See Also
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Use the DeregisterServicefunction to shut down services that are run in a non-standalone mode. Because you cannot access a standalone service through the functions exposed by Services.exe, this approach will not work on standalone services.
A standalone service can terminate by notifying Services.exe that it is ready to shut down. To facilitate the termination process, on the startup of standalone services, Services.exe calls the service's xxx_IOControl (Services.exe)function and passes the ServicesexeCallbackFunctionsstructure. This structure contains the pfnServiceShutdowncallback functions.
When the service calls pfnServiceShutdown, Services.exe completes the same shutdown routine as it completes when DeregisterServiceis called on a service. After the service has completed the shutdown process, the host copy of Services.exe will terminate.