August 2007
Intermediate to advanced
864 pages
25h 52m
English
Content preview from Programming WPF, 2nd EditionBecome 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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Dependency Properties
Although our data source Nickname object made its data available via
standard .NET properties, we need something special to support data
binding on the target element. Even though the TextContent property of the TextBlock element is exposed with a standard
property wrapper, in order for it to integrate with WPF services like
data binding, styling, and animation, it also needs to be a dependency property. A dependency property
provides several features not present in .NET properties, including the
ability to inherit its value from a container element, provide for
object-independent storage (providing a potentially huge memory
savings), and change tracking.
Most of the time, you won't have to worry about dependency properties versus .NET properties, but when you need the details, you can read about them in Chapter 18.
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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.