.NET-Community-Toolkit/Microsoft.Toolkit.Mvvm/Input/Interfaces/IRelayCommand.cs

// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.

using System.Windows.Input;

namespace Microsoft.Toolkit.Mvvm.Input
{
    /// <summary>
    /// An interface expanding <see cref="ICommand"/> with the ability to raise
    /// the <see cref="ICommand.CanExecuteChanged"/> event externally.
    /// </summary>
    public interface IRelayCommand : ICommand
    {
        /// <summary>
        /// Notifies that the <see cref="ICommand.CanExecute"/> property has changed.
        /// </summary>
        void NotifyCanExecuteChanged();
    }
}