How do I use INotifyPropertyChanged to update an array binding?

Question

Let\'s say I have a class:

class Foo
{
  public string Bar
  {
    get { ... }
  }

  public string this[int index]
  {
    get { ... }
  }
}

I

Answer 1

Avoiding strings in your code, you can use the constant Binding.IndexerName, which is actually "Item[]"

new PropertyChangedEventArgs(Binding.IndexerName)