diff --git a/lib/csharp/src/Thrift.45.csproj b/lib/csharp/src/Thrift.45.csproj
new file mode 100644
index 0000000..949f373
--- /dev/null
+++ b/lib/csharp/src/Thrift.45.csproj
@@ -0,0 +1,129 @@
+﻿<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Licensed to the Apache Software Foundation (ASF) under one
+  or more contributor license agreements. See the NOTICE file
+  distributed with this work for additional information
+  regarding copyright ownership. The ASF licenses this file
+  to you under the Apache License, Version 2.0 (the
+  "License"); you may not use this file except in compliance
+  with the License. You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing,
+  software distributed under the License is distributed on an
+  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+  KIND, either express or implied. See the License for the
+  specific language governing permissions and limitations
+  under the License.
+-->
+<Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProjectGuid>{EBCE35DA-CF6A-42BC-A357-A9C09B534299}</ProjectGuid>
+    <OutputType>Library</OutputType>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <RootNamespace>Thrift</RootNamespace>
+    <AssemblyName>Thrift45</AssemblyName>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
+    <FileAlignment>512</FileAlignment>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="System" />
+    <Reference Include="System.Core" />
+    <Reference Include="System.Web" />
+    <Reference Include="System.Xml.Linq" />
+    <Reference Include="System.Data.DataSetExtensions" />
+    <Reference Include="Microsoft.CSharp" />
+    <Reference Include="System.Data" />
+    <Reference Include="System.Xml" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="Collections\TCollections.cs" />
+    <Compile Include="Collections\THashSet.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="Protocol\TAbstractBase.cs" />
+    <Compile Include="Protocol\TBase.cs" />
+    <Compile Include="Protocol\TBase64Utils.cs" />
+    <Compile Include="Protocol\TBinaryProtocol.cs" />
+    <Compile Include="Protocol\TCompactProtocol.cs" />
+    <Compile Include="Protocol\TField.cs" />
+    <Compile Include="Protocol\TJSONProtocol.cs" />
+    <Compile Include="Protocol\TList.cs" />
+    <Compile Include="Protocol\TMap.cs" />
+    <Compile Include="Protocol\TMessage.cs" />
+    <Compile Include="Protocol\TMessageType.cs" />
+    <Compile Include="Protocol\TMultiplexedProcessor.cs" />
+    <Compile Include="Protocol\TMultiplexedProtocol.cs" />
+    <Compile Include="Protocol\TProtocol.cs" />
+    <Compile Include="Protocol\TProtocolDecorator.cs" />
+    <Compile Include="Protocol\TProtocolException.cs" />
+    <Compile Include="Protocol\TProtocolFactory.cs" />
+    <Compile Include="Protocol\TProtocolUtil.cs" />
+    <Compile Include="Protocol\TSet.cs" />
+    <Compile Include="Protocol\TStruct.cs" />
+    <Compile Include="Protocol\TType.cs" />
+    <Compile Include="Server\TServer.cs" />
+    <Compile Include="Server\TServerEventHandler.cs" />
+    <Compile Include="Server\TSimpleServer.cs" />
+    <Compile Include="Server\TThreadedServer.cs" />
+    <Compile Include="Server\TThreadPoolServer.cs" />
+    <Compile Include="TApplicationException.cs" />
+    <Compile Include="TControllingHandler.cs" />
+    <Compile Include="TException.cs" />
+    <Compile Include="TAsyncProcessor.cs" />
+    <Compile Include="TProcessor.cs" />
+    <Compile Include="TProcessorFactory.cs" />
+    <Compile Include="TPrototypeProcessorFactory.cs" />
+    <Compile Include="Transport\TBufferedTransport.cs" />
+    <Compile Include="Transport\TFramedTransport.cs" />
+    <Compile Include="Transport\THttpTaskAsyncHandler.cs" />
+    <Compile Include="Transport\THttpClient.cs" />
+    <Compile Include="Transport\THttpHandler.cs" />
+    <Compile Include="Transport\TMemoryBuffer.cs" />
+    <Compile Include="Transport\TNamedPipeClientTransport.cs" />
+    <Compile Include="Transport\TNamedPipeServerTransport.cs" />
+    <Compile Include="Transport\TServerSocket.cs" />
+    <Compile Include="Transport\TServerTransport.cs" />
+    <Compile Include="Transport\TSilverlightSocket.cs" />
+    <Compile Include="Transport\TSocket.cs" />
+    <Compile Include="Transport\TStreamTransport.cs" />
+    <Compile Include="Transport\TTLSServerSocket.cs" />
+    <Compile Include="Transport\TTLSSocket.cs" />
+    <Compile Include="Transport\TTransport.cs" />
+    <Compile Include="Transport\TTransportException.cs" />
+    <Compile Include="Transport\TTransportFactory.cs" />
+    <Compile Include="TSingletonProcessorFactory.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <Folder Include="Server\Collections\" />
+    <Folder Include="Server\Protocol\" />
+  </ItemGroup>
+  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
+       Other similar extension points exist, see Microsoft.Common.targets.
+  <Target Name="BeforeBuild">
+  </Target>
+  <Target Name="AfterBuild">
+  </Target>
+  -->
+</Project>
\ No newline at end of file