Chip 2002 November/Chip_2002-11_cd1.bin/zkuste/delphi/unity/d56/DW/DW10242.ZIP/SystemWorks.pas

Pascal/Delphi Source File | 2002-07-07 | 58KB | 1,793 lines

(*------------------------------SystemWorks.pas--------------------------
 V1.0.98 - 08.07.2002 current release
*------------------------------------------------------------------------*)
unit SystemWorks;

interface

uses Windows, Graphics;

type
   TDWBootOption = (dwboNormal,        //Normaler Systemstart
                    dwboFailSafe,      //Abgesicherter Modus
                    dwboFailSaveNet);  //Abgesicherter Modus mit Netzwerk
   TDWComPort  =   (dwcptCOM1,
                    dwcptCOM2,
                    dwcptCOM3,
                    dwcptCOM4,
                    dwcptCOM5,
                    dwcptCOM6,
                    dwcptCOM7,
                    dwcptUnknown);
   TDWDimension  = packed record
                    Height,
                    Width:              Integer;
   end;
   TDWFileFlags  = (dwffDebug,
                    dwffInfoInferred,
                    dwffPatched,
                    dwffPrerelease,
                    dwffPrivateBuild,
                    dwffSpecialBuild);
   TDWFileInfo = packed record
                    dwSignature:        DWORD;
                    dwStrucVersion:     DWORD;
                    dwFileVersionMS:    DWORD;
                    dwFileVersionLS:    DWORD;
                    dwProductVersionMS: DWORD;
                    dwProductVersionLS: DWORD;
                    dwFileFlagsMask:    DWORD;
                    dwFileFlags:        DWORD;
                    dwFileOS:           DWORD;
                    dwFileType:         DWORD;
                    dwFileSubtype:      DWORD;
                    dwFileDateMS:       DWORD;
                    dwFileDateLS:       DWORD;
                    dwFileLanguage:     Word;
                    dwFileCharSet:      Word;
                    dwComments,
                    dwCompanyName,
                    dwFileDescription,
                    dwFileVersion,
                    dwInternalName,
                    dwLegalCopyright,
                    dwLegalTrademarks,
                    dwOriginalFilename,
                    dwPrivateBuild,
                    dwProductName,
                    dwProductVersion,
                    dwSpecialBuild:     String;
   end;
   TDWFileOS     = (dwfosDOS,
                    dwfosDOS_Windows16,
                    dwfosDOS_Windows32,
                    dwfosNT,
                    dwfosNT_Windows32,
                    dwfosWindows16,
                    dwfosWindows32,
                    dwfosOS2_16,
                    dwfosOS2_16_PM16,
                    dwfosOS2_32,
                    dwfosOS2_32_PM32,
                    dwfosPM16,
                    dwfosPM32,
                    dwfosUnknown);
   TDWFileOSSet   = Set of TDWFileOS;
   TDWFileSubType= (dwfstCOMM,
                    dwfstDisplay,
                    dwfstFontRaster,
                    dwfstFontTruetype,
                    dwfstFontVector,
                    dwfstInstallable,
                    dwfstKeyboard,
                    dwfstLanguage,
                    dwfstMouse,
                    dwfstNetwork,
                    dwfstPrinter,
                    dwfstSound,
                    dwfstSystem,
                    dwfstUnknown,
                    dwfstVersionedPrinter);
   TDWFileType   = (dwftApp,
                    dwftDLL,
                    dwftDRV,
                    dwftFont,
                    dwftStaticLib,
                    dwftUnknown,
                    dwftVXD);
   TDWFixedFileInfo = packed record
                    dwSignature:        DWORD;
                    dwStrucVersion:     DWORD;
                    dwFileVersionMS:    DWORD;
                    dwFileVersionLS:    DWORD;
                    dwProductVersionMS: DWORD;
                    dwProductVersionLS: DWORD;
                    dwFileFlagsMask:    DWORD;
                    dwFileFlags:        DWORD;
                    dwFileOS:           DWORD;
                    dwFileType:         DWORD;
                    dwFileSubtype:      DWORD;
                    dwFileDateMS:       DWORD;
                    dwFileDateLS:       DWORD;
   end;
   TDWLangCharSet = packed record
                    dwLang,
                    dwCharSet:          Word;
   end;
   TDWMenuAlignment =
                   (dwmaLeft,          //Menⁿ links unter MenuItem
                    dwmaRight);        //Menⁿ rechts unter MenuItem
   TDWMinimizedWindowArrangement =
                   (dwmwaBottomLeft,   //Unten links
                    dwmwaBottomRight,  //Unten rechts
                    dwmwaHide,         //Verborgen ( au▀erhalb sichtbarer Bereich )
                    dwmwaTopLeft,      //Open links
                    dwmwaTopRight);    //Oben rechts
   TDWScreenType = (dwscrtAll,           //Jeder Bildschirm
                    dwscrtDesktop,       //Alle, die ein Teil des Desktops sind
                    dwscrtMirror,        //Alle, die einen Bildschirm spiegeln
                    dwscrtModeSpruned,   //Grafikkarte kann mehr als der Monitor
