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src/settings-ui/Settings.UI.Library/ViewModels/Commands/RelayCommand.cs
34 строки
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Stefan Markovic
[Settings, Common.UI, runner exe] Unify exe/dll naming (#15005)
15 дек 2021, 14:56
Не верифицирован
15 дек 2021, 14:56
073caff
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// Copyright (c) Microsoft Corporation // The Microsoft Corporation licenses this file to you under the MIT license. // See the LICENSE file in the project root for more information. using System; using System.Windows.Input; namespace Microsoft.PowerToys.Settings.UI.Library.ViewModels.Commands { public class RelayCommand : ICommand { private readonly Action _execute; private readonly Func<bool> _canExecute; public event EventHandler CanExecuteChanged; public RelayCommand(Action execute) : this(execute, null) { } public RelayCommand(Action execute, Func<bool> canExecute) { _execute = execute ?? throw new ArgumentNullException(nameof(execute)); _canExecute = canExecute; } public bool CanExecute(object parameter) => _canExecute == null || _canExecute(); public void Execute(object parameter) => _execute(); public void OnCanExecuteChanged() => CanExecuteChanged?.Invoke(this, EventArgs.Empty); } }