public void TestPropertyTrackingWithInnerProperties() { ItemAttachment itemAttachment = new ItemAttachment() { Name = "Item attach", Item = new Event() { Subject = "Event subject", Attendees = new List <Attendee>() { new Attendee() { EmailAddress = new EmailAddress() { Address = "*****@*****.**" } } }, Body = new ItemBody() } }; Assert.AreEqual( 2, itemAttachment.GetChangedProperies().Count); Assert.AreEqual( 3, itemAttachment.Item.GetChangedProperies().Count); Assert.IsTrue( ItemAttachmentObjectSchema.Item.ChangeTrackable); itemAttachment.ResetChangeTracking(); Assert.AreEqual( 0, itemAttachment.GetChangedProperies().Count); Assert.AreEqual( 0, itemAttachment.Item.GetChangedProperies().Count); }