Export (0) Print
Expand All

Qbservable.Do(TSource) Method (IQbservable(TSource), Expression(Action(TSource)), Expression(Action(Exception)), Expression(Action))

Invokes an action for each element in the queryable observable sequence, and invokes an action upon graceful or exceptional termination of the queryable observable sequence.

Namespace:  System.Reactive.Linq
Assembly:  System.Reactive.Providers (in System.Reactive.Providers.dll)

static member Do : 
        source:IQbservable<'TSource> * 
        onNext:Expression<Action<'TSource>> * 
        onError:Expression<Action<Exception>> * 
        onCompleted:Expression<Action> -> IQbservable<'TSource> 

Type Parameters

TSource

The type of source.

Parameters

source
Type: System.Reactive.Linq.IQbservable(TSource)
The source sequence.
onNext
Type: System.Linq.Expressions.Expression(Action(TSource))
The action to invoke for each element in the queryable observable sequence.
onError
Type: System.Linq.Expressions.Expression(Action(Exception))
The action to invoke upon exceptional termination of the queryable observable sequence.
onCompleted
Type: System.Linq.Expressions.Expression(Action)
The action to invoke upon graceful termination of the queryable observable sequence.

Return Value

Type: System.Reactive.Linq.IQbservable(TSource)
The source sequence with the side-effecting behavior applied.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type IQbservable(TSource). When you use instance method syntax to call this method, omit the first parameter. For more information, see http://msdn.microsoft.com/en-us/library/bb384936(v=vs.103).aspx or http://msdn.microsoft.com/en-us/library/bb383977(v=vs.103).aspx.
Show:
© 2014 Microsoft