visual studio 2010编译条件基于目标框架 [英] visual studio 2010 compiler conditions based on target framework

问题描述

我需要能够做到这一点在我的代码：

 ＃如果NET_3_5 
 // .NET 3.5只有代码
的#else 
 //非.NET 3.5的代码
 #ENDIF 
  

根据这，我尝试添加这对我的csproj文件，但它并没有帮助：

 < DefineConstants条件='$（TargetFrameworkVersion） '=='V3.5'> NET_3_5< / DefineConstants> 
  

更新

下面是该项目的文件：

 <？XML版本=1.0编码=UTF-8>？; 
<项目ToolsVersion =4.0DefaultTargets =生成的xmlns =http://schemas.microsoft.com/developer/msbuild/2003> 
<&的PropertyGroup GT; 
<结构条件='$（配置）'==''>调试和LT; /结构> 
<平台条件='$（平台）'==''>&值为anycpu LT; /平台和GT; 
<&的ProductVersion GT; 8.0.30703< /&的ProductVersion GT; 
< SchemaVersion> 2.0< / SchemaVersion> 
< ProjectGuid> {FAA16900-38B9-4891-86C3-F595DA1FA6F7}< / ProjectGuid> 
<输出类型>图书馆与LT; /输出类型> 
< AppDesignerFolder>物业LT; / AppDesignerFolder> 
< RootNamespace> RavenLinqpadDriver< / RootNamespace> 
<&的AssemblyName GT; RavenLinqpadDriver< /的AssemblyName> 
< TargetFrameworkVersion>&V3.5 LT; / TargetFrameworkVersion> 
< FileAlignment> 512 LT; / FileAlignment> 
< TargetFrameworkProfile /> 
< /&的PropertyGroup GT; 
<的PropertyGroup条件='$（配置）| $（平台）'=='调试|值为anycpu'> 
< DebugSymbols>真< / DebugSymbols> 
<&DEBUGTYPE GT;全< / DEBUGTYPE> 
<优化>假LT; /优化> 
< OutputPath> bin\Debug\< / OutputPath> 
< DefineConstants> DEBUG，TRACE< / DefineConstants> 
< DefineConstants条件='$（TargetFrameworkVersion）'=='V3.5'> NET_3_5< / DefineConstants> 
< ErrorReport>&提示LT; / ErrorReport> 
将; WarningLevel→4&下; / WarningLevel> 
< /&的PropertyGroup GT; 
<的PropertyGroup条件='$（配置）| $（平台）'=='发布|值为anycpu'> 
<&DEBUGTYPE GT; pdbonly< / DEBUGTYPE> 
<优化>真< /优化> 
< OutputPath> bin\Release\< / OutputPath> 
< DefineConstants>跟踪和LT; / DefineConstants> 
< ErrorReport>&提示LT; / ErrorReport> 
将; WarningLevel→4&下; / WarningLevel> 
< /&的PropertyGroup GT; 
<&的PropertyGroup GT; 
< SignAssembly>真< / SignAssembly> 
< /&的PropertyGroup GT; 
<&的PropertyGroup GT; 
< AssemblyOriginatorKeyFile> RavenLinqpadDriverStrongNameKey.pfx< / AssemblyOriginatorKeyFile> 
< /&的PropertyGroup GT; 
<&的ItemGroup GT; 
<参考包括=GalaSoft.MvvmLight> 
