Format Version(解决方案文件版本)和VS版本的对应关系：
-Visual Studio 2005 - Format Version 9.00
-Visual Studio 2008 - Format Version 10.00
-Visual Studio 2010 - Format Version 11.00
-Visual Studio 2012 - Format Version 12.00
-Visual Studio 2013 - Format Version 12.00
-Visual Studio 2015 - Format Version 12.00
ToolsVersion(.Net Framework版本)与VS版本的对应关系：
Reference: https://msdn.microsoft.com/zh-cn/library/bb383796.aspx
-Visual Studio 2008 - ToolsVersion 3.5
-Visual Studio 2010 - ToolsVersion 4.0
-Visual Studio 2012 - ToolsVersion 4.0
-Visual Studio 2013 - ToolsVersion 12.00
-Visual Studio 2015 - ToolsVersion 14.00
工具集版本号与VS版本的对应关系：
-Visual Studio 2015: V140
-Visual Studio 2013: V120
-Visual Studio 2012: V110
-Visual Studio 2010: V100
-Visual Studio 2008: V90
-Visual Studio 2005: V80
-Visual Studio 2003: V71
-Visual Studio 2002: V70
-Visual Studio 6: V60