How does one “disable” a button in WPF using the MVVM pattern?

Question

I\'m trying to get a grasp on WPF and MVVM and have been making good progress. The WPF and MVVM side of things are going well.

However, the XAML and data binding sid

Answer 1

This works too:

View:

ViewModel:

    private bool _btnEnabled;
    public bool btnEnabled
    {
        get { return _btnEnabled; }
        set
        {
            if (_btnEnabled != value)
            {
                _btnEnabled = value;
                OnPropertyChanged();
            }
        }
    }