WPF - How to force a Command to re-evaluate 'CanExecute' via its CommandBindings

Question

I have a Menu where each MenuItem in the hierarchy has its Command property set to a RoutedCommand I\'ve defined. The as

Answer 1

I've implemented a solution to handle property dependency on commands, here the link https://stackoverflow.com/a/30394333/1716620

thanks to that you'll end up having a command like this:

this.SaveCommand = new MyDelegateCommand(this,
    //execute
    () => {
      Console.Write("EXECUTED");
    },
    //can execute
    () => {
      Console.Write("Checking Validity");
       return PropertyX!=null && PropertyY!=null && PropertyY.Length < 5;
    },
    //properties to watch
    (p) => new { p.PropertyX, p.PropertyY }
 );