1 files changed, 33 insertions, 0 deletions
diff --git a/src/mscorlib/src/System/Runtime/InteropServices/ComTypes/IPersistFile.cs b/src/mscorlib/src/System/Runtime/InteropServices/ComTypes/IPersistFile.cs
new file mode 100644
index 0000000000..657ab66103
--- /dev/null
+++ b/src/mscorlib/src/System/Runtime/InteropServices/ComTypes/IPersistFile.cs
@@ -0,0 +1,33 @@
+// Copyright (c) Microsoft. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+
+/*=============================================================================
+**
+**
+**
+** Purpose: IPersistFile interface definition.
+**
+**
+=============================================================================*/
+
+namespace System.Runtime.InteropServices.ComTypes
+{
+    using System;
+
+    [Guid("0000010b-0000-0000-C000-000000000046")]
+    [InterfaceTypeAttribute(ComInterfaceType.InterfaceIsIUnknown)]
+    [ComImport]
+    public interface IPersistFile
+    {
+        // IPersist portion
+        void GetClassID(out Guid pClassID);
+        
+        // IPersistFile portion
+        [PreserveSig]
+        int IsDirty();
+        void Load([MarshalAs(UnmanagedType.LPWStr)] String pszFileName, int dwMode);
+        void Save([MarshalAs(UnmanagedType.LPWStr)] String pszFileName, [MarshalAs(UnmanagedType.Bool)] bool fRemember);
+        void SaveCompleted([MarshalAs(UnmanagedType.LPWStr)] String pszFileName);
+        void GetCurFile([MarshalAs(UnmanagedType.LPWStr)] out String ppszFileName);
+    }
+}