1 files changed, 10 insertions, 0 deletions
diff --git a/csharp/src/ProtocolBuffers/GeneratedMessage.cs b/csharp/src/ProtocolBuffers/GeneratedMessage.cs
index c17c15cf..ff3a0c2a 100644
--- a/csharp/src/ProtocolBuffers/GeneratedMessage.cs
+++ b/csharp/src/ProtocolBuffers/GeneratedMessage.cs
@@ -142,6 +142,16 @@ namespace Google.ProtocolBuffers
             get { return Dictionaries.AsReadOnly(GetMutableFieldMap()); }
         }
 
+        public override bool HasOneof(OneofDescriptor oneof)
+        {
+            return InternalFieldAccessors.Oneof(oneof).Has(ThisMessage);
+        }
+
+        public override FieldDescriptor OneofFieldDescriptor(OneofDescriptor oneof)
+        {
+            return InternalFieldAccessors.Oneof(oneof).GetOneofFieldDescriptor(ThisMessage);
+        }
+
         public override bool HasField(FieldDescriptor field)
         {
             return InternalFieldAccessors[field].Has(ThisMessage);