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