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