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Activity.Canceling Event

Occurs when the activity execution is canceled.

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

member Canceling : IEvent<EventHandler<ActivityExecutionStatusChangedEventArgs>,

Raising an event invokes the event handler through a delegate. For more information, seeRaising an Event.

The Cancel method also allows derived classes to handle the event without attaching a delegate. This is the preferred technique for handling the event in a derived class. For more information about handling events, see Consuming Events.

Notes to Inheritors

When overriding Canceling in a derived class, make sure to call the base class Cancel method so that registered delegates receive the event.

.NET Framework

Supported in: 4, 3.5, 3.0

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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