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IObserver<T>.OnNext Method

Provides the observer with new data.

Namespace:  System
Assembly:  mscorlib (in mscorlib.dll)

void OnNext(
	T value


Type: T
The current notification information.

After an observer has called a provider's IObservable<T>.Subscribe method, the provider calls the observer's OnNext method to provide notifications.

The following example provides an implementation of the OnNext method in a latitude/longitude tracking application. See the Example section of the IObserver<T> topic for the complete example.

public virtual void OnNext(Location value)
   Console.WriteLine("{2}: The current location is {0}, {1}", value.Latitude, value.Longitude, this.Name);

.NET Framework

Supported in: 4

.NET Framework Client Profile

Supported in: 4

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.