| Overload | Description |
|---|---|
| Addition(TdIntervalHour,TdIntervalHour) | A TdIntervalHour is added to another TdIntervalHour. |
| Addition(TdIntervalHour,Int32) | The specified number of hours is added to the TdIntervalHour. |
| Addition(Int32,TdIntervalHour) | The specified number of hours is added to the TdIntervalHour. |