RelayCommand<T> Class

Definition

Namespace:

CommunityToolkit.Mvvm.Input

Assembly:

CommunityToolkit.Mvvm.dll

Package:

CommunityToolkit.Mvvm v7.0.3

A generic command whose sole purpose is to relay its functionality to other objects by invoking delegates. The default return value for the CanExecute method is true. This class allows you to accept command parameters in the Execute(T) and CanExecute(T) callback methods.

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

type RelayCommand<'T> = class
    interface IRelayCommand<'T>
    interface IRelayCommand
    interface ICommand

Public NotInheritable Class RelayCommand(Of T)
Implements ICommand, IRelayCommand(Of T)

Type Parameters

T

The type of parameter being passed as input to the callbacks.

Inheritance

Object

RelayCommand<T>

Implements

IRelayCommand IRelayCommand<T> ICommand

Constructors

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

Methods

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

Events

CanExecuteChanged