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// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
namespace System.Reactive
{
/// <summary>
/// Represents a data stream signaling its elements by means of an event.
/// </summary>
/// <typeparam name="TEventArgs">The type of the event data generated by the event.</typeparam>
public interface IEventPatternSource<TEventArgs>
#if !NO_EVENTARGS_CONSTRAINT
where TEventArgs : EventArgs
#endif
{
/// <summary>
/// Event signaling the next element in the data stream.
/// </summary>
event EventHandler<TEventArgs> OnNext;
}
}