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function GetWindowsVersion: string;
type
TGNSI = procedure(var lpSystemInfo: TSystemInfo); stdcall;
TGPI = function(dwOSMajorVersion, dwOSMinorVersion, dwSpMajorVersion,
dwSpMinorVersion: DWORD; var pdwReturnedProductType: DWORD): BOOL; stdcall;
_OSVERSIONINFOEX = record
dwOSVersionInfoSize: DWORD;
dwMajorVersion: DWORD;
dwMinorVersion: DWORD;
dwBuildNumber: DWORD;
dwPlatformId: DWORD;
szCSDVersion: array [0 .. 127] of AnsiChar;
wServicePackMajor: WORD;
wServicePackMinor: WORD;
wSuiteMask: WORD;
wProductType: BYTE;
wReserved: BYTE;
end;
const
// wSuiteMask
VER_SUITE_SMALLBUSINESS = $1;
VER_SUITE_ENTERPRISE = $2;
VER_SUITE_BACKOFFICE = $4;
VER_SUITE_COMMUNICATIONS = $8;
VER_SUITE_TERMINAL = $10;
VER_SUITE_SMALLBUSINESS_RESTRICTED = $20;
VER_SUITE_EMBEDDEDNT = $40;
VER_SUITE_DATACENTER = $80;
VER_SUITE_SINGLEUSERTS = $100;
VER_SUITE_PERSONAL = $200;
VER_SUITE_BLADE = $400;
VER_SUITE_WH_SERVER = $800;
VER_SUITE_STORAGE_SERVER = $2000;
VER_SUITE_COMPUTE_SERVER = $4000;
// wProductType
VER_NT_WORKSTATION = $1;
VER_NT_DOMAIN_CONTROLLER = $2;
VER_NT_SERVER = $3;
PRODUCT_BUSINESS = $6; // Business
PRODUCT_BUSINESS_N = $10; // Business N
PRODUCT_CLUSTER_SERVER = $12; // HPC Edition
PRODUCT_DATACENTER_SERVER = $8; // Server Datacenter (full installation)
PRODUCT_DATACENTER_SERVER_CORE = $C; // Server Datacenter (core installation)
PRODUCT_DATACENTER_SERVER_CORE_V = $27;
// Server Datacenter without Hyper-V (core installation)
PRODUCT_DATACENTER_SERVER_V = $25;
// Server Datacenter without Hyper-V (full installation)
PRODUCT_ENTERPRISE = $4; // Enterprise
PRODUCT_ENTERPRISE_N = $1B; // Enterprise N
PRODUCT_ENTERPRISE_SERVER = $A; // Server Enterprise (full installation)
PRODUCT_ENTERPRISE_SERVER_CORE = $E; // Server Enterprise (core installation)
PRODUCT_ENTERPRISE_SERVER_CORE_V = $29;
// Server Enterprise without Hyper-V (core installation)
PRODUCT_ENTERPRISE_SERVER_IA64 = $F;
// Server Enterprise for Itanium-based Systems
PRODUCT_ENTERPRISE_SERVER_V = $26;
// Server Enterprise without Hyper-V (full installation)
PRODUCT_HOME_BASIC = $2; // Home Basic
PRODUCT_HOME_BASIC_N = $5; // Home Basic N
PRODUCT_HOME_PREMIUM = $3; // Home Premium
PRODUCT_HOME_PREMIUM_N = $1A; // Home Premium N
PRODUCT_HYPERV = $2A; // Server Hyper-V
PRODUCT_MEDIUMBUSINESS_SERVER_MANAGEMENT = $1E;
// Windows Essential Business Server Management Server
PRODUCT_MEDIUMBUSINESS_SERVER_MESSAGING = $20;
// Windows Essential Business Server Messaging Server
PRODUCT_MEDIUMBUSINESS_SERVER_SECURITY = $1F;
// Windows Essential Business Server Security Server
PRODUCT_SERVER_FOR_SMALLBUSINESS = $18;
// Windows Server 2008 for Windows Essential Server Solutions
PRODUCT_SERVER_FOR_SMALLBUSINESS_V = $23;
// Windows Server 2008 without Hyper-V for Windows Essential Server Solutions
PRODUCT_SMALLBUSINESS_SERVER = $9; // Windows Small Business Server
PRODUCT_SMALLBUSINESS_SERVER_PREMIUM = $19;
PRODUCT_STANDARD_SERVER = $7; // Server Standard (full installation)
PRODUCT_STANDARD_SERVER_CORE = $D; // Server Standard (core installation)
PRODUCT_STANDARD_SERVER_CORE_V = $28;
// Server Standard without Hyper-V (core installation)
PRODUCT_STANDARD_SERVER_V = $24;
// Server Standard without Hyper-V (full installation)
