| Overload | Description |
|---|---|
| UnionAsync(IList<Graphic>) | This operation constructs the set-theoretic union of the geometries in the input collection. All inputs must be of the same type. |
| UnionAsync(IList<Graphic>,Object) | This operation constructs the set-theoretic union of the geometries in the input collection. All inputs must be of the same type. |
Target Platforms: Windows XP Professional, Windows Server 2003 family, Windows Vista, Windows Server 2008 family