diff --git a/lib/csharp/src/Protocol/TBase.cs b/lib/csharp/src/Protocol/TBase.cs
new file mode 100644
index 0000000..46c5e2a
--- /dev/null
+++ b/lib/csharp/src/Protocol/TBase.cs
@@ -0,0 +1,23 @@
+//
+//  TBase.cs
+//
+//  Distributed under the Thrift Software License
+//
+//  See accompanying file LICENSE or visit the Thrift site at:
+//  http://developers.facebook.com/thrift/using
+
+namespace Thrift.Protocol
+{
+	public interface TBase
+	{
+		///
+		/// Reads the TObject from the given input protocol.
+		///
+		void Read(TProtocol tProtocol);
+
+		///
+		/// Writes the objects out to the protocol
+		///
+		void Write(TProtocol tProtocol);
+	}
+}
diff --git a/lib/csharp/src/Thrift.csproj b/lib/csharp/src/Thrift.csproj
index 1a1a332..9f3f620 100644
--- a/lib/csharp/src/Thrift.csproj
+++ b/lib/csharp/src/Thrift.csproj
@@ -46,6 +46,7 @@
     <Reference Include="System.Xml.Linq" />
   </ItemGroup>
   <ItemGroup>
+    <Compile Include="Protocol\TBase.cs" />
     <Compile Include="Protocol\TBinaryProtocol.cs" />
     <Compile Include="Protocol\TField.cs" />
     <Compile Include="Protocol\TList.cs" />