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using System;
using System.Windows.Input;
namespace MyToolkitMVVM
{
public class RelayCommand<T> : ICommand
{
public event EventHandler? CanExecuteChanged;
private readonly Action<T> execute;
private readonly Func<T, bool> canExecute;
public RelayCommand(Action<T> execute, Func<T, bool> canExecute = null)
{
this.execute = execute;
this.canExecute = canExecute;
}
public bool CanExecute(object? parameter)
{
if (parameter == null)
return true;
return canExecute((T)parameter);
}
public void Execute(object? parameter = null)
{
execute((T)parameter);
}
}
public class RelayCommand : RelayCommand<object>
{
public RelayCommand(Action<object> execute, Func<object, bool> canExecute = null)
: base(execute, canExecute)
{
}
/* public async Task<bool> CanExecuteAsync(object? parameter)
{
if (parameter == null)
return true;
return await CanExecuteInternalAsync((T)parameter);
}*/
public async Task Execute()
{
await Execute();
}
}
}