SOMS/test/YoloV5ImageLableWpfApp/AnotherCommandImplementation.cs
2024-07-15 10:31:26 +08:00

50 lines
1.2 KiB
C#

using System;
using System.Windows.Input;
namespace WatchDog.WPF
{
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();
}
}
}