log4net SDK Reference |

# LevelCollection.AddRange Method

Adds the elements of a Level array to the current `LevelCollection`.

#### Overload List

Adds the elements of a Level array to the current `LevelCollection`.

> public virtual int AddRange(Level[]);

Adds the elements of another `LevelCollection` to the current `LevelCollection`.

> public virtual int AddRange(LevelCollection);

Adds the elements of a Level collection to the current `LevelCollection`.

> public virtual int AddRange(ICollection);

#### See Also

LevelCollection Class | log4net.Core Namespace