IStackerDriver interface VWorks plugins that control stackers must implement the IStackerDriver interface. This section defines the IStackerDriver methods. IMPORTANT All VWorks device driver plugins must implement the IWorksDriver, IControllerClient, and IWorksDiags interfaces. This section contains the following topics: • “IStackerDriver methods overview” • “IsStackEmpty method” • “IsStackFull method” • “LoadStack method” • “ScanStack method” • “SinkPlate method” • “SourcePlate method” • “UnloadStack method”