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PersistenceProvider::BeginDelete Method (Object^, TimeSpan, AsyncCallback^, Object^)
.NET Framework (current version)
When implemented in a derived class, represents the beginning of the Delete phase. The Delete phase occurs when service state data is permanently deleted from the persistence store.
Assembly: System.WorkflowServices (in System.WorkflowServices.dll)
public: virtual IAsyncResult^ BeginDelete( Object^ instance, TimeSpan timeout, AsyncCallback^ callback, Object^ state ) abstract
Parameters
- instance
-
Type:
System::Object^
The actual instance state.
- timeout
-
Type:
System::TimeSpan
The time period after which the persistence provider aborts this attempt.
- callback
-
Type:
System::AsyncCallback^
The method to be called when the operation is completed.
- state
-
Type:
System::Object^
A user-provided object that distinguishes this particular asynchronous operation from other operations.
The following code demonstrates how to implement the BeginDelete method. This code example is part of the DurableServiceFactory SDK sample from the FilePersistenceProviderFactory.cs file. For more information, seethe DurableServiceFactory SDK sample.
public override IAsyncResult BeginDelete(object instance, TimeSpan timeout, AsyncCallback callback, object state) { base.ThrowIfDisposedOrNotOpen(); return this.factory.BeginDelete(this.Id, timeout, callback, state); }
.NET Framework
Available since 3.5
Available since 3.5
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