June 2008
Beginner
480 pages
9h 41m
English
Content preview from Sams Teach Yourself WPF in 24 HoursBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 22. Triggers
What You’ll Learn in This Hour:
The rationale for triggers
Trigger types
Applying triggers to the Media Viewer
Triggers are the gateway to a wealth of WPF functionality. Up to now, our graphics and control templates have been fairly static and unresponsive to user input or changes in data. Triggers give us the power to change all that in a simple and intuitive way.
Leveraging Triggers
Triggers are a special feature of Style, ControlTemplate, DataTemplate, and FrameworkElement. Through the careful use of triggers, you can declaratively enable your UI and graphics to respond to mouse events, changes in dependency properties, and even changes in your application’s data model. Let’s look at one of the most common uses of a Trigger
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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.