DurableTimerExtension Class
.NET Framework 4.5
Represents an activity timer extension that can be persisted.
System.Object
System.Activities.Statements.TimerExtension
System.Activities.Statements.DurableTimerExtension
System.Activities.Statements.TimerExtension
System.Activities.Statements.DurableTimerExtension
Assembly: System.Activities (in System.Activities.dll)
The DurableTimerExtension type exposes the following members.
| Name | Description | |
|---|---|---|
 | CancelTimer | Removes a timer. (Inherited from TimerExtension.) |
| Dispose | Terminates all registered timers. |
| Equals(Object) | Determines whether the specified object is equal to the current object. (Inherited from Object.) |
 | Finalize | Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.) |
| GetAdditionalExtensions | Returns an enumerator that iterates over the collection of timer extensions. |
| GetHashCode | Serves as a hash function for a particular type. (Inherited from Object.) |
| GetType | Gets the Type of the current instance. (Inherited from Object.) |
| MemberwiseClone | Creates a shallow copy of the current Object. (Inherited from Object.) |
| OnCancelTimer | Removes a timer object from the table of registered timers for the current workflow operation. (Overrides TimerExtension.OnCancelTimer(Bookmark).) |
| OnRegisterTimer | Adds a timer object that contains the specified time span and bookmark information to the table of registered timers for the current workflow operation. (Overrides TimerExtension.OnRegisterTimer(TimeSpan, Bookmark).) |
| RegisterTimer | Creates a timer with the specified duration and associated. (Inherited from TimerExtension.) |
| SetInstance | Establishes the specified workflow instance as the current instance. |
| ToString | Returns a string that represents the current object. (Inherited from Object.) |
A DurableTimerExtension object can only be associated with a single workflow instance. If a DurableTimerExtension object is used with more than one workflow instance, an InvalidOperationException is thrown with the following message:
This TimerExtension has already been attached to a workflow instance.
Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
