vs Low version When you open a project that is created in a high version, you are prompted to "the selected file is a solution file but was created with a newer version of this application and cannot be opened"
Workaround:
WordPad Open Solution sln file
Change it to the VS version you're using now to open it.
VS2010 instead:
Microsoft Visual Studio Solution File, Format Version 11.00 # Visual Studio 2010
VS2008 instead:
Microsoft Visual Studio Solution File, Format Version 10.00
# Visual Studio 2008
Use Notepad to open and delete the two statements with v110 tags.
<PlatformToolset>v110</PlatformToolset>
Now it's ready.
Only the first one can be ported to VS2010, but cannot be compiled, only the second project file can be modified.
Now you can write the program on this excellent IDE VS2012, and finally transplanted to VS2010 by the above method.
How to open a VS2012 project in VS2010