mscorlib-4.0-offline-doxygenated-documentation/html/_i_observer_8cs_source.html

 namespace System
 {
     [__DynamicallyInvokable]
     public interface IObserver<in T>
     {
         [__DynamicallyInvokable]
         void OnNext(T value);

         [__DynamicallyInvokable]
         void OnError(Exception error);

         [__DynamicallyInvokable]
         void OnCompleted();
     }
 }
System.IObserver
Provides a mechanism for receiving push-based notifications.
Definition: IObserver.cs:6

System
Definition: __Canon.cs:3

System.ConsoleKey.T
The T key.

System.IObserver.OnError
void OnError(Exception error)
Notifies the observer that the provider has experienced an error condition.

System.Exception
Represents errors that occur during application execution.To browse the .NET Framework source code fo...
Definition: Exception.cs:22

System.IObserver.OnNext
void OnNext(T value)
Provides the observer with new data.

System.IObserver.OnCompleted
void OnCompleted()
Notifies the observer that the provider has finished sending push-based notifications.