RelayCommand is an implementation of the .NET ICommand interface made and described by WPF expert Josh Smith.
Questions tagged [relaycommand]
289 questions
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Unable to generate auto generated files in relay compiler for mutations
I am trying to create a web application with ReactJs as frontend, GraphQL as service layer and Relay as communication between service layer and frontend.
In this i created a mutation in service layer and integrated in front end.At last tried to…
pavan kanagarla
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Binding RelayCommand don't want to execute
I have got Page.xaml
Here is my ExcelViewModel.cs
public ExcelViewModel()
{
…
4est
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Binding a command to listboxitems
Is it possible to bind a relaycommand to listboxitems when on of the items is clicked?
Olsen
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Correct way to handle commands that rely on multiple view models
I'm relatively new to WPF and MVVM and i am trying to understand how to use commands correctly when they have dependencies in more than 1 view model.
A couple of examples:
In my current application i have a RelayCommand which causes a save action…
DaeDaLuS_015
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2 answers
Galasoft RelayCommand not firing
I am using the MVVM Light framework to build a SL4 application. My simple app is composed primarily by a single main view (shellView), which is divided into multiple UserControls. They are just a convenient separation of the UI, therefore they don't…
Anthares
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Why do I need getters and setters in ICommand?
New to C#/MVVM and this doesn't make sense to me?
This is my implementation of a RelayCommand inheriting from ICommand:
internal class RelayCommand : ICommand
{
private readonly Predicate
Harsh Baid
- 59
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0 answers
Access the main window control from a usercontrol control's relay command
I have MainWindow.xaml with a usercontrol (ButtonClusterUserControl.xaml) and a TextBlock control.
The usercontrol itself has 2 buttons: Hide and Show. Requirement is something like
when the Hide button is clicked, it should hide the…
Rajasri.J
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MVVM Light RelayCommand no works longer after Visual Studio update
I'm developing a WPF application with MVVM Light 5.4.1.
The .NET Framework is 4.6.2.
I use RelayCommand :
public class TestViewModel : ViewModelBase
{
public ICommand TestCommand { get; set; }
private string _test = "test";
public…
Speed Neo
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c# Datagrid / Binding a button with Parameter using Josh Smith's RelayCommand class?
I've been using Rachel's solution to bind a button with a Command : https://stackoverflow.com/a/3531935/4713963
Now I would like to do the same within a DataGrid.
Sample code :
…
Coloris
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Adding CommandParameter when associating MVVM-Light RelayCommand to button breaks CanExecute
I am not sure if this is an MVVM-Light bug or just something that doesn't work in WPF.... I have a button where I am setting the Command property to a RelayCommand. Everything works fine as long as I don't set the CommandParameter property. Once I…
MCE
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MVVM, Button in a ItemsControl, ICommand
Having trouble trying to implement a Command on a button using ICommand/RelayCommand where when you press a button in a list, it removes the item.
I have looked up ICommand/Relay Command, have had numerous attempts at implementing it, but with no…
Crankys
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1 answer
Xamrin Button is not working for mmvm-light Relay Command
In my Xamrin forms code i have configured MVVM light
RelayCommand is not hitting even though I have set the property in xaml page for the command.
XAML
shamnad
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2 answers
Bind RelayCommand to Button Click or CodeBehind
i want bind RelayCommand to Button Click event (i know i can bind to command property but i want bind to click event)
how i can do this? i used this code but not work:
private void Button_Clicked(object sender, RoutedEventArgs e) {…
user7512258
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1 answer
How can I unit test RelayCommand DropFile?
I'm trying out MVVM Light, partly inspired by the EventToCommand capabilities which seem to make it easier to handle drag-and-drop from outside my app in the View Model and in the XAML. However I am a confused by how to unit test the RelayCommand.…
dumbledad
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MVVM property with a linked complex class and CanExecute Relay Command not working
I have a entity class in a C# library class and linked to Silverlight class library
(entities must be in C# class because of legacy compatiblity with other systems)
Example (C# library):
public class TestClass
{
private string…
KolarJ
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