Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System/compmod/system/componentmodel/ISupportInitialize.cs

@@ -0,0 +1,37 @@
+//------------------------------------------------------------------------------
+// <copyright file="ISupportInitialize.cs" company="Microsoft">
+//     Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>                                                                
+//------------------------------------------------------------------------------
+
+namespace System.ComponentModel {
+    
+
+    using System.Diagnostics;
+
+    using System;
+
+    /// <devdoc>
+    ///    <para>Specifies that this object supports
+    ///       a simple,
+    ///       transacted notification for batch initialization.</para>
+    /// </devdoc>
+    [SRDescription(SR.ISupportInitializeDescr)]
+    public interface ISupportInitialize {
+        /// <devdoc>
+        ///    <para>
+        ///       Signals
+        ///       the object that initialization is starting.
+        ///    </para>
+        /// </devdoc>
+        void BeginInit();
+
+        /// <devdoc>
+        ///    <para>
+        ///       Signals the object that initialization is
+        ///       complete.
+        ///    </para>
+        /// </devdoc>
+        void EndInit();
+    }
+}