| 解决方案Sln文件 | 工程文件csproj文件 | |
| VS2005 | Microsoft Visual Studio Solution File, Format Version 9.00 # Visual Studio 2005 | <Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003"> |
| VS2008 | Microsoft Visual Studio Solution File, Format Version 10.00 # Visual Studio 2008 | <Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003" ToolsVersion="3.5"> |
| VS2010 | Microsoft Visual Studio Solution File, Format Version 11.00 # Visual Studio 2010 | <Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003" ToolsVersion="4.0"> |
来源：http://www.cnblogs.com/bluesky4485/archive/2010/08/08/1795254.html
