[This is preliminary documentation and is subject to change.]
Adds an object to the end of a collection.
- obj (Object)
- The object to add to the collection.
The position at which the object was added.
If the collection is ordered, then the Order property in the object will be set to
the position in the list at which it is added.
| Exception | Condition |
|---|---|
| InvalidOperationException | Thrown if you add an object
which is invalid (Persistent.IsInvalid returns
true). |
| InvalidCastException | Thrown if the object added is not of
type T. |