1 files changed, 21 insertions, 0 deletions
diff --git a/src/System.Private.CoreLib/shared/System/Runtime/InteropServices/InterfaceTypeAttribute.cs b/src/System.Private.CoreLib/shared/System/Runtime/InteropServices/InterfaceTypeAttribute.cs
new file mode 100644
index 0000000000..695faa7937
--- /dev/null
+++ b/src/System.Private.CoreLib/shared/System/Runtime/InteropServices/InterfaceTypeAttribute.cs
@@ -0,0 +1,21 @@
+// 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.
+
+namespace System.Runtime.InteropServices
+{
+    [AttributeUsage(AttributeTargets.Interface, Inherited = false)]
+    public sealed class InterfaceTypeAttribute : Attribute
+    {
+        public InterfaceTypeAttribute(ComInterfaceType interfaceType)
+        {
+            Value = interfaceType;
+        }
+        public InterfaceTypeAttribute(short interfaceType)
+        {
+            Value = (ComInterfaceType)interfaceType;
+        }
+
+        public ComInterfaceType Value { get; }
+    }
+}