RelayCommand Class

Reference

Definition

Namespace:: CommunityToolkit.Mvvm.Input

Assembly:: CommunityToolkit.Mvvm.dll

Package:: CommunityToolkit.Mvvm v7.0.3

Important

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A command whose sole purpose is to relay its functionality to other objects by invoking delegates. The default return value for the CanExecute(Object) method is true. This type does not allow you to accept command parameters in the Execute(Object) and CanExecute(Object) callback methods.

public sealed class RelayCommand : CommunityToolkit.Mvvm.Input.IRelayCommand, System.Windows.Input.ICommand

type RelayCommand = class
    interface IRelayCommand
    interface ICommand

Public NotInheritable Class RelayCommand
Implements ICommand, IRelayCommand

Inheritance: Object
RelayCommand

Implements: IRelayCommand ICommand

Constructors

RelayCommand(Action, Func<Boolean>)	Initializes a new instance of the RelayCommand class.
RelayCommand(Action)	Initializes a new instance of the RelayCommand class that can always execute.

Methods

CanExecute(Object)
Execute(Object)
NotifyCanExecuteChanged()	Notifies that the CanExecute(Object) property has changed.

Events

CanExecuteChanged

Applies to

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