                    dwscrtPrimary,       //PrimΣre Grafikkarte
                    dwscrtRemovable,     //Auswechselbare
                    dwscrtVGA);          //VGA-kompatible
   TDWScreenTypes = set of TDWScreenType;
   TDWSpecialFolder =
                   (dwspfAdminTools,
                    dwspfAppData,
                    dwspfRecycleBin,
                    dwspfCommonAdminTools,
                    dwspfCommonAppData,
                    dwspfCommonDesktop,
                    dwspfCommonDocuments,
                    dwspfCommonFavorites,
                    dwspfCommonMusic,
                    dwspfCommonPictures,
                    dwspfCommonProgramFiles,
                    dwspfCommonPrograms,
                    dwspfCommonStartmenu,
                    dwspfCommonStartup,
                    dwspfCommonTemplates,
                    dwspfCommonVideo,
                    dwspfControls,
                    dwspfCookies,
                    dwspfDesktop,
                    dwspfDrives,
                    dwspfFavorites,
                    dwspfFonts,
                    dwspfHistory,
                    dwspfInternetCache,
                    dwspfLocalAppData,
                    dwspfMyMusic,
                    dwspfMyPictures,
                    dwspfMyVideo,
                    dwspfNetHood,
                    dwspfNetwork,
                    dwspfPersonal,
                    dwspfPrinters,
                    dwspfPrintHood,
                    dwspfProfile,
                    dwspfProgramFiles,
                    dwspfProgramFilesX86,
                    dwspfPrograms,
                    dwspfRecent,
                    dwspfSendTo,
                    dwspfStartMenu,
                    dwspfStartUp,
                    dwspfSystem,
                    dwspfSystemX86,
                    dwspfTemplates,
                    dwspfWindows);
   TDWACLineStatus =
                   (dwalsOffline,
                    dwalsOnline,
                    dwalsUnknownState);
   TDWBatteryState =
                   (dwbtsHigh,
                    dwbtsLow,
                    dwbtsCritical,
                    dwbtsCharging,
                    dwbtsNoSystemBattery,
                    dwbtsUnknownState);
   TDWBatteryStates = set of TDWBatteryState;
   TDWVersionBlock = packed record
                    dwVersionMajor,
                    dwVersionMinor:     Integer;
   end;
   TDWWindowsDialog =
                   (dwwdAccessibilityProperties,
                    dwwdBDEProperties,
                    dwwdControlPanel,
                    dwwdCopyFloppy,
                    dwwdDialProperties,
                    dwwdDisplayProperties,
                    dwwdExecute,
                    dwwdFindFiles,
                    dwwdFontsProperties,
                    dwwdGamecontrollerProperties,
                    dwwdHardwareDetect,
                    dwwdInternetProperties,
                    dwwdKeyboardProperties,
                    dwwdLocaleProperties,
                    dwwdMailProperties,
                    dwwdModemProperties,
                    dwwdMouseProperties,
                    dwwdMultimediaProperties,
                    dwwdNetworkProperties,
                    dwwdODBCProperties,
                    dwwdPasswordsProperties,
                    dwwdPowerManagementProperties,
                    dwwdPrinterProperties,
                    dwwdRASWizard,
                    dwwdScanCamProperties,
                    dwwdSoftwareProperties,
                    dwwdSystemProperties,
                    dwwdThemesProperties,
                    dwwdTime,
                    dwwdTweakUIProperties,
                    dwwdWindowsShutdownDialog);
   _devicemodeA_0500 = packed record
      dmDeviceName: array [0..CCHDEVICENAME - 1] of AnsiChar;
      dmSpecVersion: Word;
      dmDriverVersion: Word;
      dmSize: Word;
      dmDriverExtra: Word;
      dmFields: DWORD;
      case Integer of // sequence rearranged (to have the biggest as last)
        1: (dmPosition: TPointL; );
        2: (dmDisplayOrientation: DWORD; );
        3: (dmDisplayFixedOutput: DWORD; );
        0: (
          dmOrientation: SHORT;
          dmPaperSize: SHORT;
          dmPaperLength: SHORT;
          dmPaperWidth: SHORT;
          dmScale: SHORT;
          dmCopies: SHORT;
          dmDefaultSource: SHORT;
          dmPrintQuality: SHORT; // );
    { end; }
      dmColor: SHORT;
      dmDuplex: SHORT;
      dmYResolution: SHORT;
      dmTTOption: SHORT;
      dmCollate: SHORT;
      dmFormName: array [0..CCHFORMNAME - 1] of AnsiChar;
      dmLogPixels: Word;
      dmBitsPerPel: DWORD;
      dmPelsWidth: DWORD;
      dmPelsHeight: DWORD;
      case Integer of
        0: (dmDisplayFlags: DWORD; );
        1: (dmNup: DWORD; // );
    { end; }
      dmDisplayFrequency: DWORD;
      dmICMMethod: DWORD;
      dmICMIntent: DWORD;
      dmMediaType: DWORD;
      dmDitherType: DWORD;
      dmReserved1: DWORD;
      dmReserved2: DWORD;
      dmPanningWidth: DWORD;
      dmPanningHeight: DWORD; ); ); // end of 'union's above
    end;

