4.2. Asynchronous with Windows Callback Programming

Asynchronous with Windows Callback programming allows an asynchronous application to receive SRL event notification through a standard Windows eventing technique. In Asynchronous with Windows Callback programming, the application informs the SRL to post a user-specified message to a user-specified window when an event occurs on a Dialogic device. When the application receives the user-specified message, it calls standard Dialogic event-retrieval functions to process the event.

Asynchronous with Windows Callback programming:

• Allows tighter integration with Windows GUI programming techniques.
• Uses system resources more efficiently than does Synchronous programming.
• Provides a single point of processing for all messages and events (Dialogic and Windows).

All of the asynchronous programming models let you program complex applications easily, and help you achieve a high level of resource management in your application by combining multiple voice channels in a single thread. This streamlined code reduces the system overhead required for inter-thread communication, and simplifies the coordination of events from many devices.

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