diff --git a/Root-VSIX.csproj b/Root-VSIX.csproj
index 7007fbf..6415f5c 100644
--- a/Root-VSIX.csproj
+++ b/Root-VSIX.csproj
@@ -52,6 +52,13 @@
       <SpecificVersion>False</SpecificVersion>
       <HintPath>$(DevEnvDir)\..\..\VSSDK\VisualStudioIntegration\Common\Assemblies\v4.0\Microsoft.VisualStudio.Shell.12.0.dll</HintPath>
     </Reference>
+    <Reference Include="System" />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="Shell.Interop\Shell.Interop.csproj">
+      <Project>{2ae4160d-f51a-4374-9f40-ecee109d0f0d}</Project>
+      <Name>Shell.Interop</Name>
+    </ProjectReference>
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
diff --git a/Root-VSIX.sln b/Root-VSIX.sln
index 617ff26..fd96591 100644
--- a/Root-VSIX.sln
+++ b/Root-VSIX.sln
@@ -5,6 +5,8 @@ VisualStudioVersion = 12.0.21005.1
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Root-VSIX", "Root-VSIX.csproj", "{76E89321-38FA-4E6D-8FE8-CC3E89428092}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Shell.Interop", "Shell.Interop\Shell.Interop.csproj", "{2AE4160D-F51A-4374-9F40-ECEE109D0F0D}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -15,6 +17,10 @@ Global
 		{76E89321-38FA-4E6D-8FE8-CC3E89428092}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{76E89321-38FA-4E6D-8FE8-CC3E89428092}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{76E89321-38FA-4E6D-8FE8-CC3E89428092}.Release|Any CPU.Build.0 = Release|Any CPU
+		{2AE4160D-F51A-4374-9F40-ECEE109D0F0D}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{2AE4160D-F51A-4374-9F40-ECEE109D0F0D}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{2AE4160D-F51A-4374-9F40-ECEE109D0F0D}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{2AE4160D-F51A-4374-9F40-ECEE109D0F0D}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
diff --git a/Shell.Interop/COM Types.cs b/Shell.Interop/COM Types.cs
new file mode 100644
index 0000000..5ae2d22
--- /dev/null
+++ b/Shell.Interop/COM Types.cs	
@@ -0,0 +1,34 @@
+using System;
+using System.Runtime.InteropServices;
+
+// These types don't have a publicly available PIA, so I need to make one myself
+
+[assembly: PrimaryInteropAssembly(12, 0)]
+namespace Microsoft.Internal.VisualStudio.Shell.Interop
+{
+    [Guid("753E55C6-E779-4A7A-BCD1-FD87181D52C0"), InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
+    [ComImport]
+    public interface IVsExtensionManagerPrivate
+    {
+        [PreserveSig]
+        int GetEnabledExtensionContentLocations([MarshalAs(UnmanagedType.LPWStr)] [In] string szContentTypeName, [In] uint cContentLocations, [MarshalAs(UnmanagedType.LPArray, ArraySubType = UnmanagedType.BStr, SizeParamIndex = 1)] [Out] string[] rgbstrContentLocations, [MarshalAs(UnmanagedType.LPArray, ArraySubType = UnmanagedType.BStr, SizeParamIndex = 1)] [Out] string[] rgbstrUniqueExtensionStrings, out uint pcContentLocations);
+        [PreserveSig]
+        int GetEnabledExtensionContentLocationsWithNames([MarshalAs(UnmanagedType.LPWStr)] [In] string szContentTypeName, [In] uint cContentLocations, [MarshalAs(UnmanagedType.LPArray, ArraySubType = UnmanagedType.BStr, SizeParamIndex = 1)] [Out] string[] rgbstrContentLocations, [MarshalAs(UnmanagedType.LPArray, ArraySubType = UnmanagedType.BStr, SizeParamIndex = 1)] [Out] string[] rgbstrUniqueExtensionStrings, [MarshalAs(UnmanagedType.LPArray, ArraySubType = UnmanagedType.BStr, SizeParamIndex = 1)] [Out] string[] rgbstrExtensionNames, out uint pcContentLocations);
