考虑这种情况，您可以在调试模式下创建一个包含2个项目A和B的解决方案（C＃代码）。一切都很好，你想在发布模式下检查它，所以你切换到它，一旦你这样做，Visual Studio显示警告（对我来说随机）项目“B”无法加载。
我在解决方案解决后看到此行为解决方案。我必须卸载那些“失败”的项目并重新加载它们。它有效。然而，这完全是奇怪的，而且更糟糕 - 耗时。
这是什么原因？我在问，因为也许我可以系统地修复它。
更新
当我切换回一秒前工作的模式时，它再次无法加载某些项目（与之前相同）。所以简而言之，只有最后一个构建模式有效，当我切换到另一个时，我的项目失败了。
sln文件（3个项目）：
Microsoft Visual Studio Solution File, Format Version 12.00
# Visual Studio 14
VisualStudioVersion = 14.0.25420.1
MinimumVisualStudioVersion = 10.0.40219.1
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Tools", "Tools\Tools.csproj", "{39AF8EA1-93D1-46FF-A00E-DD5303B29C92}"
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Wpf.Tools", "Wpf.Tools\Wpf.Tools.csproj", "{B855F797-84A2-4CA5-9F24-0EAA34016359}"
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Wpf.Controls", "Wpf.Controls\Wpf.Controls.csproj", "{E93AE909-EE0B-4948-9C1B-D5546FECEFCB}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Any CPU = Debug|Any CPU
Release|Any CPU = Release|Any CPU
EndGlobalSection
GlobalSection(ProjectConfigurationPlatforms) = postSolution
{39AF8EA1-93D1-46FF-A00E-DD5303B29C92}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{39AF8EA1-93D1-46FF-A00E-DD5303B29C92}.Debug|Any CPU.Build.0 = Debug|Any CPU
{39AF8EA1-93D1-46FF-A00E-DD5303B29C92}.Release|Any CPU.ActiveCfg = Release|Any CPU
{39AF8EA1-93D1-46FF-A00E-DD5303B29C92}.Release|Any CPU.Build.0 = Release|Any CPU
{B855F797-84A2-4CA5-9F24-0EAA34016359}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{B855F797-84A2-4CA5-9F24-0EAA34016359}.Debug|Any CPU.Build.0 = Debug|Any CPU
{B855F797-84A2-4CA5-9F24-0EAA34016359}.Release|Any CPU.ActiveCfg = Release|Any CPU
{B855F797-84A2-4CA5-9F24-0EAA34016359}.Release|Any CPU.Build.0 = Release|Any CPU
{E93AE909-EE0B-4948-9C1B-D5546FECEFCB}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{E93AE909-EE0B-4948-9C1B-D5546FECEFCB}.Debug|Any CPU.Build.0 = Debug|Any CPU
{E93AE909-EE0B-4948-9C1B-D5546FECEFCB}.Release|Any CPU.ActiveCfg = Release|Any CPU
{E93AE909-EE0B-4948-9C1B-D5546FECEFCB}.Release|Any CPU.Build.0 = Release|Any CPU
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE
EndGlobalSection
EndGlobal
其中一个csproj
<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="14.0" 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>{39AF8EA1-93D1-46FF-A00E-DD5303B29C92}</ProjectGuid>
<OutputType>Library</OutputType>
<AppDesignerFolder>Properties</AppDesignerFolder>
<RootNamespace>Tools</RootNamespace>
<AssemblyName>Tools</AssemblyName>
<TargetFrameworkVersion>v4.5.1</TargetFrameworkVersion>
<FileAlignment>512</FileAlignment>
<SccProjectName>SAK</SccProjectName>
<SccLocalPath>SAK</SccLocalPath>
<SccAuxPath>SAK</SccAuxPath>
<SccProvider>SAK</SccProvider>
<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>
<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>
<ItemGroup>
<Reference Include="System" />
<Reference Include="System.Core" />
<Reference Include="System.Reactive.Core, Version=3.0.0.0, Culture=neutral, PublicKeyToken=94bc3704cddfc263, processorArchitecture=MSIL">
<HintPath>..\packages\System.Reactive.Core.3.0.0\lib\net45\System.Reactive.Core.dll</HintPath>
<Private>True</Private>
</Reference>
<Reference Include="System.Reactive.Interfaces, Version=3.0.0.0, Culture=neutral, PublicKeyToken=94bc3704cddfc263, processorArchitecture=MSIL">
<HintPath>..\packages\System.Reactive.Interfaces.3.0.0\lib\net45\System.Reactive.Interfaces.dll</HintPath>
<Private>True</Private>
</Reference>
<Reference Include="System.Reactive.Linq, Version=3.0.0.0, Culture=neutral, PublicKeyToken=94bc3704cddfc263, processorArchitecture=MSIL">
<HintPath>..\packages\System.Reactive.Linq.3.0.0\lib\net45\System.Reactive.Linq.dll</HintPath>
<Private>True</Private>
</Reference>
<Reference Include="System.Reactive.PlatformServices, Version=3.0.0.0, Culture=neutral, PublicKeyToken=94bc3704cddfc263, processorArchitecture=MSIL">
<HintPath>..\packages\System.Reactive.PlatformServices.3.0.0\lib\net45\System.Reactive.PlatformServices.dll</HintPath>
<Private>True</Private>
</Reference>
<Reference Include="System.Windows" />
<Reference Include="System.Xml.Linq" />
<Reference Include="System.Data.DataSetExtensions" />
<Reference Include="Microsoft.CSharp" />
<Reference Include="System.Data" />
<Reference Include="System.Net.Http" />
<Reference Include="System.Xml" />
<Reference Include="WindowsBase" />
</ItemGroup>
<ItemGroup>
<Compile Include="LogHelper.cs" />
</ItemGroup>
<ItemGroup>
<None Include="app.config" />
<None Include="packages.config" />
</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>