HistoricalRelationship Properties | 
The HistoricalRelationship type exposes the following members.
| Name | Description | |
|---|---|---|
| InstallTime | 
            The date/time when the relationship between the two items was established.
              | |
| RelatedItem | 
            The item that was once related to the item.
              | |
| RelationshipType | 
            The type of relationhip that the RelatedItem property once had to the item.
              | |
| UninstallTime | 
            The date/time when the relationship between the two items was dissolved.
              |