Qbservable.Do<TSource> Method (IQbservable<TSource>, IObserver<TSource>)

Invokes an action for each element in the queryable observable sequence.

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

Syntax

'Declaration
<ExtensionAttribute> _
Public Shared Function Do(Of TSource) ( _
    source As IQbservable(Of TSource), _
    observer As IObserver(Of TSource) _
) As IQbservable(Of TSource)

'Usage
Dim source As IQbservable(Of TSource)
Dim observer As IObserver(Of TSource)
Dim returnValue As IQbservable(Of TSource)

returnValue = source.Do(observer)

public static IQbservable<TSource> Do<TSource>(
    this IQbservable<TSource> source,
    IObserver<TSource> observer
)

[ExtensionAttribute]
public:
generic<typename TSource>
static IQbservable<TSource>^ Do(
    IQbservable<TSource>^ source, 
    IObserver<TSource>^ observer
)

static member Do : 
        source:IQbservable<'TSource> * 
        observer:IObserver<'TSource> -> IQbservable<'TSource> 

JScript does not support generic types and methods.

Type Parameters

• TSource
  The type of source

Parameters

• source
  Type: System.Reactive.Linq.IQbservable<TSource>
  The source sequence.

• observer
  Type: System.IObserver<TSource>
  The action to invoke for each element in 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 or .

See Also

Reference

Qbservable Class

Do Overload

System.Reactive.Linq Namespace