Newest 'mvvm' Questions

1

vote

3answers

92 views

Is this method for loading data in a C# application recommended?

Goal I'd like to understand if this current method, of loading data and inserting data into a database I currently use is to be avoided? Code I drafted a simple application that loads data and inserts ...

c# mysql mvvm dapper

asked Jul 9 at 12:25

Squirrel.98

4011 silver badge9 bronze badges

4

votes

0answers

81 views

License-holder editing application

I am building a WPF (Windows Presentation Foundation) application. And I'm trying to use the MVVM (Model–View–ViewModel) design pattern. It's fascinating and rewarding, even though it seems overly ...

c# design-patterns wpf mvvm databinding

asked Jun 25 at 11:56

Ole M

412 bronze badges

1

vote

1answer

64 views

checking is ellipse is filled or not

following code below works fine but feels kind of a mess. any one has a better way to do this I am creating a basic "Enter Pin" to unclick screen on a app. So if user enter 1st digit, than ...

c# algorithm object-oriented mvvm xamarin

asked May 16 at 17:54

dave

111 bronze badge

1

vote

1answer

56 views

Updating Multiple Collections In ViewModel Based On A Single ListView Selection - WPF

-I have a ListView, and its SelectedItem property is bound to EmployeeModel SelectedEmployee in my VM, and it implements the Set method from MVVM Light. (Basically, ...

c# wpf mvvm databinding

asked May 12 at 18:39

Joshua White

335 bronze badges

0

votes

0answers

103 views

iOS: Combine and Clean Architecture

I’m learning a lot of from Combine thanks to an amazing book in raywenderlich. Currently i’m writing an app and following the clean MVVM architecture. Then I have the following layers: Domain(...

swift ios mvvm

asked Apr 19 at 19:15

Ricardo

1115 bronze badges

2

votes

0answers

327 views

Tic Tac Toe game using WPF+MVVM

I am looking for some advice on how to create a new ViewModel within an already existing ViewModel. I am creating a Tic Tac Toe game, to improve my knowledge of the MVVM pattern, WPF and C#. I am ...

c# beginner wpf mvvm

asked Feb 9 at 11:53

Jack Dane

1212 bronze badges

2

votes

0answers

136 views

C# Learning MVVM by creating a Login functionality

I am trying to get my head around how MVVM pattern works. Would like to hear some reviews if I am implementing it correctly. View ...

c# wpf mvvm

asked Dec 10 '20 at 14:34

Squirrel.98

4011 silver badge9 bronze badges

1

vote

1answer

126 views

Create buttons with MVVM architecture

im trying to migrate my very large swift view controller to mvvm but it still feels very large, can you guys give me any advice What this controller does is simple it shows a UIView on which i can ...

swift mvvm

asked Nov 20 '20 at 16:01

Bolshoy705

112 bronze badges

3

votes

0answers

101 views

A better understanding for separation of concerns. Android; Kotlin

I am an Android developer with only 5 months of experience. I am still learning and trying to do my best. Right now I am interested in concept of ...

android kotlin mvvm

asked Oct 6 '20 at 17:24

Vitaliy-T

1731 silver badge7 bronze badges

2

votes

1answer

74 views

Which is better-way to casting model

I need to convert my model to fit data in tableview cell finding better approach ...

swift ios mvvm

asked Sep 29 '20 at 7:15

Jaydeep Vyas

1393 bronze badges

10

votes

0answers

254 views

Host-Agnostic Model-View-ViewModel Infrastructure

I've written an API that unlocks some serious MVVM capabilities with VBA's MSForms UI framework. This is the complete code-behind for an example ...

object-oriented vba library mvvm rubberduck

asked Sep 13 '20 at 17:39

Mathieu Guindon

74.1k17 gold badges181 silver badges451 bronze badges

0

votes

1answer

736 views

C# Event handler for WPF MVVM

So I've been learning about MVVM and I had a problem. I often had to start a thread to download or do some longer task in background and when it is done change some properties so the UI updates. The ...

c# event-handling wpf mvvm

asked Aug 14 '20 at 7:13

Marko Borković

1815 bronze badges

3

votes

0answers

295 views

Navigation strategies for a SwiftUI-based app using MVVM pattern

I'm finding it difficult to decide on the best architectural pattern for a SwiftUI app but, for the moment, I'm sticking with MVVM as I found this a good fit conceptually. I'm trying to avoid the ...

