1 files changed, 25 insertions, 0 deletions
diff --git a/src/mscorlib/src/System/Runtime/CompilerServices/IDispatchConstantAttribute.cs b/src/mscorlib/src/System/Runtime/CompilerServices/IDispatchConstantAttribute.cs
new file mode 100644
index 0000000000..e7ffc938f4
--- /dev/null
+++ b/src/mscorlib/src/System/Runtime/CompilerServices/IDispatchConstantAttribute.cs
@@ -0,0 +1,25 @@
+// Copyright (c) Microsoft. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+
+using System.Runtime.InteropServices;
+
+namespace System.Runtime.CompilerServices
+{
+[Serializable]
+[AttributeUsage(AttributeTargets.Field | AttributeTargets.Parameter, Inherited=false)]
+[System.Runtime.InteropServices.ComVisible(true)]
+    public sealed class IDispatchConstantAttribute : CustomConstantAttribute
+    {
+        public IDispatchConstantAttribute()
+        {
+        }
+
+        public override Object Value
+        {
+            get 
+            {
+                return new DispatchWrapper(null);
+            }
+        }
+    }
+}