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Questions tagged [reactiveui]

ReactiveUI is a MVVM framework that integrates with the Reactive Extensions

ReactiveUI is a framework for the .Net platform built on top of for any mobile or desktop platform.

Supports , , , , , and .

1093 questions
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ContentControl not updating

I'm trying to have a MainWindow that is bound to the a view. I change that view in code and expect it to update in the Main Window, however that is not happening. I have this code in my XAML
Rumel
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Asynchronous command execution with user confirmation

I need to execute async delete operation with user confirmation. Something like this: public ReactiveAsyncCommand DeleteCommand { get; protected set; } ... DeleteCommand = new…
elshev
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How to bind ReactiveCommand from view constructor to Button inside ItemTemplate

I am using ReactiveUI and Avalonia with C#. I have problem with executing command on a Button inside ItemTemplate of MyItemsControl. MyView and MyItemsControl are correctly displayed but when I click a Button generated inside ItemsTemplate, nothing…
Miljac
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WPF Toggle Combo Box Item Text Colour MVVM ReactiveUI

OK so this is definitely a newbie question that unfortunately could not figure/find the answer to. Essentially binding a list of objects to a Combobox, when the Disabled property on the object is set to true I want the text colour of the Combobox…
ree6
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How to use WhenActivated with properties in avalonia

I am trying to use ReactiveUI along with Avalonia. Due to initialization order in Avalonia 0.10 preview following code fails: class ViewModel : IActivatableViewModel { public ViewModel(){ this.WhenActivated(disposables => { …
Shadow
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Is it possible to use ReactiveUI bindings in WPF for validating user input with only INotifyDataErrorInfo?

We're using ReactiveUI.WPF 11.0.1 in our .Net Core WPF application. We're looking into replacing all XAML-based bindings with ReactiveUI-based bindings. There is a ViewModel for the domain type that implements INotifyPropertyChanged and…
K. Voroncov
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State of the Art navigation & routing with Xamarin Forms and ReactiveUI

Every year or so, I've got an mobile app to do, and I choose Xamarin Forms to do it. Before starting with a blank project, I'm trying to see what frameworks and patterns are "trending" and I'm trying to build something solid. On my last app, my…
Morgan Touverey Quilling
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Manually executing a command in ReactiveUI 7.2

I'm trying to execute a command so that a function I have runs asynchronously in from within the constructor of my view. I understand that running something asynchronously in a constructor isn't necessarily good practice, but I need to load a…
jewnbug97
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ReactiveUI - why is simple ReactiveList.Changed -> ToProperty not working?

I tried many different modifications but nothing helps. When I dig into sources it's a bunch of deep magic involving static state like ConditionalWeakTable etc. private readonly ReactiveList _list = new ReactiveList(); private decimal…
Den
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Binding to ComboBox using ReactiveUI and Windows Forms

I would like to bind a property in my viewmodel to a ComboBox in a Windows Forms application, using ReactiveUI. I found several examples with WPF but no examples with Windows Forms. EDIT: Part 1: Bind the selected value to Following example from…
AIDANDan
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ReactiveUI - testing subscribe when using throttle

I have a problem when trying to unit test a view model that uses WhenAnyValue to listen for changes in a property, and populate a list based on the new value of the property. I need to use Throttle when listening to changes on the property due to…
larsjr
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ReactiveUI Dependency Injection Constructor

I am using the built in dependency injector/splat injector inside ReactiveUI. I have constructors where I want to pass along their applicable data repository. In other frameworks it just uses reflections with the interfaces, and uses the GetServices…
Glenn Watson
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Why don't Bind and OneWayBind always use the main UI thread?

In my ViewModel I'll often have code like the following: public bool IsDownloading { get { return _isDownloading.Value; } } private ObservableAsPropertyHelper _isDownloading; ... FileDownloader.WhenAny(x => x.IsDownloading, x => x.Value) …
Gordon
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ListView SelectedItem Binding with Xamarin Forms and ReactiveUI Issue

I have a basic list of items that display a name. I need to navigate to a new screen upon one of the list items being clicked. Super simple, right? I can't figure out where this is going wrong. The list is displaying its items properly. Upon…
Magnetic Llama
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ReactiveUI - View Locator performance

In my WPF application which makes use of ReactiveUI, I've noticed an area of poor performance. I have a view-model which contains a lot of other lightweight view-models (think 30ish). These nested view-models are simple, usually representing a…
BlackBox
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