This is a small class that implements ICommand
public class RelayCommand : ICommand
{
#region Fields
private readonly Action<object> execute;
private readonly Predicate<object> canExecute;
#endregion Fields
#region Constructors
public RelayCommand(Action<object> execute, Predicate<object> canExecute = null)
{
if (execute == null)
throw new ArgumentNullException("execute");
this.execute = execute;
this.canExecute = canExecute;
}
#endregion Constructors
#region ICommand Members
[DebuggerStepThrough]
public bool CanExecute(object parameter)
{
return canExecute == null ? true : canExecute(parameter);
}
public event EventHandler CanExecuteChanged
{
add { CommandManager.RequerySuggested += value; }
remove { CommandManager.RequerySuggested -= value; }
}
public void Execute(object parameter)
{
execute(parameter);
}
#endregion ICommand Members
}
As always, feel free to comment, or ask.