PRODUCT_STARTER = $B; // Starter
PRODUCT_STORAGE_ENTERPRISE_SERVER = $17; // Storage Server Enterprise
PRODUCT_STORAGE_EXPRESS_SERVER = $14; // Storage Server Express
PRODUCT_STORAGE_STANDARD_SERVER = $15; // Storage Server Standard
PRODUCT_STORAGE_WORKGROUP_SERVER = $16; // Storage Server Workgroup
PRODUCT_UNDEFINED = $0; // An unknown product
PRODUCT_ULTIMATE = $1; // Ultimate
PRODUCT_ULTIMATE_N = $1C; // Ultimate N
PRODUCT_WEB_SERVER = $11; // Web Server (full installation)
PRODUCT_WEB_SERVER_CORE = $1D; // Web Server (core installation)
SM_SERVERR2 = 89;
PROCESSOR_ARCHITECTURE_INTEL = 0;
PROCESSOR_ARCHITECTURE_IA64 = 6;
PROCESSOR_ARCHITECTURE_AMD64 = 9;
BUFSIZE = 80;
var
OSVERSIONINFOEX: _OSVERSIONINFOEX;
OSVERSIONINFO: _OSVERSIONINFO absolute OSVERSIONINFOEX;
si: SYSTEM_INFO;
pGNSI: TGNSI;
pGPI: TGPI;
bOsVersionInfoEx: Boolean;
hdlKey: HKEY;
lRet: LONGINT;
szProductType: array [0 .. Pred(BUFSIZE)] of Char;
dwBufLen, dwType: DWORD;
begin
Result := '';
// Try calling GetVersionEx using the OSVERSIONINFOEX structure.
// If that fails, try using the OSVERSIONINFO structure.
ZeroMemory(@si, sizeof(SYSTEM_INFO));
ZeroMemory(@OSVERSIONINFO, sizeof(_OSVERSIONINFOEX));
OSVERSIONINFO.dwOSVersionInfoSize := sizeof(_OSVERSIONINFOEX);
bOsVersionInfoEx := GetVersionEx(OSVERSIONINFO);
if not bOsVersionInfoEx then
begin
OSVERSIONINFO.dwOSVersionInfoSize := sizeof(_OSVERSIONINFO);
if not GetVersionEx(OSVERSIONINFO) then
Exit;
end;
// Call GetNativeSystemInfo if supported or GetSystemInfo otherwise.
pGNSI := GetProcAddress(GetModuleHandle('kernel32.dll'),
'GetNativeSystemInfo');
if Assigned(pGNSI) then
pGNSI(si)
else
GetSystemInfo(si);
case OSVERSIONINFO.dwPlatformId of
// Test for the Windows NT product family.
VER_PLATFORM_WIN32_NT:
begin
// Test for the specific product family.
Result := 'Unknown Windows';
if (OSVERSIONINFO.dwMajorVersion = 6) then
begin
case OSVERSIONINFO.dwMinorVersion of
0:
if (OSVERSIONINFOEX.wProductType = VER_NT_WORKSTATION) then
Result := 'Windows Vista'
else
Result := 'Windows Server 2008';
1:
begin
if (OSVERSIONINFOEX.wProductType = VER_NT_WORKSTATION) then
Result := 'Windows Seven'
else
Result := 'Windows Server 2008 R2';
end;
end;
pGPI := GetProcAddress(GetModuleHandle('kernel32.dll'),
'GetProductInfo');
pGPI(6, 0, 0, 0, dwType);
case dwType of
PRODUCT_ULTIMATE:
Result := Result + ' Ultimate Edition';
PRODUCT_HOME_PREMIUM:
Result := Result + ' Home Premium Edition';
PRODUCT_HOME_BASIC:
Result := Result + ' Home Basic Edition';
PRODUCT_ENTERPRISE:
Result := Result + ' Enterprise Edition';
PRODUCT_BUSINESS:
Result := Result + ' Business Edition';
PRODUCT_STARTER:
Result := Result + ' Starter Edition';
PRODUCT_CLUSTER_SERVER:
Result := Result + ' Cluster Server Edition';
PRODUCT_DATACENTER_SERVER:
Result := Result + ' Datacenter Edition';
PRODUCT_DATACENTER_SERVER_CORE:
Result := Result + ' Datacenter Edition (core installation)';
PRODUCT_ENTERPRISE_SERVER:
Result := Result + ' Enterprise Edition';
PRODUCT_ENTERPRISE_SERVER_CORE:
Result := Result + ' Enterprise Edition (core installation)';
PRODUCT_ENTERPRISE_SERVER_IA64:
Result := Result +
' Enterprise Edition for Itanium-based Systems';
PRODUCT_SMALLBUSINESS_SERVER:
Result := Result + ' Small Business Server';
PRODUCT_SMALLBUSINESS_SERVER_PREMIUM:
Result := Result + ' Small Business Server Premium Edition';
PRODUCT_STANDARD_SERVER:
Result := Result + ' Standard Edition';
PRODUCT_STANDARD_SERVER_CORE:
Result := Result + ' Standard Edition (core installation)';
PRODUCT_WEB_SERVER:
Result := Result + ' Web Server Edition';
end;
if (si.wProcessorArchitecture = PROCESSOR_ARCHITECTURE_AMD64) then
Result := Result + ', 64-bit'
else if (si.wProcessorArchitecture =
PROCESSOR_ARCHITECTURE_INTEL) then
Result := Result + ', 32-bit';
end;
if (OSVERSIONINFO.dwMajorVersion = 5) and
(OSVERSIONINFO.dwMinorVersion = 2) then
begin
if (GetSystemMetrics(SM_SERVERR2) <> 0) then
Result := 'Windows Server 2003 R2, '
else if (OSVERSIONINFOEX.wSuiteMask = VER_SUITE_STORAGE_SERVER) then
Result := 'Windows Storage Server 2003'
else if (OSVERSIONINFOEX.wSuiteMask = VER_SUITE_WH_SERVER) then
Result := 'Windows Home Server'
else if (OSVERSIONINFOEX.wProductType = VER_NT_WORKSTATION) and
(si.wProcessorArchitecture = PROCESSOR_ARCHITECTURE_AMD64) then
Result := 'Windows XP Professional x64 Edition'
else
Result := 'Windows Server 2003, ';
// Test for the server type.
if (OSVERSIONINFOEX.wProductType <> VER_NT_WORKSTATION) then
begin
if (si.wProcessorArchitecture = PROCESSOR_ARCHITECTURE_IA64) then
begin
if (OSVERSIONINFOEX.wSuiteMask and VER_SUITE_DATACENTER) <> 0 then
Result := Result +
' Datacenter Edition for Itanium-based Systems'
else if (OSVERSIONINFOEX.wSuiteMask and VER_SUITE_ENTERPRISE)
<> 0 then
Result := Result +
' Enterprise Edition for Itanium-based Systems';
end
else if (si.wProcessorArchitecture =
PROCESSOR_ARCHITECTURE_AMD64) then
begin
if (OSVERSIONINFOEX.wSuiteMask and VER_SUITE_DATACENTER) <> 0 then
Result := Result + ' Datacenter x64 Edition'
else if (OSVERSIONINFOEX.wSuiteMask and VER_SUITE_ENTERPRISE)
<> 0 then
Result := Result + ' Enterprise x64 Edition'
else
Result := Result + ' Standard x64 Edition';
end
else
begin
if (OSVERSIONINFOEX.wSuiteMask and VER_SUITE_COMPUTE_SERVER)
<> 0 then
Result := Result + ' Compute Cluster Edition'
else if (OSVERSIONINFOEX.wSuiteMask and VER_SUITE_DATACENTER)
<> 0 then
Result := Result + ' Datacenter Edition'
else if (OSVERSIONINFOEX.wSuiteMask and VER_SUITE_ENTERPRISE)
<> 0 then
Result := Result + ' Enterprise Edition'
else if (OSVERSIONINFOEX.wSuiteMask and VER_SUITE_BLADE) <> 0 then
Result := Result + ' Web Edition'
else
Result := Result + ' Standard Edition';
end
end;
end;
if (OSVERSIONINFO.dwMajorVersion = 5) and
(OSVERSIONINFO.dwMinorVersion = 1) then
begin
Result := 'Windows XP';
if (OSVERSIONINFOEX.wSuiteMask and VER_SUITE_PERSONAL) <> 0 then
Result := Result + ' Home Edition'
else
Result := Result + ' Professional';
end;
if (OSVERSIONINFO.dwMajorVersion = 5) and
(OSVERSIONINFO.dwMinorVersion = 0) then
begin
Result := 'Windows 2000';
if (OSVERSIONINFOEX.wProductType = VER_NT_WORKSTATION) then
Result := Result + ' Professional'
else
begin
if (OSVERSIONINFOEX.wSuiteMask and VER_SUITE_DATACENTER) <> 0 then
Result := Result + ' Datacenter Server'
else if (OSVERSIONINFOEX.wSuiteMask and VER_SUITE_ENTERPRISE)
<> 0 then
Result := Result + ' Advanced Server'
else
Result := Result + ' Server';
end;
end;
if (OSVERSIONINFO.dwMajorVersion <= 4) then
begin
Result := 'Windows NT';
// Test for specific product on Windows NT 4.0 SP6 and later.