swift mvvm swiftui

asked Aug 11 '20 at 5:37

rustproofFish

311 bronze badge

3

votes

0answers

178 views

Simple MVVM Navigation for WPF in c#

I have been learning MVVM and I have decided to create a small framework for simple MVVM programs I can make in the future. This program provides navigation between a main menu, settings menu, start ...

c# wpf mvvm

asked Jul 6 '20 at 20:27

EricNie

413 bronze badges

4

votes

2answers

124 views

Sanity check a simple RPG character

I'm writing an assistant for the tabletop RPG Pathfinder in Java. I intend to use the MVVM pattern using JavaFX, possibly through mvvmFX. Before I go into the V-VM phase, I have built a first ...

java unit-testing mvvm exception

asked May 15 '20 at 16:20

Anab

433 bronze badges

4

votes

1answer

233 views

Configuring NavigationService and NavigationView in one place

Context The main goal located a configuration NavigationService and NavigationView in one place. In order to minimalization a ...

c# object-oriented dependency-injection mvvm uwp

asked Feb 24 '20 at 23:18

Viewed

2941 silver badge9 bronze badges

3

votes

0answers

244 views

WPF: An implementation of INotifyDataErrorInfo

An abstract base class which derives from the ObservableObject (MvvmLight), implementing the INotifyDataErrorInfo interface. ...

c# validation wpf mvvm

asked Feb 19 '20 at 11:11

Kostas K.

2153 silver badges10 bronze badges

3

votes

1answer

101 views

Android - Simplify ViewModel and Repository classes with OOP

Let's say I have 2 repository classes: ...

java object-oriented android mvvm

asked Jan 18 '20 at 23:18

Mertcan Seğmen

1336 bronze badges

1

vote

2answers

127 views

Async Check for Domain Fullname With WPF and Caliburn.Micro

I have a small WPF program built using Caliburn.Micro which checks Active Directory for a user with the current username of the logged-on user. I have a Bootstrapper...

c# wpf mvvm active-directory

asked Jan 15 '20 at 12:03

I.T Delinquent

717 bronze badges

2

votes

0answers

241 views

Is this an acceptable MVVM Model with IEditableObject implementation?

I'm trying to follow MVVM pattern in a VB.net WPF application, and I would like to implement IEditableObject. Is this code acceptable for an MVVM application? In ...

design-patterns vb.net wpf mvvm

asked Oct 21 '19 at 14:03

Notts90 supports Monica

1414 bronze badges

6

votes

1answer

473 views

WPF MVVM ColorLister with navigation

By hashing together various online tutorials I've constructed my first MVVM application that lets users navigate between "tabs" and a "tab" (ColorList_Tab) that performs basic list functions such as ...

c# wpf mvvm

asked Sep 8 '19 at 13:42

DaemonFire

635 bronze badges

2

votes

1answer

86 views

ViewModels for image transformations

In my project I have a chain of Fragments where each one gets a bitmap, manipulates it, then sends it to another fragment for more processing. My fragment chain looks like this: CaptureFragment -> ...

android image mvvm kotlin

asked Aug 9 '19 at 19:40

Azbyn

232 bronze badges

5

votes

2answers

126 views

MVVM model letting the user select a directory in a testable manner

My application needs to let the user select a folder from somewhere on their local machine. Below are the interface and model pair that I have written to let the user do so. ...

c# memory-management wpf mvvm

asked Aug 5 '19 at 22:32

Toby Smith

1975 bronze badges

2

votes

0answers

80 views

Swift MVVM: Repositories - loading entities and dependency injection

I create a lexikon and a navigation for ZOO. I use MVVM architecture supported by ReactiveSwift. I have a few questions about my practises and whether I could write my repositories better and more ...

swift dependency-injection mvvm repository

asked Jun 29 '19 at 16:27

SupDaniel1994

211 bronze badge

-1

votes

1answer

41 views

Is attempt like this, when using Application class, breaking MVVM pattern? [closed]

In my application I am using two view models. MainViewModel if fiered when MianWindow is initialized. And UpdateViewModel is fiered when UpdateWindow is initialized. The update VM is supposed to use ...

