1 files changed, 6 insertions, 1 deletions
diff --git a/csharp/src/Google.Protobuf/Reflection/MessageDescriptor.cs b/csharp/src/Google.Protobuf/Reflection/MessageDescriptor.cs
index 7a1cb9d5..86942acc 100644..100755
--- a/csharp/src/Google.Protobuf/Reflection/MessageDescriptor.cs
+++ b/csharp/src/Google.Protobuf/Reflection/MessageDescriptor.cs
@@ -34,7 +34,7 @@ using System;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Linq;
-#if DOTNET35
+#if NET35
 // Needed for ReadOnlyDictionary, which does not exist in .NET 3.5
 using Google.Protobuf.Collections;
 #endif
@@ -221,6 +221,11 @@ namespace Google.Protobuf.Reflection
             File.DescriptorPool.FindSymbol<T>(FullName + "." + name);
 
         /// <summary>
+        /// The (possibly empty) set of custom options for this message.
+        /// </summary>
+        public CustomOptions CustomOptions => Proto.Options?.CustomOptions ?? CustomOptions.Empty;
+
+        /// <summary>
         /// Looks up and cross-links all fields and nested types.
         /// </summary>
         internal void CrossLink()