if bOsVersionInfoEx then
begin
// Test for the workstation type.
if (OSVERSIONINFOEX.wProductType = VER_NT_WORKSTATION) and
(si.wProcessorArchitecture <> PROCESSOR_ARCHITECTURE_AMD64) then
Result := Result + ' Workstation 4.0'
// Test for the server type.
else if (OSVERSIONINFOEX.wProductType = VER_NT_SERVER) or
(OSVERSIONINFOEX.wProductType = VER_NT_DOMAIN_CONTROLLER) then
begin
if BOOL(OSVERSIONINFOEX.wSuiteMask and VER_SUITE_ENTERPRISE) then
Result := Result + ' Server 4.0, Enterprise Edition'
else
Result := Result + ' Server';
end
end
else
begin // Test for specific product on Windows NT 4.0 SP5 and earlier
dwBufLen := BUFSIZE;
lRet := RegOpenKeyEx(HKEY_LOCAL_MACHINE,
'SYSTEM\CurrentControlSet\Control\ProductOptions', 0,
KEY_QUERY_VALUE, hdlKey);
if (lRet <> ERROR_SUCCESS) then
Exit;
lRet := RegQueryValueEx(hdlKey, 'ProductType', nil, nil,
@szProductType[1], @dwBufLen);
if ((lRet <> ERROR_SUCCESS) or (dwBufLen > BUFSIZE)) then
Exit;
RegCloseKey(hdlKey);
if (lstrcmpi('WINNT', szProductType) = 0) then
Result := Result + ' Workstation';
if (lstrcmpi('LANMANNT', szProductType) = 0) then
Result := Result + ' Server';
if (lstrcmpi('SERVERNT', szProductType) = 0) then
Result := Result + ' Advanced Server';
Result := Result + Format(' %d.%d', [OSVERSIONINFO.dwMajorVersion,
OSVERSIONINFO.dwMinorVersion]);
end;
end;
// Display service pack (if any) and build number.
if (OSVERSIONINFO.dwMajorVersion = 4) and
(lstrcmpi(OSVERSIONINFO.szCSDVersion, 'Service Pack 6') = 0) then
begin
// Test for SP6 versus SP6a.
lRet := RegOpenKeyEx(HKEY_LOCAL_MACHINE,
'SOFTWARE\Microsoft\Windows NT\CurrentVersion\Hotfix\Q246009', 0,
KEY_QUERY_VALUE, hdlKey);
if (lRet = ERROR_SUCCESS) then
Result := Result + Format(' Service Pack 6a (Build %d)',
[OSVERSIONINFO.dwBuildNumber and $FFFF])
else // Windows NT 4.0 prior to SP6a
Result := Result + Format(' %s (Build %d)',
[OSVERSIONINFO.szCSDVersion,
OSVERSIONINFO.dwBuildNumber and $FFFF]);
RegCloseKey(hdlKey);
end
else
begin
Result := Result + Format(' %s (Build %d)',
[OSVERSIONINFO.szCSDVersion,
OSVERSIONINFO.dwBuildNumber and $FFFF]);
end;
end;
// Test for the Windows 95 product family.
VER_PLATFORM_WIN32_WINDOWS:
begin
if (OSVERSIONINFO.dwMajorVersion = 4) and
(OSVERSIONINFO.dwMinorVersion = 0) then
begin
Result := 'Windows 95';
if (OSVERSIONINFO.szCSDVersion[1] = 'C') or
(OSVERSIONINFO.szCSDVersion[1] = 'B') then
Result := Result + ' OSR2';
end;
if (OSVERSIONINFO.dwMajorVersion = 4) and
(OSVERSIONINFO.dwMinorVersion = 10) then
begin
Result := 'Windows 98';
if (OSVERSIONINFO.szCSDVersion[1] = 'A') then
Result := Result + ' SE';
end;
if (OSVERSIONINFO.dwMajorVersion = 4) and
(OSVERSIONINFO.dwMinorVersion = 90) then
Result := 'Windows ME';
end;
VER_PLATFORM_WIN32s:
Result := 'Windows Win32s';
end;
end; |
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