WPF MVVM dialog example. My usual approach, which is not quite classic MVVM, can be summarized as follows: A base class for a dialog ViewModel that exposes commands for commit and cancel actions, an event to lets the view know that a dialog is ready to be closed, and whatever else you will need in all of your dialogs.

I'm a C#/Windows Forms programmer with more than 5 years experience. I've been investigating WPF using the MVVM (Model-View-ViewModel) design pattern. I have searched the Internet for tutorials. I ...

In Model you put classes like Person for example that capture data and logic. In ViewModel you instantiate classes defined in Model. The View contains .xaml files. Edit: I edit my original post to send an example project structure. I have question related to this. How do I organize these: App.config App.xaml MainWindow.xaml

Well, generally MVC is used in Web development and MVVM is most popular in WPF/Silverlight development. However, sometimes the web architecute might have a mix of MVC and MVVM. For example: you might use knockout.js and in this case you will have MVVM on your client side. And your MVC's server side can also change.

Sep 26, 2009 · I'm in the process of porting the (MVVM Light Toolkit) C# project templates and code snippets to VB.NET. I've finished the Silverlight 3 template, now working on the others. The VB Silverlight 3 template for Visual Studio 2010 is here. The VB WPF 3.5sp1 template for Visual Studio 2010 is here.

Oct 5, 2010 · This is not the same as exposing a property. My above example is a property (now). Also, as Roel says, you should use an ObservableCollection<MyData> rather than a List<MyData> so that you can see any changes to your collection, as they happen.

Dec 5, 2011 · The Model-View-ViewModel (MVVM) Pattern is a design pattern. Per definition a design pattern shows a common solution in the object-oriented world and this solution can be applied in various platforms (WPF, WinForms, Java Swing, etc.). I agree that MVVM is best used with WPF because it leverages the strong binding capabilities.

Aug 20, 2011 · For example, some MVVM examples out there set up their views much the same as you have; Whereas the View creates a new instance of the ViewModel inside of its ViewObject.DataContext property. This may work well for some, but doesn't allow the developer to hook certain Windows events from the ViewModel such as OnPageLoad().

The thing is that if you were following MVVM, you would have a BookViewModel for your Book model class. So you would have a INotifyPropertyChanged implementation on that view model. Exactly for that purpose MVVM exists (but not only). That being said, the INotifyPropertyChanged has to be implemented on view model classes, not models.

You should create a sandbox application. Leave only a combobox, and your viemodels, remove everything else. Then you should try to reproduce this is