Copy FormulaCodeGeneratorTasks to a VS bin directory so VS doesn't lock the DLL's that are being built by the build.

Src/Extensions/FormulaCodeGeneratorTask/FormulaCodeGeneratorTask.Targets

@@ -4,7 +4,7 @@
     <Is64BitBuild Condition="$(MSBuildBinPath.EndsWith('amd64'))">true</Is64BitBuild>
     <FormulaCodeGeneratorBin>x86</FormulaCodeGeneratorBin>
     <FormulaCodeGeneratorBin Condition="$(Is64BitBuild)">x64</FormulaCodeGeneratorBin>
-    <FormulaCodeGeneratorPath>$(MSBuildThisFileDirectory)\bin\$(FormulaCodeGeneratorBin)\FormulaCodeGeneratorTask.dll</FormulaCodeGeneratorPath>
+    <FormulaCodeGeneratorPath>$(MSBuildThisFileDirectory)\$(Configuration)\$(FormulaCodeGeneratorBin)\vs\FormulaCodeGeneratorTask.dll</FormulaCodeGeneratorPath>
   </PropertyGroup>  
   <UsingTask TaskName="FormulaCodeGeneratorTask.FormulaCodeGeneratorTask" AssemblyFile="$(FormulaCodeGeneratorPath)"/>
   <Target Name="BeforeBuild" Outputs="@(FormulaGenFiles->'%(FullPath).g.cs')">                                                            

Src/Extensions/FormulaCodeGeneratorTask/FormulaCodeGeneratorTask.csproj

@@ -14,7 +14,7 @@
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|x86'">
     <DebugSymbols>true</DebugSymbols>
-    <OutputPath>bin\x86\</OutputPath>
+    <OutputPath>debug\x86\</OutputPath>
     <DefineConstants>DEBUG;TRACE</DefineConstants>
     <DebugType>full</DebugType>
     <PlatformTarget>x86</PlatformTarget>
@@ -22,7 +22,7 @@
     <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|x86'">
-    <OutputPath>bin\x86\</OutputPath>
+    <OutputPath>release\x86\</OutputPath>
     <DefineConstants>TRACE</DefineConstants>
     <Optimize>true</Optimize>
     <DebugType>pdbonly</DebugType>
@@ -30,10 +30,9 @@
     <ErrorReport>prompt</ErrorReport>
     <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
-
   <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|x64'">
     <DebugSymbols>true</DebugSymbols>
-    <OutputPath>bin\x64\</OutputPath>
+    <OutputPath>debug\x64\</OutputPath>
     <DefineConstants>DEBUG;TRACE</DefineConstants>
     <DebugType>full</DebugType>
     <PlatformTarget>x64</PlatformTarget>
@@ -41,7 +40,7 @@
     <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|x64'">
-    <OutputPath>bin\x64\</OutputPath>
+    <OutputPath>release\x64\</OutputPath>
     <DefineConstants>TRACE</DefineConstants>
     <Optimize>true</Optimize>
     <DebugType>pdbonly</DebugType>
@@ -49,7 +48,6 @@
     <ErrorReport>prompt</ErrorReport>
     <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
-
   <ItemGroup>
     <Reference Include="Microsoft.Build.Framework" />
     <Reference Include="Microsoft.Build.Utilities.v4.0" />
@@ -73,6 +71,9 @@
     </ProjectReference>
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+  <PropertyGroup>
+    <PostBuildEvent>$(ProjectDir)SetupVsBinaries.cmd $(Configuration) $(Platform)</PostBuildEvent>
+  </PropertyGroup>
   <!-- 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">

Src/Extensions/FormulaCodeGeneratorTask/SetupVsBinaries.cmd

@@ -0,0 +1,17 @@
+set Configuration=%1
+set Platform=%2
+
+set SCRIPTDIR=%~dp0
+
+set BINDIR=%SCRIPTDIR%\%Configuration%\%Platform%
+set VSDIR=%SCRIPTDIR%\%Configuration%\%Platform%\Vs
+
+if NOT exist "%BINDIR%" goto :nobits
+if NOT exist "%VSDIR%" mkdir "%VSDIR%"
+
+copy  /Y "%BINDIR%" "%VSDIR%"
+
+goto :eof
+:nobits
+echo That's odd there' snothing in your output dir: %BINDIR%
+goto :eof