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x2utils/X2UtOS.pas
2014-04-08 14:38:16 +00:00

364 lines
9.7 KiB
ObjectPascal

{
:: X2UtOS provides a singleton OS object to access properties associated
:: with the Operating System, such as the version number.
:: It is part of the X2Utils suite.
::
:: Last changed: $Date$
:: Revision: $Rev$
:: Author: $Author$
}
unit X2UtOS;
interface
uses
Windows;
type
TOSVersionInfoEx = packed 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;
//:$ Enumeration of the recognized Operating System versions
TX2OSVersion = (osWin95, osWin98, osWinME, osWinNT3, osWinNT4,
osWin2K, osWinXP, osWin2003, osWinVista, osWinServer2008,
osWinServer2008R2, osWin7, osWinServer2012, osWin8,
osWinServer2012R2, osWin81, osUnknown);
//:$ Record to hold the Common Controls version
TX2CCVersion = record
Major: Cardinal;
Minor: Cardinal;
Build: Cardinal;
end;
{
:$ Contains extended version information for the Operating System
}
TX2OSVersionEx = class(TObject)
private
FName: String;
FVersionString: String;
FBuild: Cardinal;
FRawInfo: TOSVersionInfoEx;
public
//:$ Contains the name of the OS
property Name: String read FName write FName;
//:$ Contains a string representation of the OS' version
property VersionString: String read FVersionString write FVersionString;
//:$ Contains the build number of the OS
property Build: Cardinal read FBuild write FBuild;
//:$ Contains the raw version information as provided by the OS
property RawInfo: TOSVersionInfoEx read FRawInfo write FRawInfo;
end;
{
:$ Container for the Operating System's information
}
TX2OS = class(TObject)
private
FCCVersion: TX2CCVersion;
FVersion: TX2OSVersion;
FVersionEx: TX2OSVersionEx;
function GetSupportsUAC: Boolean;
function GetXPManifest: Boolean;
protected
procedure GetVersion; virtual;
procedure GetCCVersion; virtual;
public
constructor Create;
destructor Destroy; override;
//:$ Returns the formatted version information
//:: If Build is False, the return value will not include the
//:: OS' Build number.
function FormatVersion(Build: Boolean = True): String;
//:$ Contains the Common Controls version
property ComCtlVersion: TX2CCVersion read FCCVersion;
//:$ Checks if the OS supports User Account Control
property SupportsUAC: Boolean read GetSupportsUAC;
//:$ Checks if the application uses an XP manifest
//:: If present, Common Controls version 6 or higher is available.
property XPManifest: Boolean read GetXPManifest;
//:$ Contains the detected OS version
property Version: TX2OSVersion read FVersion;
//:$ Contains extended OS version information
property VersionEx: TX2OSVersionEx read FVersionEx;
end;
function OS: TX2OS;
const
{ NT Product types: used by dwProductType field }
VER_NT_WORKSTATION = $0000001;
VER_NT_DOMAIN_CONTROLLER = $0000002;
VER_NT_SERVER = $0000003;
{ NT product suite mask values: used by wSuiteMask field }
VER_SUITE_SMALLBUSINESS = $00000001;
VER_SUITE_ENTERPRISE = $00000002;
VER_SUITE_BACKOFFICE = $00000004;
VER_SUITE_COMMUNICATIONS = $00000008;
VER_SUITE_TERMINAL = $00000010;
VER_SUITE_SMALLBUSINESS_RESTRICTED = $00000020;
VER_SUITE_EMBEDDEDNT = $00000040;
VER_SUITE_DATACENTER = $00000080;
VER_SUITE_SINGLEUSERTS = $00000100;
VER_SUITE_PERSONAL = $00000200;
VER_SUITE_SERVERAPPLIANCE = $00000400;
VER_SUITE_BLADE = VER_SUITE_SERVERAPPLIANCE;
X2OSVersionString: array[TX2OSVersion] of string =
(
'95', '98', 'ME', 'NT 3.51', 'NT 4',
'2000', 'XP', 'Server 2003', 'Vista', 'Server 2008',
'Server 2008 R2', '7', 'Server 2012', '8',
'Server 2012 R2', '8.1', 'Onbekend'
);
implementation
uses
SysUtils;
const
ComCtl32 = 'comctl32.dll';
type
PDllVersionInfo = ^TDllVersionInfo;
TDllVersionInfo = record
cbSize: DWORD;
dwMajorVersion: DWORD;
dwMinorVersion: DWORD;
dwBuildNumber: DWORD;
dwPlatformID: DWORD;
end;
TDllGetVersion = function(pdvi: PDllVersionInfo): HRESULT; stdcall;
var
GOS: TX2OS;
