High Level Asynchronous Service Handling

Introduction to active objects and the active scheduler

Active objects

Active Scheduler

How to construct an active object

How to issue requests

How to complete requests

How to handle completed requests

How to cancel requests

How to start active objects

How to renew a request from the active scheduler

How to use multiple active objects

Long-running services and background objects

Non pre-emptive servicing

Simple encapsulation of a service provider

Life cycle of active objects

Using CActive

Using CAsyncOneShot

Using CIdle

Using TCallBack

Using TRequestStatus