+        [PreserveSig]
+        int GetDisabledExtensionContentLocations([MarshalAs(UnmanagedType.LPWStr)] [In] string szContentTypeName, [In] uint cContentLocations, [MarshalAs(UnmanagedType.LPArray, ArraySubType = UnmanagedType.BStr, SizeParamIndex = 1)] [Out] string[] rgbstrContentLocations, [MarshalAs(UnmanagedType.LPArray, ArraySubType = UnmanagedType.BStr, SizeParamIndex = 1)] [Out] string[] rgbstrUniqueExtensionStrings, out uint pcContentLocations);
+        [PreserveSig]
+        int GetLastConfigurationChange([MarshalAs(UnmanagedType.LPArray)] [Out] DateTime[] pTimestamp);
+        [PreserveSig]
+        int LogAllInstalledExtensions();
+        [PreserveSig]
+        int GetUniqueExtensionString([MarshalAs(UnmanagedType.LPWStr)] [In] string szExtensionIdentifier, [MarshalAs(UnmanagedType.BStr)] out string pbstrUniqueString);
+    }
+    [Guid("6B741746-E3C9-434A-9E20-6E330D88C7F6"), InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
+    [ComImport]
+    public interface IVsExtensionManagerPrivate2
+    {
+        void GetAssetProperties([MarshalAs(UnmanagedType.LPWStr)] [In] string szAssetTypeName, [MarshalAs(UnmanagedType.SafeArray, SafeArraySubType = VarEnum.VT_BSTR)] out Array prgsaNames, [MarshalAs(UnmanagedType.SafeArray, SafeArraySubType = VarEnum.VT_BSTR)] out Array prgsaVersions, [MarshalAs(UnmanagedType.SafeArray, SafeArraySubType = VarEnum.VT_BSTR)] out Array prgsaAuthors, [MarshalAs(UnmanagedType.SafeArray, SafeArraySubType = VarEnum.VT_BSTR)] out Array prgsaExtensionIDs);
+        void GetExtensionProperties([MarshalAs(UnmanagedType.SafeArray, SafeArraySubType = VarEnum.VT_BSTR)] out Array prgsaNames, [MarshalAs(UnmanagedType.SafeArray, SafeArraySubType = VarEnum.VT_BSTR)] out Array prgsaVersions, [MarshalAs(UnmanagedType.SafeArray, SafeArraySubType = VarEnum.VT_BSTR)] out Array prgsaAuthors, [MarshalAs(UnmanagedType.SafeArray, SafeArraySubType = VarEnum.VT_BSTR)] out Array prgsaContentLocations, [MarshalAs(UnmanagedType.SafeArray, SafeArraySubType = VarEnum.VT_BSTR)] out Array prgsaExtensionIDs);
+        ulong GetLastWriteTime([MarshalAs(UnmanagedType.LPWStr)] [In] string szContentTypeName);
+    }
+}
diff --git a/Shell.Interop/Shell.Interop.csproj b/Shell.Interop/Shell.Interop.csproj
new file mode 100644
index 0000000..794017e
--- /dev/null
+++ b/Shell.Interop/Shell.Interop.csproj
@@ -0,0 +1,52 @@
+<?xml version="1.0" encoding="utf-8"?>
+<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>{2AE4160D-F51A-4374-9F40-ECEE109D0F0D}</ProjectGuid>
+    <OutputType>Library</OutputType>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <RootNamespace>Shell.Interop</RootNamespace>
+    <AssemblyName>Shell.Interop</AssemblyName>
+    <TargetFrameworkVersion>v4.5.1</TargetFrameworkVersion>
+    <FileAlignment>512</FileAlignment>
+    <AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <PlatformTarget>AnyCPU</PlatformTarget>
+    <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' ">
+    <PlatformTarget>AnyCPU</PlatformTarget>
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <PropertyGroup>
+    <StartupObject />
+  </PropertyGroup>
+  <ItemGroup>
+    <Compile Include="COM Types.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <Reference Include="System" />
+  </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