TimeIntervalAdd Method | 
| Name | Description | |
|---|---|---|
| Add(TimeInterval) | 
            Adds two intervals together, producing an interval list that
            includes both intervals.
              | |
| Add(TimeIntervalCollection) | 
            Adds an interval list to this interval, producing a new interval list
            that includes this interval plus all intervals in the input list.
            The input list is not changed by this method.
              |