Custom targets to allow VS T4 templates to pick up build properties

CustomT4.targets

<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="14.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
  <!-- Include this target at the end of your project file to allow properties to be fully initialized -->

  <!-- Set up common properties for T4 text templating -->
  <ItemGroup>
    <!-- Release, debug, etc. -->
    <T4ParameterValues Include="Configuration">
        <Value>$(Configuration)</Value>
    </T4ParameterValues>
    <!-- The platform, such as AnyCPU -->
    <T4ParameterValues Include="Platform">
        <Value>$(Platform)</Value>
    </T4ParameterValues>
    <!-- The assembly name, without .dll -->
    <T4ParameterValues Include="AssemblyName">
        <Value>$(AssemblyName)</Value>
    </T4ParameterValues>
    <!-- The directory for the output file -->
    <T4ParameterValues Include="TargetDir">
        <Value>$(TargetDir)</Value>
    </T4ParameterValues>
    <!-- Full path to the output file -->
    <T4ParameterValues Include="TargetPath">
        <Value>$(TargetPath)</Value>
    </T4ParameterValues>
    <!-- Example: .NETPortable -->
    <T4ParameterValues Include="TargetFrameworkIdentifier">
        <Value>$(TargetFrameworkIdentifier)</Value>
    </T4ParameterValues>
    <!-- Example: v5.0 -->
    <T4ParameterValues Include="TargetFrameworkVersion">
        <Value>$(TargetFrameworkVersion)</Value>
    </T4ParameterValues>
    <!-- Example: Portable -->
    <T4ParameterValues Include="TargetPlatformIdentifier">
        <Value>$(TargetPlatformIdentifier)</Value>
    </T4ParameterValues>
    <!-- Example: 7.0 -->
    <T4ParameterValues Include="TargetPlatformVersion">
        <Value>$(TargetPlatformVersion)</Value>
    </T4ParameterValues>
  </ItemGroup>

  <!-- Make sure items that are directly hitting the MSBuild target are included for processing -->
  <Target
    Name="CreateT4ItemListsForMSBuildCustomTool"
    BeforeTargets="CreateT4ItemLists"
    AfterTargets="SelectItemsForTransform">

    <ItemGroup>
        <T4Transform Include="@(CreateT4ItemListsInputs)" Condition="'%(CreateT4ItemListsInputs.Generator)' == 'MSBuild:TransformAll'" />
    </ItemGroup>
  </Target>
</Project>