{========================================
Singleton
========================================}
function OS;
begin
if not Assigned(GOS) then
GOS := TX2OS.Create;
Result := GOS;
end;
{================================== TX2OS
Initialization
========================================}
constructor TX2OS.Create;
begin
inherited;
FVersionEx := TX2OSVersionEx.Create;
GetVersion;
GetCCVersion;
end;
destructor TX2OS.Destroy;
begin
FreeAndNil(FVersionEx);
inherited;
end;
{================================== TX2OS
Version
========================================}
procedure TX2OS.GetVersion;
var
versionInfo: TOSVersionInfoEx;
versionInfoPtr: POSVersionInfo;
begin
FVersion := osUnknown;
{ Get version information }
FillChar(versionInfo, SizeOf(versionInfo), 0);
versionInfo.dwOSVersionInfoSize := SizeOf(TOSVersionInfoEx);
versionInfoPtr := @versionInfo;
if not GetVersionEx(versionInfoPtr^) then
begin
{ Maybe this is an older Windows version, not supporting the Ex fields }
versionInfo.dwOSVersionInfoSize := SizeOf(TOSVersionInfo);
if not GetVersionEx(versionInfoPtr^) then
RaiseLastOSError;
end;
with FVersionEx do
begin
{ No Kylix support yet, sorry! }
RawInfo := versionInfo;
Name := 'Windows';
case versionInfo.dwMajorVersion of
3: { Windows NT 3.51 }
FVersion := osWinNT3;
4: { Windows 95/98/ME/NT 4 }
case versionInfo.dwMinorVersion of
0: { Windows 95/NT 4 }
case versionInfo.dwPlatformId of
VER_PLATFORM_WIN32_NT: { Windows NT 4 }
FVersion := osWinNT4;
VER_PLATFORM_WIN32_WINDOWS: { Windows 95 }
FVersion := osWin95;
end;
10: { Windows 98 }
FVersion := osWin98;
90: { Windows ME }
FVersion := osWinME;
end;
5: { Windows 2000/XP/2003 }
case versionInfo.dwMinorVersion of
0: { Windows 2000 }
FVersion := osWin2K;
1: { Windows XP }
FVersion := osWinXP;
2: { Windows Server 2003 }
FVersion := osWin2003;
end;
6: { Windows Vista/Server 2008/7/2012/8 }
if versionInfo.wProductType = VER_NT_WORKSTATION then
begin
case versionInfo.dwMinorVersion of
0: { Windows Vista }
FVersion := osWinVista;
1: { Windows 7 }
FVersion := osWin7;
2: { Windows 8 }
FVersion := osWin8;
3: { Windows 8.1 }
FVersion := osWin81;
end;
end else
begin
case versionInfo.dwMinorVersion of
0: { Windows Server 2008 }
FVersion := osWinServer2008;
1: { Windows Server 2008 R2 }
FVersion := osWinServer2008R2;
2: { Windows Server 2012 }
FVersion := osWinServer2012;
3: { Windows Server 2012 R2 }
FVersion := osWinServer2012R2;
end;
end;
end;
if Version <> osUnknown then
else
VersionString := Format('%d.%d', [versionInfo.dwMajorVersion,
versionInfo.dwMinorVersion]);
if StrLen(versionInfo.szCSDVersion) > 0 then
VersionString := VersionString + ' ' + string(versionInfo.szCSDVersion);
case versionInfo.dwPlatformId of
VER_PLATFORM_WIN32_NT:
Build := versionInfo.dwBuildNumber;
VER_PLATFORM_WIN32_WINDOWS:
Build := LoWord(versionInfo.dwBuildNumber);
end;
end;
end;
procedure TX2OS.GetCCVersion;
var
DllGetVersion: TDllGetVersion;
hLib: THandle;
viVersion: TDllVersionInfo;
begin
FillChar(FCCVersion, SizeOf(FCCVersion), #0);
hLib := LoadLibrary(ComCtl32);
if hLib <> 0 then
begin
@DllGetVersion := GetProcAddress(hLib, 'DllGetVersion');
if Assigned(DllGetVersion) then
begin
FillChar(viVersion, SizeOf(viVersion), #0);
viVersion.cbSize := SizeOf(viVersion);
DllGetVersion(@viVersion);
with FCCVersion do
begin
Major := viVersion.dwMajorVersion;
Minor := viVersion.dwMinorVersion;
Build := viVersion.dwBuildNumber;
end;
end;
FreeLibrary(hLib);
end;
end;
function TX2OS.FormatVersion;
var
sBuild: String;
begin
sBuild := '';
if Build then
sBuild := Format(' build %d', [FVersionEx.Build]);
with FVersionEx do
Result := Format('%s %s%s', [Name, VersionString, sBuild]);
end;
function TX2OS.GetXPManifest;
begin
Result := (FCCVersion.Major >= 6);
end;
function TX2OS.GetSupportsUAC: Boolean;
begin
Result := (FVersionEx.RawInfo.dwMajorVersion >= 6);
end;
initialization
finalization
FreeAndNil(GOS);
end.