The Model-View-ViewModel design pattern, which separates presentation from data and logic.

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Fat ViewModel - mvvm, winrt

How to deal with ViewModels that are "fat" - or should I just accept it sometimes? Example - one of my ViewModel (editing image page, almost 300 lines of code) which has a lot of UI Commands like ...
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2answers
118 views

Select item of IEnumerable<T> in UI (MVVM)

Please, help improve following code. I have list of users, item of the list has buttons remove (remove user from list) and profile (navigate to user profile). I use ...
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1answer
57 views

Access View from current/corresponding ViewModel

Sometimes when developing a WPF application, I need to access a certain Window (View) from the corresponding ...
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1answer
80 views

ViewStateManager for more than just Controls?

Okay - so basically I have a login form that has a couple of 'states' it needs to display (connecting, input credentials, authenticating, invalid credentials, etc...etc...) - in the past I've ...
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Am I handling “spot the missing DLL” right?

I have a .net 4.5 desktop script which has dependencies on some third party libraries (dll's). These libraries are used in my MainWindowViewModel. I need to check ...
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1answer
71 views

RSS reader and model (logic) layer in practise

I have written a logic part in my app. I'd like to learn best practices, so can you please check my class? This class is a little too big in my opinion, but I have no idea what I should do now. I've ...
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1answer
80 views

Insert Model object effectively using entity framwork

I have a WPF MVVM Application. I have a Customer Model which is generated by an entity framework (Database first approach) and one CustomerViewModel where I ...
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1answer
153 views

MV* Pattern for a board game

I have made a small game in Javascript, while simultaneously learn about the ever so popular model view controller. The game is this, there are 3 players(green, purple, yellow) and they have to try ...
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1answer
121 views

Unit of Work with Generic Repository Pattern MVVM, vol. 4

Continuation of this question: Unit of Work with Generic Repository Pattern MVVM, vol. 3 I have made some changes. The methods GetFeedBySomething() have been ...
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Caliburn Micro communication between list and edit viewmodels

I'm new at Caliburn Micro and MVVM pattern. I create 3 views (with its corresponding viewmodels): AppView ClientsView ...
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1answer
509 views

MVVM implementation using C# and XAML

I have used INotifyPropertyChanged for both Model and ViewModel. Is it correct? First of all I was trying to use ...
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1answer
298 views

Unit of Work with Generic Repository Pattern MVVM, vol. 3

Continuation of this question: https://codereview.stackexchange.com/questions/36561/unit-of-work-with-generic-repository-pattern-mvvm-vol-2 I have made some modifications: Implement lazy-loading ...
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2answers
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Pong game in WPF

This is my first post here and one of my first WPF projects. The game works, but I would like to get some advice regarding what could be done better/differently. I would especially like to find out ...
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1answer
495 views

Unit of Work with Generic Repository Pattern MVVM, vol. 2

Continuation of this question: Unit of Work with Generic Repository Pattern MVVM I have made some modifications: Interfaces aren't forced to implement IDisposable Removed the finalizers Rebuilt UoW ...
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Unit of Work with Generic Repository Pattern MVVM

I have been writing the application. I meant to implement a repository pattern with Unit of Work. Is it correctly done? Can you make a code review? I use SQLite ...
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2answers
2k views

WPF Window with different DataTemplates

I have to do a task hard for me and maybe you can help me. I try to design a window dialog to update data from a database view. This database view contains integer, DateTime, string, Time, Boolean ...
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1answer
313 views

node.js MVVM framework concept

Not sure how subjective this question is however I am looking for a peer review and general feedback on the intuitiveness and scaffolding potential of a framework concept. I have a gist on GitHub ...
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1answer
1k views

ListView MultiSelect, MVVM and RoutedCommands

As far as I know (and I don't claim to know much about this!), direct binding to ListView.SelectedItems isn't possible in WPF. I've seen work-arounds involving ...
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2answers
324 views

Converting between data and presentation types

Below is how I'm solving the problem of converting between data and presentation types, I'd like to know if that's a good way to go about it, and if not, what would be a better way to go about it. I ...
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How should my objects be structured for proper MVVM in Knockout?

Question also asked @ Stackoverflow I'm working with knockout and am trying to stay true the MVVM structure and trying to make the objects have that dependency on each other. Here is what I ...
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1answer
169 views

Efficient strucure for backing data in MVVM

I started learning C# a few months ago (so keep in mind that this is all fairly new to me) and I am working on my first real project (WPF / MVVM). I've received conflicting advice on how to handle my ...
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1answer
82 views

How best to implement a POCO editor which is split over a number of TabItems?

I am currently working on a project which uses the MVVM pattern. I have a POCO which I want to present in an editor and, because the object is composed from a number of smaller, reusable POCOs, I ...
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1answer
320 views

Can this reactive code be improved?

I have a view model that I'm migrating to RxUI. It exposes a collection of brokers along with a bool indicating whether there is a market (ie. at least one broker). ...
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2answers
1k views

ViewModel constructor with many parameters

I have some ViewModels that have a lot of parameters like this one: ...
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2answers
526 views

MVVM notification messages

I have been looking at a couple of different approaches on how I can notify the UI about messages coming from the ViewModel, and wanted to see if this seemed appropriate or if it is too coupled. (We ...
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2answers
2k views

Improvements to a ViewModelBase

Every time I go to write an MVVM application (say every 4-6 months) I rewrite my ViewModelBase class. This is for a range of reasons but let's say either I don't ...
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1answer
670 views

View Model Base

I needed to write code in WPF for a client. The application is done with prism (not my decision, they already had people working on it), so I got a sparkling clean new module to work in. Since this ...
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2answers
1k views

Simple clock view model

I have been trying to wrap my head around MVVM for the last week or more and still struggling a bit. I have watched Jason Dolingers MVVM video and gone through Reed Copsey lessons and still find ...