20230724_MBJC_upperpc/Common/RelayCommand.cs

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2024-01-17 01:24:32 +00:00
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Input;
namespace _20230724_MBJC_upperpc.Common
{
public class RelayCommand : ICommand
{
private readonly Action<object> execute;
private readonly Func<object, bool> canExecute;
public RelayCommand(Action<object> execute, Func<object, bool> canExecute = null)
{
this.execute = execute ?? throw new ArgumentNullException(nameof(execute));
this.canExecute = canExecute;
}
public event EventHandler CanExecuteChanged
{
add { CommandManager.RequerySuggested += value; }
remove { CommandManager.RequerySuggested -= value; }
}
public bool CanExecute(object parameter)
{
return canExecute == null || canExecute(parameter);
}
public void Execute(object parameter)
{
execute(parameter);
}
}
}