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IObservable.Add<'T> Extension Method (F#)

Permanently connects a listener function to the observable. The listener will be invoked for each observation.

Namespace/Module Path: Microsoft.FSharp.Control.CommonExtensions

Assembly: FSharp.Core (in FSharp.Core.dll)

// Signature:
type System.IObservable with
  member Add : ('T -> unit) -> unit

// Usage:
iObservable.Add (callback)

Parameters

  • callback
    Type: 'T -> unit

    The function to be called for each observation.

Remarks

This member is named AddToObservable in compiled assemblies. If you are accessing the method from a language other than F#, or through reflection, use this name.

Platforms

Windows 7, Windows Vista SP2, Windows XP SP3, Windows XP x64 SP2, Windows Server 2008 R2, Windows Server 2008 SP2, Windows Server 2003 SP2

Version Information

F# Runtime

Supported in: 2.0

Silverlight

Supported in: 3

See Also

Reference

Control.CommonExtensions Module (F#)

System

IObservable.Subscribe<'T> Extension Method (F#)

System.IObservable<'T> Interface