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The GetService function can be used inside of an activity to return a reference to one of the BaseRuntimeServices derived classes that have been added to the WorkflowRuntime.
The GetService function is defined on a number of classes and interfaces like WorkflowRuntime, ActivityExecutionContext, ExternalDataExchangeService and IServiceProvider.
Depending on the object used to call GetService a number of RuntimeServices might not be returned, a null/Nothing is returned instead. This is the case with a ActivityExecutionContext which will not return any of the following: WorkflowSchedulerService, WorkflowPersistenceService, TrackingService, WorkflowCommitWorkBatchService, WorkflowLoaderService or the WorkflowRuntime itself.
http://msdn.microsoft.com/en-us/library/ms592893.aspx
Returns a service of the specified type.
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The WF runtime engine executes workflows by using runtime services.
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The set of objects used to host the Workflow and provide services to it.
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Returns a service of the specified type.
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The set of objects used to host the Workflow and provide services to it.
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Represents the execution environment of an Activity
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add a one or paragraph summary or description of what's discussed here; put yours after 'Summary:'
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Returns a service of the specified type.
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The WF runtime engine executes workflows by using runtime services.
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Represents the execution environment of an Activity
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Workflow Scheduler Services manage how workflow instances are scheduled by the workflow runtime engine.
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The abstract base class from which all persistence services are derived.
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Base class for all workflow tracking services
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add a one or paragraph summary or description of what's discussed here; put yours after 'Summary:'
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add a one or paragraph summary or description of what's discussed here; put yours after 'Summary:'
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The set of objects used to host the Workflow and provide services to it.
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