_WIN32_WINNT 值定义
//
// _WIN32_WINNT version constants
//
#define _WIN32_WINNT_NT4 0x0400 // Windows NT 4.0
#define _WIN32_WINNT_WIN2K 0x0500 // Windows 2000
#define _WIN32_WINNT_WINXP 0x0501 // Windows XP
#define _WIN32_WINNT_WS03 0x0502 // Windows Server 2003
#define _WIN32_WINNT_WIN6 0x0600 // Windows Vista
#define _WIN32_WINNT_VISTA 0x0600 // Windows Vista
#define _WIN32_WINNT_WS08 0x0600 // Windows Server 2008
#define _WIN32_WINNT_LONGHORN 0x0600 // Windows Vista
#define _WIN32_WINNT_WIN7 0x0601 // Windows 7
#define _WIN32_WINNT_WIN8 0x0602 // Windows 8
#define _WIN32_WINNT_WINBLUE 0x0603 // Windows 8.1
#define _WIN32_WINNT_WINTHRESHOLD 0x0A00 // Windows 10
#define _WIN32_WINNT_WIN10 0x0A00 // Windows 10
reference links:
https://docs.microsoft.com/zh-cn/cpp/porting/modifying-winver-and-win32-winnt?view=msvc-160&viewFallbackFrom=vs-2017
https://docs.microsoft.com/zh-cn/windows/release-information/