Get Windows version: Difference between revisions
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[[{{ns:14}}:Other Products Version Detection Functions]] | |||
Revision as of 20:45, 30 April 2005
| Author: sunjammer (talk, contrib) |
Description
This function gets which Microsoft Windows product the user uses.
The Script
; GetWindowsVersion ; ; Based on Yazno's function, http://yazno.tripod.com/powerpimpit/ ; Updated by Joost Verburg ; ; Returns on top of stack ; ; Windows Version (95, 98, ME, NT x.x, 2000, XP, 2003) ; or ; '' (Unknown Windows Version) ; ; Usage: ; Call GetWindowsVersion ; Pop $R0 ; ; at this point $R0 is "NT 4.0" or whatnot Function GetWindowsVersion Push $R0 Push $R1 ClearErrors ReadRegStr $R0 HKLM \ "SOFTWARE\Microsoft\Windows NT\CurrentVersion" CurrentVersion IfErrors 0 lbl_winnt ; we are not NT ReadRegStr $R0 HKLM \ "SOFTWARE\Microsoft\Windows\CurrentVersion" VersionNumber StrCpy $R1 $R0 1 StrCmp $R1 '4' 0 lbl_error StrCpy $R1 $R0 3 StrCmp $R1 '4.0' lbl_win32_95 StrCmp $R1 '4.9' lbl_win32_ME lbl_win32_98 lbl_win32_95: StrCpy $R0 '95' Goto lbl_done lbl_win32_98: StrCpy $R0 '98' Goto lbl_done lbl_win32_ME: StrCpy $R0 'ME' Goto lbl_done lbl_winnt: StrCpy $R1 $R0 1 StrCmp $R1 '3' lbl_winnt_x StrCmp $R1 '4' lbl_winnt_x StrCpy $R1 $R0 3 StrCmp $R1 '5.0' lbl_winnt_2000 StrCmp $R1 '5.1' lbl_winnt_XP StrCmp $R1 '5.2' lbl_winnt_2003 lbl_error lbl_winnt_x: StrCpy $R0 "NT $R0" 6 Goto lbl_done lbl_winnt_2000: Strcpy $R0 '2000' Goto lbl_done lbl_winnt_XP: Strcpy $R0 'XP' Goto lbl_done lbl_winnt_2003: Strcpy $R0 '2003' Goto lbl_done lbl_error: Strcpy $R0 '' lbl_done: Pop $R1 Exch $R0 FunctionEnd
