How Can I Determine the Visual Studio Version During Code Compilation?

How to Detect Visual Studio Version During Code Compilation

In software development, it may be necessary to determine the specific version of Microsoft Visual Studio being used to compile code. This information can be useful for various reasons, such as:

• Ensuring compatibility with specific language features or libraries
• Running code optimizations specific to a particular Visual Studio version
• Identifying potential bugs or issues related to compiler versions

Using Predefined Macros

Microsoft Visual Studio defines several predefined macros that provide information about the compiler version used for compilation. Two commonly used macros are:

• _MSC_VER: This macro contains the major version number of the Visual Studio compiler. For example, _MSC_VER == 1900 for Visual Studio 2015.
• _MSC_FULL_VER: This macro contains the full version number of the Visual Studio compiler, including minor updates and build number.

_MSC_VER and _MSC_FULL_VER Values

The following table lists the values of _MSC_VER and _MSC_FULL_VER for various recent versions of Visual Studio:

Visual Studio Version	_MSC_VER	_MSC_FULL_VER
Visual Studio 2022 version 17.3.4	1933
Visual Studio 2022 version 17.2.2	1932
Visual Studio 2022 version 17.0.2	1930
Visual Studio 2022 version 17.0.1	1930
Visual Studio 2019 version 16.11.2	1929
Visual Studio 2019 version 16.9.2	1928
Visual Studio 2019 version 16.8.2	1928
Visual Studio 2019 version 16.8.1	1928
Visual Studio 2019 version 16.7	1927
Visual Studio 2019 version 16.6.2	1926
Visual Studio 2019 version 16.5.1	1925
Visual Studio 2019 version 16.4	1924
Visual Studio 2019 version 16.3	1923
Visual Studio 2019 version 16.2	1922
Visual Studio 2019 version 16.1	1921
Visual Studio 2019 version 16.0	1920
Visual Studio 2017 version 15.9	1916
Visual Studio 2017 version 15.8	1915
Visual Studio 2017 version 15.7	1914
Visual Studio 2017 version 15.6	1913
Visual Studio 2017 version 15.5	1912
Visual Studio 2017 version 15.3	1911
Visual Studio 2017 version 15.0	1910
Visual Studio 2015 version 14.0	1900
Visual Studio 2013 version 12.0	1800
Visual Studio 2012 version 11.0	1700
Visual Studio 2010 version 10.0	1600
Visual Studio 2008, SP1		150030729
Visual Studio 2008 version 9.0	1500
Visual Studio 2005 version 8.0	1400
Visual Studio .NET 2003 version 7.1	1310
Visual Studio .NET 2002 version 7.0	1300
Visual Studio 6.0 version 6.0	1200
Visual Studio 97 version 5.0	1100

Other Methods

In addition to using the predefined macros, there are other methods to detect the Visual Studio version during compilation:

• Command-line Argument: The cl.exe compiler can provide information about its version through the /? command-line argument. For example, running "cl.exe /?" will display the compiler version on the command line.
• Examine visualc.hpp: The Boost library includes a header file named visualc.hpp, which contains various preprocessor macros that can be used to detect the Visual Studio version.
• Check Registry: The Visual Studio version can be found in the Windows registry under the key "HKLMSOFTWAREMicrosoftVisualStudio".

Conclusion

By using the predefined macros _MSC_VER and _MSC_FULL_VER, or exploring alternative methods such as command-line arguments or registry checks, developers can accurately determine the specific version of Microsoft Visual Studio used during code compilation. This information can enhance development efficiency and ensure compatibility with desired language features or libraries.

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