< HintPath> .. \packages\MvvmLight.3.0.3\lib\\\
et35\GalaSoft.MvvmLight.dll< / HintPath> 
< /参考和GT; 
<参考包括=GalaSoft.MvvmLight.Extras> 
< HintPath> .. \packages\MvvmLight.3.0.3\lib\\\
et35\GalaSoft.MvvmLight.Extras.dll< / HintPath> 
< /参考和GT; 
<参考包括=LINQPad> 
< HintPath> .. \lib\LINQPad.exe< / HintPath> 
<私人和GT假LT; /私人和GT; 
< /参考和GT; 
<参考包括=Newtonsoft.Json.Net35> 
< HintPath> .. \lib\Newtonsoft.Json.Net35.dll< / HintPath> 
< /参考和GT; 
<参考包括=PresentationCore/> 
<参考包括=PresentationFramework/> 
<参考包括=Raven.Client.Lightweight-3.5> 
< HintPath> .. \lib\Raven.Client.Lightweight-3.5.dll< / HintPath> 
< /参考和GT; 
<参考包括=系统/> 
<参考包括=System.ComponentModel.DataAnnotations/> 
<参考包括=System.Core程序/> 
<参考包括=System.Windows.Interactivity，版本= 3.5.0.0，文化=中性公钥= 31bf3856ad364e35，的ProcessorArchitecture = MSIL> 
< HintPath> .. \packages\MvvmLight.3.0.3\lib\\\
et35\System.Windows.Interactivity.dll< / HintPath> 
< /参考和GT; 
<参考包括=System.Xml.Linq的/> 
<参考包括=System.Data.DataSetExtensions/> 
<参考包括=System.Data这/> 
<参考包括=的System.Xml/> 
<参考包括=WindowsBase/> 
< /&的ItemGroup GT; 
<&的ItemGroup GT; 
<编译包括=GuidValueConverter.cs/> 
<编译包括=RavenDriver.cs/> 
<编译包括=Properties\AssemblyInfo.cs/> 
<编译包括=RavenConectionDialog.xaml.cs> 
< DependentUpon> RavenConectionDialog.xaml< / DependentUpon> 
< /编译> 
<编译包括=RavenConnectionInfo.cs/> 
<编译包括=RavenContext.cs/> 
<编译包括=Utility.cs/> 
< /&的ItemGroup GT; 
<&的ItemGroup GT; 
<无包括=packages.config/> 
<无包括=RavenLinqpadDriverStrongNameKey.pfx/> 
< /&的ItemGroup GT; 
<&的ItemGroup GT; 
<内容包括=header.xml> 
< CopyToOutputDirectory>总是小于/ CopyToOutputDirectory> 
< /内容及GT; 
< /&的ItemGroup GT; 
<&的ItemGroup GT; 
<页面包含=RavenConectionDialog.xaml> 
<亚型GT;&设计师LT; /亚型GT; 
<发生器GT;的MSBuild：编译< /发电机> 
< /页> 
< /&的ItemGroup GT; 
<导入项目=$（MSBuildToolsPath）\Microsoft.CSharp.targets/> 
<&的PropertyGroup GT; 
< PostBuildEvent> 
< / PostBuildEvent> 
< /&的PropertyGroup GT; 
<！ - 要修改你的构建过程中，添加你的任务内低于目标之一，并取消它。 
其它类似的扩展点的存在，看到Microsoft.Common.targets。 
<目标名称=BeforeBuild> 
< /目标> 
<目标名称=AfterBuild> 
< /目标> 
  - > 
< /项目> 
  

