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1. 關於
今天使用cmake需要判斷_MSC_VER的值是多少，額，官網查了下，還真不少
2. 查看
用下面的代碼可以輸出宏_MSC_VER的值
#pragma once
#include <iostream>
using namespace std;
int main(int argc, char *argv[])
{
cout << "_MSC_VER = " << _MSC_VER << endl;
system("pause");
return 0;
}
3. value
截至目前：16/09/2020, _MSC_VER的值如下
| Visual Studio version | _MSC_VER的值 |
|---|---|
| Visual Studio 6.0 | 1200 |
| Visual Studio .NET 2002 (7.0) | 1300 |
| Visual Studio .NET 2003 (7.1) | 1310 |
| Visual Studio 2005 (8.0) | 1400 |
| Visual Studio 2008 (9.0) | 1500 |
| Visual Studio 2010 (10.0) | 1600 |
| Visual Studio 2012 (11.0) | 1700 |
| Visual Studio 2013 (12.0) | 1800 |
| Visual Studio 2015 (14.0) | 1900 |
| Visual Studio 2017 RTW (15.0) | 1910 |
| Visual Studio 2017 version 15.3 | 1911 |
| Visual Studio 2017 version 15.5 | 1912 |
| Visual Studio 2017 version 15.6 | 1913 |
| Visual Studio 2017 version 15.7 | 1914 |
| Visual Studio 2017 version 15.8 | 1915 |
| Visual Studio 2017 version 15.9 | 1916 |
| Visual Studio 2019 RTW (16.0) | 1920 |
| Visual Studio 2019 version 16.1 | 1921 |
| Visual Studio 2019 version 16.2 | 1922 |
| Visual Studio 2019 version 16.3 | 1923 |
| Visual Studio 2019 version 16.4 | 1924 |
| Visual Studio 2019 version 16.5 | 1925 |
| Visual Studio 2019 version 16.6 | 1926 |
| Visual Studio 2019 version 16.7 | 1927 |
| Visual Studio 2019 version 16.8 | 1928 |