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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1 answer
How to display validation error in button bound to command
I am developing an app and trying to stick to an MVVM model, I have a button that is just bound to a command. Currently the command can be enabled / disabled and greys out the button when the command is set to CanExecute false. But I want to add the…
BrandonAGr
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RelayCommand Won't Execute On Button Click
I've been stuck on this problem for a few hours. I am attempting to implement an MVVM-style Word Add-In in WPF. I am not using an MVVM toolkit. I have a WPF user control that is docked within a WinForm. While I am able to see the WPF user control…
RudyD
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Windows Phone does not set SelectedItem when ItemTemplate has ScrollViewer
I'm using the ReorderListBox control that allows for items to be drag/dropped around in a listbox.
I'm also using MvvmLight, an EventTrigger and the EventToCommand class to capture the Tap event and execute a RelayCommand handler. Everything works…
sohum
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Get TabItem Name in UserControl
I have the following code that creates a TabControl. Each tab contains a UserControl (code is below) that displays different data (one shows Local tax info and the other show Fed/State tax info).
TabControl
BrianKE
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Pass different commandparameters to same command using RelayCommand WPF
So, what I am trying to achieve here is to use the same command to execute some different kind of code. The way I want to distinguish between the code I want to be executed can be done using commandparameters. I just don't see how I can do it the…
Jesper Plantener
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Open Child Window Standard
Disclaimer: I'm still learning MVVM and WPF so this might just be a ICommand vs RelayCommand question for all I know. I'm not using a MVVM framework or the like, just VS2010.
Currently I have a MainWindow with a Login button that opens a child…
PRX
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Creating RelayCommand without implementing ICommand
My query is how can I create a class behaving same as RelayCommand but without implementing ICommand for my MVVM application? Any suggestions are much appreciated.
My RelayCommand [which implements ICommand] is as below:
public class…
WpfBee
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How to bind command correctly in my custom control WPF
Here's my control:
Theodosius Von Richthofen
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How to make a custom control WPF Resource Dictionary with MVVMLight RelayCommands
Can i / How can I attach commands to a custom control i made and put it into a Resource Dictionary in WPF? I would like to not define this control in multiple places and also not have the code in code-behind file of the XAML for it. Here is the…
Theodosius Von Richthofen
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Int Property handling RelayCommand in MVVM
I have a Property which looks like this:
private int _wertungvalue;
public int WertungValue
{
get { return _wertungvalue; }
set
{
_wertungvalue = value;
RaisePropertyChanged(() => WertungValue);
}
}
It's binded to a…
Rudi
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How to pass my view model to a user to main view model?
I made a main window that displays various user controls in a content control. In this window, I have the user controls and their accompanying view models in the XAML as DataTemplate Resources. This window has a button that needs to display the…
Theodosius Von Richthofen
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When To Use ICommand Wrapped With RelayCommand and when to use Just ReplayCommand?
I am a bit confused about ICommand and RelayCommand
If I do this on an autocomplete control
public RelayCommand AutoCompleteCommand
{
get;
private set;
}
public MyConstructor()
{
AutoCompleteCommand = new…
chobo2
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wpf mvvm equality
I would like to use an MVVM in a WPF project I'm working on, including the use of RelayCommands (aka DelegateCommands). I'm running into an interesting but frustration problem in implementing equality for my ViewModels, outlined here. I have a base…
Berryl
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RelayCommand.CanExecute not updating IsEnabled in UI
I have a Windows Phone 8 app and I have a RelayCommand Instance called DiscoverExpansionModulesCommand. I have a button with the Command property bound to DiscoverExpansionModulesCommand. When the app first loads, the button is enabled or disabled…
Keenan Newton
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Relay command using injected data service not invoked
When I use an injected instance of a data service in the lambda statement that defines a relay command handler, the handler is never invoked (it is associated with a button). When I declare an instance of the data service within the lambda, it works…
Seth Abady
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