October 2001
Beginner to intermediate
432 pages
11h 42m
English
Content preview from Windows Management Instrumentation (WMI)
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Permanent Event Subscription
All the event notifications described in the preceding section are examples of temporary event subscription. A script connects to WMI, registers (a.k.a. subscribes) to receive notification of a specified set of events and, provided that the script continues to run and notification is not explicitly cancelled, events will continue to be delivered each time they occur. As soon as a script quits, however, notification ceases. Likewise, unless a script is explicitly started, no events will ever be delivered. In short, the event delivery is temporary.
In many circumstances, this behavior is absolutely fine. If you need to ensure that particular types of events never go unnoticed, just make sure that the script written ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.