Edit C:\Windows\Microsoft.NET\Framework\v4.0.30319\Microsoft.WorkflowBuildExtensions.targets

<!--
***********************************************************************************************
Microsoft.WorkflowBuildExtensions.targets

WARNING:  DO NOT MODIFY this file unless you are knowledgeable about MSBuild and have
          created a backup copy.  Incorrect changes to this file will make it
          impossible to load or build your projects from the command-line or the IDE.

Copyright (C) Microsoft Corporation. All rights reserved.
***********************************************************************************************
-->

<PropertyGroup>
    <PrepareResourcesDependsOn>
      ValidationExtension;
      ExpressionBuildExtension;
      $(PrepareResourcesDependsOn)
    </PrepareResourcesDependsOn>
  </PropertyGroup>

<PropertyGroup>
    <CoreCompileDependsOn Condition="'$(BuildingInsideVisualStudio)' == 'true'">
        GenerateCompiledExpressionsTempFile;
        $(CoreCompileDependsOn)
    </CoreCompileDependsOn>   
  </PropertyGroup>
   
  <PropertyGroup> 
    <WorkflowBuildExtensionVersion Condition="'$(WorkflowBuildExtensionVersion)'==''">4.0.0.0</WorkflowBuildExtensionVersion>
    <WorkflowBuildExtensionKeyToken Condition="'$(WorkflowBuildExtensionKeyToken)'==''">31bf3856ad364e35</WorkflowBuildExtensionKeyToken>
    <WorkflowBuildExtensionAssemblyName Condition="'$(WorkflowBuildExtensionAssemblyName)'==''">Microsoft.Activities.Build, Version=$(WorkflowBuildExtensionVersion), Culture=neutral, PublicKeyToken=$(WorkflowBuildExtensionKeyToken)</WorkflowBuildExtensionAssemblyName>

<GenerateCompiledExpressionsTempFilePathForEditing Condition="'$(MSBuildProjectExtension)' == '.csproj'">$(IntermediateOutputPath)\TemporaryGeneratedFile_E7A71F73-0F8D-4B9B-B56E-8E70B10BC5D3.cs</GenerateCompiledExpressionsTempFilePathForEditing>
    <GenerateCompiledExpressionsTempFilePathForValidation Condition="'$(MSBuildProjectExtension)' == '.csproj'">$(IntermediateOutputPath)\TemporaryGeneratedFile_036C0B5B-1481-4323-8D20-8F5ADCB23D92.cs</GenerateCompiledExpressionsTempFilePathForValidation>
    <GenerateCompiledExpressionsTempFilePathForTypeInfer Condition="'$(MSBuildProjectExtension)' == '.csproj'">$(IntermediateOutputPath)\TemporaryGeneratedFile_5937a670-0e60-4077-877b-f7221da3dda1.cs</GenerateCompiledExpressionsTempFilePathForTypeInfer>

<DeferredValidationErrorsFileName>$(IntermediateOutputPath)\AC2C1ABA-CCF6-44D4-8127-588FD4D0A860-DeferredValidationErrors.xml</DeferredValidationErrorsFileName>
  </PropertyGroup>

<UsingTask TaskName="WorkflowBuildMessageTask" AssemblyName="$(WorkflowBuildExtensionAssemblyName)" />
  <UsingTask TaskName="ReportDeferredValidationErrorsTask" AssemblyName="$(WorkflowBuildExtensionAssemblyName)" />
  <UsingTask TaskName="DeferredValidationTask" AssemblyName="$(WorkflowBuildExtensionAssemblyName)" />
  
  <ItemGroup>
    <XamlBuildTaskTypeGenerationExtensionName Include="Microsoft.Activities.Build.BeforeInitializeComponentExtension">
      <AssemblyName>$(WorkflowBuildExtensionAssemblyName)</AssemblyName>
      <Visible>false</Visible>
    </XamlBuildTaskTypeGenerationExtensionName>
    <XamlBuildTaskTypeGenerationExtensionName Include="Microsoft.Activities.Build.Debugger.DebugBuildExtension">
      <AssemblyName>$(WorkflowBuildExtensionAssemblyName)</AssemblyName>
      <Visible>false</Visible>
    </XamlBuildTaskTypeGenerationExtensionName>
  </ItemGroup>
  
  <Target Name ="ExpressionBuildExtension" >
    <WorkflowBuildMessageTask ResourceName="InvalidValueForDisableWorkflowCompiledExpressions" MessageType="Warning"
           Condition = "'$(DisableWorkflowCompiledExpressions)'!='' and '$(DisableWorkflowCompiledExpressions)'!='true' and '$(DisableWorkflowCompiledExpressions)'!='false'"  >
    </WorkflowBuildMessageTask>
    <ItemGroup>
      <XamlBuildTaskTypeInspectionExtensionName Include= "Microsoft.Activities.Build.Expressions.ExpressionsBuildExtension" Condition="$(DisableWorkflowCompiledExpressions)!=true" >
        <AssemblyName>$(WorkflowBuildExtensionAssemblyName)</AssemblyName>
        <Visible>false</Visible>
      </XamlBuildTaskTypeInspectionExtensionName>
    </ItemGroup>
  </Target>

<Target Name ="ValidationExtension" >
    <WorkflowBuildMessageTask ResourceName="InvalidValueForSkipWorkflowValidation" MessageType="Warning"
           Condition = "'$(SkipWorkflowValidation)'!='' and '$(SkipWorkflowValidation)'!='true' and '$(SkipWorkflowValidation)'!='false'"  >
    </WorkflowBuildMessageTask>
    <ItemGroup>
      <XamlBuildTaskTypeInspectionExtensionName Include= "Microsoft.Activities.Build.Validation.ValidationBuildExtension" Condition="$(SkipWorkflowValidation)!=true" >
        <AssemblyName>$(WorkflowBuildExtensionAssemblyName)</AssemblyName>
        <Visible>false</Visible>
      </XamlBuildTaskTypeInspectionExtensionName>
    </ItemGroup>  
  </Target>

<Target Name="ReportValidationBuildExtensionErrors" AfterTargets="XamlMarkupCompilePass2" Condition="'$(SkipWorkflowValidation)' != 'true' and ('@(XamlPage)' != '' or '@(XamlAppDef)' != '')">    
    <ReportDeferredValidationErrorsTask DeferredValidationErrorsFilePath="$(DeferredValidationErrorsFileName)">
    </ReportDeferredValidationErrorsTask>
  </Target>

<Target Name="DeferredValidation" AfterTargets="Compile" Condition="'$(SkipWorkflowValidation)' != 'true' and ('@(XamlPage)' != '' or '@(XamlAppDef)' != '')">
    <DeferredValidationTask DeferredValidationErrorsFilePath="$(DeferredValidationErrorsFileName)">
    </DeferredValidationTask>
  </Target>
  
</Project>

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