windows版本號常數 _WIN32_WINNT

編譯一個工程發現好多函數找不到定義，後面發現是windows版本設置不對。高版本的函數在很多條件編譯下都被註釋掉了。只需要在預處理設置平臺正確的版本號即可。eg. 下圖表示當前的版本是win10

 

//
// _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

//
// NTDDI version constants
//
#define NTDDI_WIN7                          0x06010000
#define NTDDI_WIN8                          0x06020000
#define NTDDI_WINBLUE                       0x06030000
#define NTDDI_WINTHRESHOLD                  0x0A000000  /* ABRACADABRA_THRESHOLD */
#define NTDDI_WIN10                         0x0A000000  /* ABRACADABRA_THRESHOLD */
#define NTDDI_WIN10_TH2                     0x0A000001  /* ABRACADABRA_WIN10_TH2 */
#define NTDDI_WIN10_RS1                     0x0A000002  /* ABRACADABRA_WIN10_RS1 */
#define NTDDI_WIN10_RS2                     0x0A000003  /* ABRACADABRA_WIN10_RS2 */
#define NTDDI_WIN10_RS3                     0x0A000004  /* ABRACADABRA_WIN10_RS3 */
#define NTDDI_WIN10_RS4                     0x0A000005  /* ABRACADABRA_WIN10_RS4 */
#define NTDDI_WIN10_RS5                     0x0A000006  /* ABRACADABRA_WIN10_RS5 */
#define NTDDI_WIN10_19H1                    0x0A000007  /* ABRACADABRA_WIN10_19H1*/

#define WDK_NTDDI_VERSION                   NTDDI_WIN10_19H1 /* ABRACADABRA_WIN10_19H1 */

//
// masks for version macros
//
#define OSVERSION_MASK      0xFFFF0000
#define SPVERSION_MASK      0x0000FF00
#define SUBVERSION_MASK     0x000000FF

//
// macros to extract various version fields from the NTDDI version
//
#define OSVER(Version)  ((Version) & OSVERSION_MASK)
#define SPVER(Version)  (((Version) & SPVERSION_MASK) >> 8)
#define SUBVER(Version) (((Version) & SUBVERSION_MASK) )

參考鏈接：

https://docs.microsoft.com/en-us/cpp/porting/modifying-winver-and-win32-winnt?redirectedfrom=MSDN&view=vs-2019