| Overload | Description |
|---|---|
| Add(TdIntervalHour,TdIntervalHour) | Calculates the sum of two TdIntervalHour operands. |
| Add(TdIntervalHour,Int32) | The specified number of hours is added to the TdIntervalHour. |
| Add(Int32,TdIntervalHour) | The specified number of hours is added to the TdIntervalHour. |