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