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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Input;
namespace MahMaterialDragablzMashUp
{
/// <summary>
/// No WPF project is complete without it's own version of this.
/// </summary>
public class AnotherCommandImplementation : ICommand
{
private readonly Action<object> _execute;
private readonly Func<object, bool> _canExecute;
public AnotherCommandImplementation(Action<object> execute) : this(execute, null)
{
}
public AnotherCommandImplementation(Action<object> execute, Func<object, bool> canExecute)
{
if (execute == null) throw new ArgumentNullException(nameof(execute));
_execute = execute;
_canExecute = canExecute ?? (x => true);
}
public bool CanExecute(object parameter)
{
return _canExecute(parameter);
}
public void Execute(object parameter)
{
_execute(parameter);
}
public event EventHandler CanExecuteChanged
{
add
{
CommandManager.RequerySuggested += value;
}
remove
{
CommandManager.RequerySuggested -= value;
}
}
public void Refresh()
{
CommandManager.InvalidateRequerySuggested();
}
}
}
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