Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System.Web/UI/IPostBackEventHandler.cs

@@ -0,0 +1,32 @@
+//------------------------------------------------------------------------------
+// <copyright file="IPostBackEventHandler.cs" company="Microsoft">
+//     Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>                                                                
+//------------------------------------------------------------------------------
+
+/*
+ * Controls that will generate postback events from the client should implement this interface.
+ *
+ * Copyright (c) 1999 Microsoft Corporation
+ */
+namespace System.Web.UI {
+using System;
+
+/// <devdoc>
+///    <para> Defines the contract that controls must implement to
+///       handle low-level post back events.</para>
+/// </devdoc>
+public interface IPostBackEventHandler {
+    /*
+     * Process the event that this control wanted fired from a form post back.
+     */
+
+    /// <devdoc>
+    ///    <para>
+    ///       Enables a control to process the event fired by a form post back.
+    ///    </para>
+    /// </devdoc>
+    void RaisePostBackEvent(string eventArgument);
+}
+
+}