How do you tell if a WPF Window is closed?

Question

I\'m working on an application that displays some child windows which can either be closed by the user or are automatically closed. While debugging some exceptions that wer

Answer 1

I don't know why the IsDisposed property is internal, but if you don't fear reflection:

var window = new Window();
var propertyInfo = typeof(Window).GetProperty("IsDisposed", BindingFlags.NonPublic | BindingFlags.Instance);
var isDisposed = (bool)propertyInfo.GetValue(window);

That being said, reflection is not to be overused because you're no longer protected by the public API of the class. Be sure to use at least unit tests if you go that route.