解决方案

看来，< ; DefineConstants> 元素只存在下的调试配置<的PropertyGroup> ，这意味着当你构建的释放，将不会生效。做最好的事情是添加你的财产在一个单独的无条件属性组。所以，闭幕后的第三个<的PropertyGroup> 项目中的元素中，添加以下内容：

 <&的PropertyGroup GT; 
< DefineConstants条件='$（TargetFrameworkVersion）'=='V3.5'> $（DefineConstants）; NET_3_5< / DefineConstants> 
< /&的PropertyGroup GT; 
  

这将确保在你的新定义常量调试/释放常数被保留下来。

I need to be able to do this in my code:

#if NET_3_5
// .net 3.5 only code
#else
// non .net 3.5 code
#endif

Based on this, I tried adding this to my csproj file, but it didn't help:

<DefineConstants Condition=" '$(TargetFrameworkVersion)' == 'v3.5' ">NET_3_5</DefineConstants>

update

Here's the project file:

    <?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
 <PropertyGroup>
    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
    <ProductVersion>8.0.30703</ProductVersion>
    <SchemaVersion>2.0</SchemaVersion>
    <ProjectGuid>{FAA16900-38B9-4891-86C3-F595DA1FA6F7}</ProjectGuid>
    <OutputType>Library</OutputType>
    <AppDesignerFolder>Properties</AppDesignerFolder>
    <RootNamespace>RavenLinqpadDriver</RootNamespace>
    <AssemblyName>RavenLinqpadDriver</AssemblyName>
    <TargetFrameworkVersion>v3.5</TargetFrameworkVersion>
    <FileAlignment>512</FileAlignment>
    <TargetFrameworkProfile />
  </PropertyGroup>
  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
    <DebugSymbols>true</DebugSymbols>
    <DebugType>full</DebugType>
    <Optimize>false</Optimize>
    <OutputPath>bin\Debug\</OutputPath>
    <DefineConstants>DEBUG;TRACE</DefineConstants>
    <DefineConstants Condition=" '$(TargetFrameworkVersion)' == 'v3.5' ">NET_3_5</DefineConstants>
    <ErrorReport>prompt</ErrorReport>
    <WarningLevel>4</WarningLevel>
  </PropertyGroup>
  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
    <DebugType>pdbonly</DebugType>
    <Optimize>true</Optimize>
    <OutputPath>bin\Release\</OutputPath>
    <DefineConstants>TRACE</DefineConstants>
    <ErrorReport>prompt</ErrorReport>
    <WarningLevel>4</WarningLevel>
  </PropertyGroup>
  <PropertyGroup>
    <SignAssembly>true</SignAssembly>
  </PropertyGroup>
  <PropertyGroup>
    <AssemblyOriginatorKeyFile>RavenLinqpadDriverStrongNameKey.pfx</AssemblyOriginatorKeyFile>
  </PropertyGroup>
  <ItemGroup>
    <Reference Include="GalaSoft.MvvmLight">
      <HintPath>..\packages\MvvmLight.3.0.3\lib\net35\GalaSoft.MvvmLight.dll</HintPath>
    </Reference>
    <Reference Include="GalaSoft.MvvmLight.Extras">
      <HintPath>..\packages\MvvmLight.3.0.3\lib\net35\GalaSoft.MvvmLight.Extras.dll</HintPath>
    </Reference>
    <Reference Include="LINQPad">
      <HintPath>..\lib\LINQPad.exe</HintPath>
      <Private>False</Private>
    </Reference>
    <Reference Include="Newtonsoft.Json.Net35">
      <HintPath>..\lib\Newtonsoft.Json.Net35.dll</HintPath>
    </Reference>
    <Reference Include="PresentationCore" />
    <Reference Include="PresentationFramework" />
    <Reference Include="Raven.Client.Lightweight-3.5">
      <HintPath>..\lib\Raven.Client.Lightweight-3.5.dll</HintPath>
    </Reference>
    <Reference Include="System" />
    <Reference Include="System.ComponentModel.DataAnnotations" />
    <Reference Include="System.Core" />
    <Reference Include="System.Windows.Interactivity, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
      <HintPath>..\packages\MvvmLight.3.0.3\lib\net35\System.Windows.Interactivity.dll</HintPath>
    </Reference>
    <Reference Include="System.Xml.Linq" />
    <Reference Include="System.Data.DataSetExtensions" />
    <Reference Include="System.Data" />
    <Reference Include="System.Xml" />
    <Reference Include="WindowsBase" />
  </ItemGroup>
  <ItemGroup>
    <Compile Include="GuidValueConverter.cs" />
    <Compile Include="RavenDriver.cs" />
    <Compile Include="Properties\AssemblyInfo.cs" />
    <Compile Include="RavenConectionDialog.xaml.cs">
      <DependentUpon>RavenConectionDialog.xaml</DependentUpon>
    </Compile>
    <Compile Include="RavenConnectionInfo.cs" />
    <Compile Include="RavenContext.cs" />
    <Compile Include="Utility.cs" />
  </ItemGroup>
  <ItemGroup>
    <None Include="packages.config" />
    <None Include="RavenLinqpadDriverStrongNameKey.pfx" />
  </ItemGroup>
  <ItemGroup>
    <Content Include="header.xml">
      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
    </Content>
  </ItemGroup>
  <ItemGroup>
    <Page Include="RavenConectionDialog.xaml">
      <SubType>Designer</SubType>
      <Generator>MSBuild:Compile</Generator>
    </Page>
  </ItemGroup>
  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
  <PropertyGroup>
    <PostBuildEvent>
    </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">
  </Target>
  <Target Name="AfterBuild">
  </Target>
  -->
</Project>

解决方案

It appears that the <DefineConstants> element exists only under the Debug configuration <PropertyGroup>, which means that it would not take effect when you are building release. The best thing to do would be to add your property in a separate unconditional property group. So, after the closing of the third <PropertyGroup> element in your project, add the following:

<PropertyGroup>
   <DefineConstants Condition=" '$(TargetFrameworkVersion)' == 'v3.5' ">$(DefineConstants);NET_3_5</DefineConstants> 
</PropertyGroup>

This will ensure that the debug/release constants are preserved while your new constant is defined.

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