SYSINFO

SYSINFO.bIntel

If TRUE, the processor is Intel.

SYSINFO.bIsWow64

If the setup is running on a 64-bit platform, this value is non-zero.

SYSINFO.bShellExplorer

If TRUE, the shell is Explorer.

SYSINFO.nISOSL

Value indicates the operating system of the target machine. Possible values are the following:

SYSINFO.nOSMajor

Value indicates operating system's major version number.

SYSINFO.nOSMinor

Value indicates operating system's major version number.

SYSINFO.nOSProductType

Value indicates the wProductType of the Windows OSVERSIONINFOEX structure as defined for the current platform. Possible values are the following:

You can also #define and test for any other constant supported by wProduct Type. The OSVERSIONINFOEX structure is documented at http://msdn.microsoft.com/library/en-us/sysinfo/base/osversioninfoex_str.asp.

SYSINFO.nOSSuiteMask

Value indicates the wSuitesMask of the Windows OSVERSIONINFOEX structure as defined for the current platform. Possible values are the following:

You can also #define and test for any other constant supported by wSuiteMask. The OSVERSIONINFOEX structure is documented at http://msdn.microsoft.com/library/en-us/sysinfo/base/osversioninfoex_str.asp.

SYSINFO.nSuites

A combination of one or more bit flags that indicate the suite(s) on the target machine. Possible bit flags are the following:

To check whether a bit flag is set, use the bitwise AND (&) operator as in the following example:

if (SYSINFO.nSuites & ISOS_ST_XP_HOME) then

    /* Perform operations that are

    specific to Windows XP Home Edition. */

endif;

Because of Windows limitations, suites can be detected on only Windows NT 4 SP 6 and later, Windows 2000, and Windows XP and later.

The suites listed here are those that can be specified in the Windows API's OSVERSIONINFOEX data structure (as documented at http://msdn.microsoft.com/library/en-us/sysinfo/base/osversioninfoex_str.asp).

SYSINFO.nSystemDefaultUILangID

Value indicates the installed operating system language's ID.

SYSINFO.nSystemLangID

Value indicates the system language's ID.

SYSINFO.nUserLangID

Value indicates the user language's ID.

SYSINFO.nWinMajor

Value indicates Windows major version number.

SYSINFO.nWinMinor

Value indicates Windows minor version number.

SYSINFO.szInstalledIEVersion

Value indicates the Internet Explorer version on the system. This member is supported for versions 4 and later. If the version installed is prior to 4, the value will be “”.

Do not rely on the fact that this value is “” for versions previous to 4. Instead, test specifically for 4 or later, as in the future this member variable could support detecting IE versions earlier than 4.

SYSINFO.WIN9X.bWin9X

If this member is TRUE, the operating system is Windows 95, 98, or Millennium Edition.

SYSINFO.WIN9X.bWin95

If this member is TRUE, the operating system is Windows 95.

SYSINFO.WIN9X.bWin98

If this member is TRUE, the operating system is Windows 98.

SYSINFO.WIN9X.bWinMe

If this member is TRUE, the operating system is Windows ME (Millennium Edition).

SYSINFO.WIN9X.bSubversion_A

If this member is TRUE, the operating system is Windows 95 or 98 Subversion A.

Early versions of Windows 95 did not include subversion information. For these operating systems, SYSINFO.WIN9X.bWin95 is non-zero but no SYSINFO.WIN9X.bSubversion_n member is non-zero; in such a case, the operating system is Windows 95 Subversion A.

SYSINFO.WIN9X.bSubversion_B

If this member is TRUE, the operating system is Windows 95 or 98 Subversion B.

SYSINFO.WIN9X.bSubversion_C

If this member is TRUE, the operating system is Windows 95 or 98 Subversion C.

SYSINFO.WIN9X.bVersionNotFound

If this member is TRUE, the operating system subversion was not found for Windows 95 or 98.

SYSINFO.WINNT.bAdmin_Logged_On

If this member is TRUE, the end user is logged on under NT with administator rights.

SYSINFO.WINNT.bPowerUser_Logged_On

If the target operating system is Windows 2000, Windows XP, or later, indicates whether the current user belong to the power user group. In an installation running under Windows NT 4, this value is always FALSE, since Windows NT 4 does not support power users. In an installation running under Windows 95, 98, or Me, this value is always TRUE.

SYSINFO.WINNT.bWinNT

If this member is TRUE, the operating system is Windows NT (includes Windows 2000 and Windows XP).

SYSINFO.WINNT.bWinNT4

If this member is TRUE, the operating system is Windows NT 4.0.

SYSINFO.WINNT.bWinVista

If this member is TRUE, the operating system is Windows Vista or Windows Server “Longhorn.”

To distinguish between Windows Server “Longhorn” and Windows Vista, check whether SYSINFO.nOSProductType is equal to VER_NT_WORKSTATION; for Windows Vista, this is TRUE; for Windows Server “Longhorn,” it is FALSE.

SYSINFO.WINNT.bWinXP

If this member is TRUE, the operating system is Windows XP.

SYSINFO.WINNT.bWin2000

If this member is TRUE, the operating system is Windows 2000.

SYSINFO.WINNT.bWinServer2003

If this member is TRUE, the operating system is Windows Server 2003.

SYSINFO.WINNT.nServicePack

The number of the installed service pack on Windows NT, 2000, Windows XP, Windows Server 2003, and any other future operating system (that is, Windows NT 4.0 and later).

Note that for Windows 2000 and later, the installation obtains this information by calling the Windows API GerVersionEx and reading the nServicePackMajor value.

On systems with platforms earlier than Windows 2000, the installation obtains this information from the appropriate service pack registry location.