1 files changed, 21 insertions, 0 deletions
diff --git a/Rx.NET/System.Reactive.WindowsRuntime/IEventPatternSource.cs b/Rx.NET/System.Reactive.WindowsRuntime/IEventPatternSource.cs
new file mode 100644
index 0000000..c4e5dd1
--- /dev/null
+++ b/Rx.NET/System.Reactive.WindowsRuntime/IEventPatternSource.cs
@@ -0,0 +1,21 @@
+// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
+
+#if HAS_WINRT
+using Windows.Foundation;
+
+namespace System.Reactive
+{
+    /// <summary>
+    /// Represents a data stream signaling its elements by means of an event.
+    /// </summary>
+    /// <typeparam name="TSender">Sender type.</typeparam>
+    /// <typeparam name="TEventArgs">Event arguments type.</typeparam>
+    public interface IEventPatternSource<TSender, TEventArgs>
+    {
+        /// <summary>
+        /// Event signaling the next element in the data stream.
+        /// </summary>
+        event TypedEventHandler<TSender, TEventArgs> OnNext;
+    }
+}
+#endif
+\ No newline at end of file