When implemented in a derived class, executes when the system is shutting down. Specifies what should occur immediately prior to the system shutting down.
Assembly: System.ServiceProcess (in System.ServiceProcess.dll)
Use to specify the processing that occurs when the system shuts down.
This event occurs only when the operating system is shut down, not when the computer is turned off.
is expected to be overridden when the CanShutdown property is true.