c# wpf mvvm

asked Jun 22 '19 at 1:34

bakunet

814 bronze badges

5

votes

1answer

188 views

Scraping an parsing jockeys data using Task.Run

I started to have HUGE doubts regarding my code and I need some advice from more experienced programmers and architects. On the button click, the application runs a method, that is running a ...

c# performance async-await mvvm task-parallel-library

asked Jun 17 '19 at 7:10

bakunet

814 bronze badges

3

votes

1answer

1k views

Create Products TableView with PAGINATION and LIKE product feature in RxSwift MVVM

I have tried to develop a simple product listing app in RxSwift with MVVM design pattern. I have managed to achieve it but I need someone to review my code, such as: Have I followed the proper ...

swift mvvm pagination rx-swift

asked May 31 '19 at 14:00

Ajay Bhanushali

334 bronze badges

4

votes

1answer

98 views

Android clock in/out app

I am writing a clock in / out and payroll app for Android. I am no professional, but I was hoping I could get some feedback on whether my code is spaghetti or not. This is just one of many classes &...

java beginner android mvvm

asked May 3 '19 at 19:20

Elizabeth Sinclair

432 bronze badges

3

votes

1answer

905 views

Login page using RxSwift in MVVM

I am building a simple login page which will check for username before navigating to another screen and here is how I am doing the binding now. I would like to know if I am doing it right and if I am ...

validation swift authentication mvvm rx-swift

asked Apr 25 '19 at 2:55

Samuel Kith

312 bronze badges

2

votes

0answers

1k views

Setting the Owner property on a modal dialog in WPF/MVVM using a Func

I'm looking to solve the problem of setting the Owner property on modal dialogs in WPF, while using IoC and MVVM patterns. I've seen (and written) all sorts of ...

c# wpf mvvm

asked Jan 18 '19 at 16:16

epalm

1213 bronze badges

1

vote

1answer

386 views

Addition Program using wpf through MVVM

I'm new to MVVM and WPF. Please suggest whether this is okay or I need to correct my understanding of MVVM which I confess is very limited as at the moment. I have created a simple addition ...

c# wpf mvvm

asked Dec 26 '18 at 7:05

Ramji R

1116 bronze badges

12

votes

1answer

5k views

Filter Collection by Multiple Criteria

I want to the user to filter a list of receipts by various criteria. Just the regular, an empty filter should show all items, an entry in customer should show all receipts from that customer and an ...

c# mvvm

asked Dec 25 '18 at 15:20

Mister 832

3052 silver badges7 bronze badges

10

votes

1answer

168 views

Visual Studio exception visualizer for lengthy exception messages

I use Autofac a lot and for everything and when you make a mistake and forget to register a dependency etc. it'll tell you exaclty what's wrong. Although its ...

c# parsing wpf mvvm visual-studio

asked Dec 3 '18 at 18:05

t3chb0t

43.2k8 gold badges73 silver badges158 bronze badges

1

vote

2answers

1k views

Android MVVM application architecture

Inspired this guide: https://developer.android.com/jetpack/docs/guide I try to build some app with similar architecture. App interact with remote API via http protocol (json responses from server). ...

java android mvvm

asked Nov 2 '18 at 21:09

igor_rb

1115 bronze badges

1

vote

1answer

4k views

Flutter - Implementing a simple ListView with MVVM

I've implemented a simple ListView in MVVM that displays a few PrepSteps (short form of PreparationSteps). While implementing I wasn't sure about if my approach is "...

mvvm dart flutter

asked Oct 7 '18 at 6:32

Jens

8875 silver badges14 bronze badges

1

vote

0answers

2k views

LiveData, MVVM and Repository Pattern

Is this a good approach or I've just found a nasty workaround? I'm using MediatorLiveData class because seems useful to update the source of a ...

android mvvm kotlin

asked Sep 25 '18 at 20:29

Ricardo

1115 bronze badges

1

vote

1answer

748 views

MVVMLight Toolkit Data Binding Technique

I'm simulating my real-world application by using a really simple demo app here, but it has the same concept. The question is MVVM Light Toolkit specific, as the ...

c# wpf mvvm databinding

asked Sep 24 '18 at 23:59

Sach

1851 gold badge1 silver badge7 bronze badges

1

vote

0answers

334 views

Xamarin Forms with Ninject navigation service

I am new to Xamarin Forms and I have been searching online finding ways to set up navigation in a MVVM fashion. In particular I am designing around a concept I found here. However, I am using Ninject ...

