Software Engineering Stack Exchange
Software Engineering Stack Exchange

Questions tagged [mvvm]

The Model View ViewModel (MVVM) is an architectural pattern used in software engineering that originated from Microsoft as a specialization of the presentation model design pattern introduced by Martin Fowler.

The Model View ViewModel (MVVM) is an architectural pattern used in software engineering that originated from Microsoft as a specialization of the presentation model design pattern introduced by Martin Fowler.

274 questions
49
votes
10 answers

Under what conditions is the use of MVVM appropriate?

Model View View-Model was developed by Microsoft to target UI development platforms which support event-driven programming, specifically Windows Presentation Foundation (WPF) and Silverlight on the .NET platforms using XAML and .NET languages. In…
Kelly Sommers
  • 599
  • 1
  • 4
  • 3
38
votes
3 answers

Who should control navigation in an MVVM application?

Example #1: I have a view displayed in my MVVM application (let's use Silverlight for the purposes of the discussion) and I click on a button that should take me to a new page. Example #2: That same view has another button that, when clicked, should…
SonOfPirate
  • 2,885
  • 4
  • 25
  • 28
33
votes
4 answers

How to choose NOT to use a framework (Caliburn.Micro, etc.) in a given MVVM application?

I have once started a MVVM/WPF project, which was eventually built and deployed, and for that I studied a lot of the Caliburn.Micro MVVM Framework. The fact is: I ended up not using Caliburn.Micro for that, and ended up implementing some MVVM…
heltonbiker
  • 1,038
  • 1
  • 9
  • 17
31
votes
1 answer

Is there a good formal pattern to manage state in MVVM?

I have started learning about Redux and React in the web-world, and the more I learn about it the more I'm realizing how painful state management is in the desktop-world with WPF's MVVM-style architecture (using Caliburn specifically to bind Views…
willem
  • 1,053
  • 9
  • 10
25
votes
2 answers

Clean Architecture: What is the View Model?

In his book 'Clean Architecture', Uncle Bob says that the Presenter should put the data that it receives into something he calls the 'View Model'. Is this the same thing as the 'ViewModel' from the Model-View-ViewModel (MVVM) design pattern or is…
Fearnbuster
  • 401
  • 1
  • 4
  • 11
24
votes
2 answers

Help with complex MVVM (multiple views)

I need help creating view models for the following scenario: Deep, hierarchical data Multiple views for the same set of data Each view is a single, dynamically-changing view, based on the active selection Depending on the value of a property,…
jayars
  • 622
  • 1
  • 6
  • 11
21
votes
6 answers

Should we bind view to a model property or ViewModel should have it's own..?

I am starting a project with following technical environment : .Net 4.0, Entity Framework 4.0, WPF with MVVM Architecture I saw lots of examples on the net, some books with this environment. In some of the examples authors had this Idea : Viemodel…
Pravin Patil
  • 841
  • 3
  • 9
  • 12
21
votes
5 answers

Are value converters more trouble than they're worth?

I'm working on a WPF application with views that require numerous value conversions. Initially, my philosophy (inspired in part by this lively debate on XAML Disciples) was that I should make the view model strictly about supporting the data…
devuxer
  • 666
  • 6
  • 13
20
votes
2 answers

Is MVVM in WPF outdated?

I'm currently trying to get my head round MVVM for WPF - I don't mean get my head round the concept, but around the actual nuts and bolts of doing anything that is further off the beaten track than dumb CRUD. What I've noticed is that lots of the…
Benjol
  • 3,747
  • 5
  • 33
  • 41
18
votes
5 answers

How to make creating viewmodels at runtime less painful

I apologize for the long question, it reads a bit as a rant, but I promise it's not! I've summarized my question(s) below In the MVC world, things are straightforward. The Model has state, the View shows the Model, and the Controller does stuff…
dvdvorle
  • 849
  • 1
  • 9
  • 18
17
votes
3 answers

MVVM Clarification

We are about to write our first WPF application and are becoming familiar with the MVVM pattern. We've built many Winform applications and have an architecture that has been very successful for us. We're having a little bit of trouble translating…
user7676
  • 273
  • 3
  • 9
17
votes
3 answers

MVVM, DDD, and WPF Layered Application Project Structure Guidance

I am trying to setup my application's structure in VS and I want to "try" and future proof it to a reasonable level. This application will be a WPF re-write of an old Winform app that had followed no conventions. No Layers, Tiers, Acronyms,…
Refracted Paladin
  • 271
  • 1
  • 2
  • 6
15
votes
3 answers

MVVM and service pattern

I'm building a WPF application using the MVVM pattern. Right now, my viewmodels calls the service layer to retrieve models (how is not relevant to the viewmodel) and convert them to viewmodels. I'm using constructor injection to pass the service…
alfa-alfa
  • 153
  • 1
  • 1
  • 4
14
votes
4 answers

Proper Model-View-_____ design

I've been reading up about Model View Controller, Model View Presenter, Model View ViewModel, and so on, and generally, the underlying concept seems pretty simple to understand: keep the pretty visuals and sciencey guts as separate and ignorant of…
KoratDragonDen
  • 149
  • 6
13
votes
3 answers

MVVM or MVC? Want to use the same set of classes for WPF and ASP.NET

I am a newbie in terms of Design Patterns. I just started learning MVC when I am hearing a new buzz, MVVM. I want to learn the insights of both of these by redesigning an old inventory and invoicing application I developed for a client. I want to…
RPK
  • 4,378
  • 11
  • 41
  • 65
1
2 3
…
18 19