1 files changed, 68 insertions, 0 deletions
diff --git a/src/mscorlib/src/System/cominterfaces.cs b/src/mscorlib/src/System/cominterfaces.cs
new file mode 100644
index 0000000000..7d3620a22d
--- /dev/null
+++ b/src/mscorlib/src/System/cominterfaces.cs
@@ -0,0 +1,68 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+
+using System;
+using System.Globalization;
+using System.IO;
+using System.Reflection;
+using System.Runtime.InteropServices;
+using System.Runtime.Serialization;
+using System.Security.Permissions;
+using System.Security.Policy;
+
+namespace System.Runtime.InteropServices
+{
+    [GuidAttribute("03973551-57A1-3900-A2B5-9083E3FF2943")]
+    [InterfaceTypeAttribute(ComInterfaceType.InterfaceIsIUnknown)]
+    [CLSCompliant(false)]
+    [TypeLibImportClassAttribute(typeof(System.Activator))]
+[System.Runtime.InteropServices.ComVisible(true)]
+    public interface _Activator
+    {
+        void GetTypeInfoCount(out uint pcTInfo);
+
+        void GetTypeInfo(uint iTInfo, uint lcid, IntPtr ppTInfo);
+
+        void GetIDsOfNames([In] ref Guid riid, IntPtr rgszNames, uint cNames, uint lcid, IntPtr rgDispId);
+
+        void Invoke(uint dispIdMember, [In] ref Guid riid, uint lcid, short wFlags, IntPtr pDispParams, IntPtr pVarResult, IntPtr pExcepInfo, IntPtr puArgErr);
+    }
+
+    [GuidAttribute("917B14D0-2D9E-38B8-92A9-381ACF52F7C0")]
+    [InterfaceTypeAttribute(ComInterfaceType.InterfaceIsIUnknown)]
+    [CLSCompliant(false)]
+    [TypeLibImportClassAttribute(typeof(System.Attribute))]
+[System.Runtime.InteropServices.ComVisible(true)]
+    public interface _Attribute
+    {
+#if !FEATURE_CORECLR
+        void GetTypeInfoCount(out uint pcTInfo);
+
+        void GetTypeInfo(uint iTInfo, uint lcid, IntPtr ppTInfo);
+
+        void GetIDsOfNames([In] ref Guid riid, IntPtr rgszNames, uint cNames, uint lcid, IntPtr rgDispId);
+
+        void Invoke(uint dispIdMember, [In] ref Guid riid, uint lcid, short wFlags, IntPtr pDispParams, IntPtr pVarResult, IntPtr pExcepInfo, IntPtr puArgErr);
+#endif
+    }
+
+    [GuidAttribute("C281C7F1-4AA9-3517-961A-463CFED57E75")]
+    [InterfaceTypeAttribute(ComInterfaceType.InterfaceIsIUnknown)]
+    [CLSCompliant(false)]
+    [TypeLibImportClassAttribute(typeof(System.Threading.Thread))]
+[System.Runtime.InteropServices.ComVisible(true)]
+    public interface _Thread
+    {
+#if !FEATURE_CORECLR
+        void GetTypeInfoCount(out uint pcTInfo);
+
+        void GetTypeInfo(uint iTInfo, uint lcid, IntPtr ppTInfo);
+
+        void GetIDsOfNames([In] ref Guid riid, IntPtr rgszNames, uint cNames, uint lcid, IntPtr rgDispId);
+
+        void Invoke(uint dispIdMember, [In] ref Guid riid, uint lcid, short wFlags, IntPtr pDispParams, IntPtr pVarResult, IntPtr pExcepInfo, IntPtr puArgErr);
+#endif
+    }
+}