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Alerting Users in your FoxPro Application

Every application needs a way of notifying users about something. The first "something" that may come to mind is an error, which unfortunately, needs a very special kind of alert or handler. But there are lots of other events that users need to be aware of, whether you as the developer plan for them or not. In January 2007 issue of FoxPro Advisor, Mike Lewis wrote about a forced system shutdown "event" that would let administrators get all users out of the system. If you are running a process that may take a while, you might need to let users know when it has been completed. If you have a large application, there could be many events that require user notification. Perhaps worse, there may be many events that your users could have reacted to, "if only they had known" before something was happening. Some applications rely on reports to display this information – but why waste paper when you can simply alert users to an event?

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