Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System.Configuration/System/Configuration/CRYPTPROTECT_PROMPTSTRUCT.cs

@@ -0,0 +1,32 @@
+//------------------------------------------------------------------------------
+// <copyright file="CRYPTPROTECT_PROMPTSTRUCT.cs" company="Microsoft">
+//     Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>
+//------------------------------------------------------------------------------
+
+namespace System.Configuration
+{
+    using System.Collections.Specialized;
+    using System.Runtime.Serialization;
+    using System.Configuration.Provider;
+    using System.Xml;
+    using System.Text;
+    using  System.Runtime.InteropServices;
+    using Microsoft.Win32;
+
+    ////////////////////////////////////////////////////////////////////
+    ////////////////////////////////////////////////////////////////////
+    ////////////////////////////////////////////////////////////////////
+    [StructLayout(LayoutKind.Sequential)]
+    internal struct CRYPTPROTECT_PROMPTSTRUCT : IDisposable
+    {
+        public int cbSize;
+        public int dwPromptFlags;
+        public IntPtr hwndApp;
+        public string szPrompt;
+        void IDisposable.Dispose()
+        {
+            hwndApp = IntPtr.Zero;
+        }
+    }
+}