45 lines
1.2 KiB
C#
45 lines
1.2 KiB
C#
// Copyright (c) .NET Foundation. All rights reserved.
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// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
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using System;
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using System.Windows.Input;
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namespace Microsoft.VisualStudio.SecretManager.TestExtension
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{
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public class RelayCommand<T> : ICommand
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{
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readonly Action<T> _execute = null;
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readonly Predicate<T> _canExecute = null;
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public RelayCommand(Action<T> execute)
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: this(execute, null)
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{
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}
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public RelayCommand(Action<T> execute, Predicate<T> canExecute)
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{
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if (execute == null)
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throw new ArgumentNullException("execute");
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_execute = execute;
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_canExecute = canExecute;
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}
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public bool CanExecute(object parameter)
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{
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return _canExecute == null ? true : _canExecute((T)parameter);
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}
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public event EventHandler CanExecuteChanged
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{
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add { CommandManager.RequerySuggested += value; }
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remove { CommandManager.RequerySuggested -= value; }
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}
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public void Execute(object parameter)
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{
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_execute((T)parameter);
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}
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}
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}
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