public void When_SimpleInheritance_Early()
{
var root = new Grid();
var child1 = new Grid();
Assert.AreEqual(0, MyAttachedPropType.GetMyProperty(child1));
root.Children.Add(child1);
MyAttachedPropType.SetMyProperty(root, 42);
Assert.AreEqual(42, MyAttachedPropType.GetMyProperty(child1));
}
public void When_SimpleInheritance_Early_Event()
{
var root = new Grid();
var child1 = new Grid();
int propagatedValue = -1;
child1.RegisterPropertyChangedCallback(
MyAttachedPropType.MyPropertyProperty,
(s, e) => {
propagatedValue = MyAttachedPropType.GetMyProperty(child1);
}
);
Assert.AreEqual(-1, propagatedValue);
MyAttachedPropType.SetMyProperty(root, 42);
root.Children.Add(child1);
Assert.AreEqual(42, MyAttachedPropType.GetMyProperty(child1));
Assert.AreEqual(42, propagatedValue);
}
