Added ToBuilder and WeakToBuilder

1 files changed, 14 insertions, 1 deletions

diff --git a/src/ProtocolBuffers/IMessage.cs b/src/ProtocolBuffers/IMessage.cs
index a29313fb..e87bb52c 100644
--- a/src/ProtocolBuffers/IMessage.cs
+++ b/src/ProtocolBuffers/IMessage.cs
@@ -168,11 +168,18 @@ namespace Google.ProtocolBuffers {
 
     /// <summary>
     /// Creates a builder for the type, but in a weakly typed manner. This
-    /// is typically implemented by strongly typed builders by just returning
+    /// is typically implemented by strongly typed messages by just returning
     /// the result of CreateBuilderForType.
     /// </summary>
     IBuilder WeakCreateBuilderForType();
 
+    /// <summary>
+    /// Creates a builder with the same contents as this message. This
+    /// is typically implemented by strongly typed messages by just returning
+    /// the result of ToBuilder.
+    /// </summary>
+    IBuilder WeakToBuilder();
+
     IMessage WeakDefaultInstanceForType { get; }
   }
 
@@ -198,6 +205,12 @@ namespace Google.ProtocolBuffers {
     /// Constructs a new builder for a message of the same type as this message.
     /// </summary>
     TBuilder CreateBuilderForType();
+    /// <summary>
+    /// Creates a builder with the same contents as this current instance.
+    /// This is typically implemented by strongly typed messages by just
+    /// returning the result of ToBuilder().
+    /// </summary>
+    TBuilder ToBuilder();
     #endregion
   }
 }