在的.sln 文件表示的意的版本早之一行 - 例如：

The .sln file indicates the intended version as one of the early lines - for example:

Microsoft Visual Studio Solution File, Format Version 12.00
# Visual Studio 2013

或

Microsoft Visual Studio Solution File, Format Version 12.00
# Visual Studio 2012

但是 - 它只能利用这一点，如果对的.sln 文件的默认应用程序是微软的Visual Studio版本选择器。这并非罕见的默认的.sln 应用程序是一个具体的版本代替。在Windows 8：

However - it can only make use of this if the default application for .sln files is the "Microsoft Visual Studio Version Selector". It is not uncommon for the default .sln application to be a specific version instead. In windows 8:

您可以告诉这是默认的，因为它说：继续使用：

you can tell which is the default because it says "keep using":