity.Unsubscribe
'Usage
Dim instance As DialogEventActivity
Dim parentContext As ActivityExecutionContext
Dim parentEventHandler As IActivityEventListener(Of QueueEventArgs)

CType(instance, IEventActivity).Unsubscribe(parentContext, _
    parentEventHandler)

void IEventActivity.Unsubscribe(
    ActivityExecutionContext parentContext,
    IActivityEventListener<QueueEventArgs> parentEventHandler
)

Parameters

• parentContext
  Type: System.Workflow.ComponentModel.ActivityExecutionContext

• parentEventHandler
  Type: System.Workflow.ComponentModel.IActivityEventListener<QueueEventArgs>

Implements

IEventActivity.Unsubscribe(ActivityExecutionContext, IActivityEventListener<QueueEventArgs>)

Exceptions

Exception	Condition
ArgumentNullException	Thrown if the argument is null.

See Also

Reference

DialogEventActivity Class

DialogEventActivity Members

Microsoft.Rtc.Workflow.Activities Namespace