agrobot_base/AgroBase/OperationControl/Helpers/RelayCommand.cs

28 lines
864 B
C#

// Helpers/RelayCommand.cs
using System;
using System.Windows.Input;
namespace OperationControl.Helpers
{
public class RelayCommand : ICommand
{
private readonly Action<object> _execute;
private readonly Predicate<object> _canExecute;
public RelayCommand(Action<object> execute, Predicate<object> canExecute = null)
{
_execute = execute ?? throw new ArgumentNullException(nameof(execute));
_canExecute = canExecute;
}
public bool CanExecute(object parameter) => _canExecute?.Invoke(parameter) ?? true;
public void Execute(object parameter) => _execute(parameter);
public event EventHandler CanExecuteChanged
{
add => CommandManager.RequerySuggested += value;
remove => CommandManager.RequerySuggested -= value;
}
}
}