For a particular property, method, or collection definition, the Interface collection specifies which interface exposes a member of this type.
Dispatch Identifier: DISPID_Iface (37)
| Collection descriptor | Descriptor value | 
| Relationship Type | Interface-Has-Members | 
| Source Is Origin | No | 
| Minimum Collection Size | One | 
| Maximum Collection Size | One | 
| Sequenced Collection | Yes | 
| Deletes Propagated | Yes | 
| Destinations Named | Yes | 
| Case Sensitive Names | No | 
| Unique Names | Yes |