xHarbour Reference Documentation > Function Reference

Os_VersionInfo()

Retrieves specific version information about the operating system.

Syntax

Os_VersionInfo() --> aVersionInfo

Return

The function returns a one-dimensional array with five elements holding version information data of the operating system. If the operating system does not provide version information, the return value is NIL.

Description

The elements of the returned array contain the following data

Version information array

Element	Description
1	Major version number
	3 = Windows NT 3.51
	4 = Windows 95, 98, ME or NT 4.0
	5 = Windows 2000, XP, 2003 Server
2	Minor version number
	0 = Windows 95
	10 = Windows 98
	90 = Windows Me
	51 = Windows NT 3.51
	0 = Windows NT 4.0
	0 = Windows 2000
	1 = Windows XP
	2 = Windows Server 2000
3	Build number of the operating system
4	Platform identifier
	0 = VER_PLATFORM_WIN32s
	1 = VER_PLATFORM_WIN32_WINDOWS
	2 = VER_PLATFORM_WIN32_NT
5	Service Pack number or additional information about the OS

Info

See also:	HB_BuildInfo(), Os(), Os_IsWinNT(), Os_IsWin9X(), Os_IsWin95(), Os_IsWin98(), Os_IsWinME(), Os_IsWinNT351(), Os_IsWinNT4(), Os_IsWinXP(), Os_IsWin2000(), Os_IsWin2003(), Os_IsWtsClient(), Version()
Category:	Environment functions , xHarbour extensions
Source:	rtl\winos.prg
LIB:	xhbdll.lib
DLL:	xhbdll.dll

Example

// The example lists the version information of the operating system

   PROCEDURE Main
      AEval( OS_VersionInfo(),  {|x| QOut(x)} )
   RETURN