| QueryableExDoTSource Method (IQueryableTSource, IObserverTSource) |
Lazily invokes observer methods for each value in the sequence, and upon successful or exceptional termination.
Namespace: System.Linq
Assembly: System.Interactive.Providers (in System.Interactive.Providers.dll) Version: 1.2.0.0
SyntaxC#
public static IQueryable<TSource> Do<TSource>( this IQueryable<TSource> source, IObserver<TSource> observer )
Parameters
- source
- Type: System.LinqIQueryableTSource
Source sequence. - observer
- Type: SystemIObserverTSource
Observer to invoke notification calls on.
Type Parameters
- TSource
- Source sequence element type.
Return Value
Type: IQueryableTSourceSequence exhibiting the side-effects of observer method invocation upon enumeration.
Usage Note
In Visual Basic and C#, you can call this method as an instance method on any object of type IQueryableTSource. When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).See Also