A collection provides a set of objects over which iteration can be performed. All collection objects must provide the following properties:
| Property name | Return type | Description |
|---|---|---|
| Count | VT_I4 | Returns the number of items in the collection; read only. Required. |
| _NewEnum | VT_DISPATCH | A special property that returns an enumerator object that implements IEnumVARIANT. Required. |