c# dependency-injection mvvm xamarin ninject

asked Aug 17 '18 at 19:17

Joben

1111 bronze badge

5

votes

1answer

856 views

Accessing View from ViewModel

Having a view (grid control) that provides some functionallity via methods (primary SerializeView / DeserializeView) that should be called from the view model which is bound to the view. One point to ...

c# wpf mvvm databinding

asked Aug 8 '18 at 9:55

JanDotNet

8,40817 silver badges43 bronze badges

-1

votes

1answer

73 views

Model Exposure with MVVM [closed]

I have been starting to learn MVVM to give my WPF projects better structure. I have to sample classes, DeviceModel and ...

c# wpf mvvm

asked Jul 30 '18 at 13:09

Dan

3751 gold badge2 silver badges13 bronze badges

0

votes

1answer

218 views

Saving ResourceDictionary theme

I have the following command bonded to my button, It's supposed detect the current used theme and change it (Dark or Light). ...

c# wpf mvvm

asked Jun 26 '18 at 11:31

Black Panther

1

2

votes

0answers

374 views

Switching between ViewModels using IoC in a MVVM WPF application

I have a project that uses Caliburn.Micro to implement the MVVM pattern. For IoC, I am using MEF. All the ViewModels are marked ...

c# wpf mvvm mef

asked Jun 20 '18 at 18:15

Mycroft Holmes

212 bronze badges

5

votes

1answer

92 views

Viewport for Card Match Game

This is the 2nd half of my Memory game. The first half can be found here. The repository can be found on Github. I am using SFML 2.4.2. In this project I focused on a few key aspects of design and ...

c++ object-oriented game mvvm sfml

asked May 25 '18 at 15:52

Summer

2,3142 gold badges11 silver badges30 bronze badges

8

votes

1answer

688 views

Winform, with a workaround to avoid dependencies

I'm working on a Winform project. We currently have a modular design (shown in the image) in our project. Where on every user action (button clicked or selection changed etc), first we set the Model ...

c# mvc winforms mvvm

asked May 18 '18 at 12:44

Amit

1951 silver badge6 bronze badges

6

votes

1answer

761 views

Data Model for a Memory Game

I have a Memory style card matching game. The project is big enough that I want to break up the review. The first part that I am giving you is the data model. If you are interested the full project ...

c++ object-oriented game mvvm

asked May 17 '18 at 22:23

Summer

2,3142 gold badges11 silver badges30 bronze badges

4

votes

1answer

5k views

Login modal with MVVM pattern

I would like some feedback on whether this follows MVVM principles well. The MainPage has a Login button that opens the login modal page. Upon successful login, the LoginPageViewModel will raise an ...

c# authentication mvvm xaml xamarin

asked Apr 3 '18 at 17:11

Jam

3474 silver badges11 bronze badges

2

votes

0answers

261 views

Initializing child windows in MvvM

I have a MvvM application that is working very fine. However I am not sure if I'm writing a clean code, especially the part handling child windows with their controller. So to begin, i have this ...

c# wpf mvvm

asked Mar 13 '18 at 9:46

mwryl

1444 bronze badges

6

votes

2answers

780 views

Using a service interface to get user input from dialogs

I haven't worked with WPF/MVVM for a while, but now I'm back fixing some issues with one of my old apps and remembering the struggles I always had when dealing with asking for user input (eg. showing ...

c# wpf mvvm

asked Mar 7 '18 at 1:40

rshepp

2131 silver badge6 bronze badges

1

vote

1answer

4k views

Testing async method call from constructor

I have a project where I want to build a more sophisticated ToDo list - basically a personal project management system. I'm just starting out with the project, and I'd like some feedback on whether my ...

c# unit-testing async-await mvvm constructor

asked Mar 1 '18 at 18:53

Frauke

1291 silver badge7 bronze badges

1

vote

0answers

246 views

A ViewModel build with ReactiveUI 8 to get web images

This is a practice application that I built to learn Rx.Net & RxUI. It follows the MVVM pattern and is written in C# with WPF. Here is a link to a question I asked during the development, which ...

c# wpf mvvm system.reactive

asked Feb 8 '18 at 10:25

wuLiao

111 bronze badge

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