| Overload | Description | 
|---|---|
| Contains(IEntityScalarQuery,Object,Action<EntityScalarQueryOperation<Boolean>>,Object) | Determines whether a sequence contains any elements that match the specified element. | 
| Contains<TSource>(IEntityScalarQuery<TSource>,TSource,Action<EntityScalarQueryOperation<Boolean>>,Object) | Determines whether a sequence contains any elements that match the specified element. | 
Target Platforms: Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 family, Windows Vista, Windows Server 2008 family