May 2011
Intermediate to advanced
352 pages
9h 18m
English
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ViewModels
The ViewModel is an object introduced by the Model View ViewModel (MVVM) pattern, a specific presentation pattern designed for WPF and Silverlight (and right now used also in Windows Phone 7). The core of this pattern is the Model for View, i.e., the ViewModel. We will analyze this and other concepts in more detail in the chapter dedicated to UI patterns for WPF, but right now let’s just identify this object as the ViewModel and create one for each View of the TimeTracker application.
So, what is the main purpose of a ViewModel object and what should it implement? The ViewModel should implement the INotifyPropertyChanged interface so it can be bound dynamically to a View. It should also provide a mechanism for validation, and it should ...
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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.