PersistenceProvider.LoadIfChanged(TimeSpan, Object, Object) Method
Definition
Important
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When implemented in a derived class, loads service state information from the persistence store if that data has been changed.
public:
virtual bool LoadIfChanged(TimeSpan timeout, System::Object ^ instanceToken, [Runtime::InteropServices::Out] System::Object ^ % instance);public virtual bool LoadIfChanged (TimeSpan timeout, object instanceToken, out object instance);abstract member LoadIfChanged : TimeSpan * obj * obj -> bool
override this.LoadIfChanged : TimeSpan * obj * obj -> boolPublic Overridable Function LoadIfChanged (timeout As TimeSpan, instanceToken As Object, ByRef instance As Object) As BooleanParameters
- timeout
- TimeSpan
The time period after which the persistence provider aborts this attempt.
- instanceToken
- Object
The token returned by a previous Create(Object, TimeSpan) or Update(Object, TimeSpan), which represents the current state held by the caller.
- instance
- Object
The actual instance state.
Returns
true if the instanceout parameter has been set with the latest copy from the persistence store; false if the locally cached state is already up to date.
Applies to
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