Imported Upstream version 4.0.0~alpha1

Former-commit-id: 806294f5ded97629b74c85c09952f2a74fe182d9

external/referencesource/System/compmod/system/componentmodel/ISupportInitializeNotification.cs

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+//------------------------------------------------------------------------------
+// <copyright file="ISupportInitializeNotification.cs" company="Microsoft">
+//     Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>                                                                
+//------------------------------------------------------------------------------
+
+namespace System.ComponentModel {
+    
+
+    using System.Diagnostics;
+
+    using System;
+
+    /// <include file='doc\ISupportInitializeNotification.uex' path='docs/doc[@for="ISupportInitializeNotification"]/*' />
+    /// <devdoc>
+    ///    <para>
+    ///         Extends ISupportInitialize to allow dependent components to be notified when initialization is complete.
+    ///    </para>
+    /// </devdoc>
+    public interface ISupportInitializeNotification : ISupportInitialize {
+        /// <include file='doc\ISupportInitializeNotification.uex' path='docs/doc[@for="ISupportInitializeNotification.IsInitialized"]/*' />
+        /// <devdoc>
+        ///    <para>
+        ///         Indicates whether initialization is complete yet.
+        ///    </para>
+        /// </devdoc>
+        bool IsInitialized { get; }
+
+        /// <include file='doc\ISupportInitializeNotification.uex' path='docs/doc[@for="ISupportInitializeNotification.Initialized"]/*' />
+        /// <devdoc>
+        ///    <para>
+        ///         Sent when initialization is complete.
+        ///    </para>
+        /// </devdoc>
+        event EventHandler Initialized;
+    }
+}