Add the UnmanagedExports nuget package

TGServiceInterface/TGServiceInterface.csproj

@@ -34,6 +34,10 @@
     <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
   <ItemGroup>
+    <Reference Include="RGiesecke.DllExport.Metadata, Version=1.0.0.0, Culture=neutral, PublicKeyToken=8f52d83c1a22df51, processorArchitecture=MSIL">
+      <HintPath>..\packages\UnmanagedExports.1.2.7\lib\net\RGiesecke.DllExport.Metadata.dll</HintPath>
+      <Private>False</Private>
+    </Reference>
     <Reference Include="System.Runtime.Serialization" />
     <Reference Include="System.ServiceModel" />
     <Reference Include="System.Web.Extensions" />
@@ -53,5 +57,9 @@
   <ItemGroup>
     <Content Include="tgs.ico" />
   </ItemGroup>
+  <ItemGroup>
+    <None Include="packages.config" />
+  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+  <Import Project="../packages/UnmanagedExports.1.2.7/tools/RGiesecke.DllExport.targets" Condition="Exists('../packages/UnmanagedExports.1.2.7/tools/RGiesecke.DllExport.targets')" />
 </Project>

TGServiceInterface/packages.config

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="UnmanagedExports" version="1.2.7" targetFramework="net452" />
+</packages>