1 files changed, 65 insertions, 0 deletions
diff --git a/src/mscorlib/src/System/Runtime/InteropServices/NativeMethods.cs b/src/mscorlib/src/System/Runtime/InteropServices/NativeMethods.cs
new file mode 100644
index 0000000000..82cd4fa963
--- /dev/null
+++ b/src/mscorlib/src/System/Runtime/InteropServices/NativeMethods.cs
@@ -0,0 +1,65 @@
+// 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.
+
+
+/*============================================================
+**
+**
+** Purpose: part of ComEventHelpers APIs which allow binding 
+** managed delegates to COM's connection point based events.
+**
+**/
+#if FEATURE_COMINTEROP
+
+namespace System.Runtime.InteropServices {
+    
+    internal static class NativeMethods {
+
+        [
+        System.Security.SuppressUnmanagedCodeSecurity,
+        DllImport("oleaut32.dll", PreserveSig = false),
+        System.Security.SecurityCritical
+        ]
+        internal static extern void VariantClear(IntPtr variant);
+
+        [
+        System.Security.SuppressUnmanagedCodeSecurity,
+        ComImport,
+        InterfaceType(ComInterfaceType.InterfaceIsIUnknown),
+        Guid("00020400-0000-0000-C000-000000000046")
+        ]
+        internal interface IDispatch {
+
+            [System.Security.SecurityCritical]
+            void GetTypeInfoCount(out uint pctinfo);
+
+            [System.Security.SecurityCritical]
+            void GetTypeInfo(uint iTInfo, int lcid, out IntPtr info);
+
+            [System.Security.SecurityCritical]
+            void GetIDsOfNames(
+                ref Guid iid,
+                [MarshalAs(UnmanagedType.LPArray, ArraySubType = UnmanagedType.LPWStr, SizeParamIndex = 2)]
+                string[] names,
+                uint cNames,
+                int lcid,
+                [Out]
+                [MarshalAs(UnmanagedType.LPArray, ArraySubType = UnmanagedType.I4, SizeParamIndex = 2)]
+                int[] rgDispId);
+
+            [System.Security.SecurityCritical]
+            void Invoke(
+                int dispIdMember,
+                ref Guid riid,
+                int lcid,
+                ComTypes.INVOKEKIND wFlags,
+                ref ComTypes.DISPPARAMS pDispParams,
+                IntPtr pvarResult,
+                IntPtr pExcepInfo,
+                IntPtr puArgErr);
+        }
+    }
+}
+
+#endif