| Overload | Description |
|---|---|
| Add(ListColumn) | Adds an item to the collection. |
| Add(String) | Adds an ListColumn with the given text to the collection. |
| Overload | Description |
|---|---|
| Add(ListColumn) | Adds an item to the collection. |
| Add(String) | Adds an ListColumn with the given text to the collection. |