(*V1.0.98*)
function ActiveDesktopEnabled: Boolean;
function AppExec(const CmdLine, CmdParams: String; const CmdShow: Integer): Boolean;
function AppIsResponding(const ClassName: String; const TimeOut: Cardinal): Boolean;
procedure AppRestart;
function ComPortAvailable(const COMPort: TDWComPort): Boolean;
procedure EmptyKeyboardQueue;
procedure EmptyMouseQueue;
procedure ExecAndWait(const FileName, Params: String; const CmdShow: Integer);
procedure FileOpenWithDialog(const Filename: String);
procedure FilePropertiesDialog(const Filename: String);
function FontAdd(const FontFilename: String): Boolean;
function FontRemove(const FontFilename: String): Boolean;
function GetACLineStatus: TDWACLineStatus;
function GetAssociatedProgram(const Ext: String): String;
function GetBatteryFullLifeTime: Integer;
function GetBatteryLifePercent: Byte;
function GetBatteryLifeTime: Integer;
function GetBatteryState: TDWBatteryStates;
function GetIconDimension(const Filename: String; const Index: Integer): TDWDimension;
function GetNumberOfIcons(const Filename: String): Integer;
function GetSpecialFolder(const SpecialFolder: TDWSpecialFolder): String;
function GetWindowsLanguageStr: String;
procedure MinimizeAllWindows;
procedure ProcessMessages;
function ScreenColorDepth(const Index: Byte): Byte;
function ScreenDeviceName(const Index: Byte): String;
function ScreenDeviceString(const Index: Byte): String;
function ScreenDeviceType(const Index: Byte): TDWScreenTypes;
function ScreenFrequency(const Index: Byte): Integer;
function ScreenMonitorName(const Index: Byte): String;
function ScreenMonitorPosition(const Index: Byte; var Point: TPoint): Boolean;
function ScreenMonitorString(const Index: Byte): String;
function ScreenResolution(const Index: Byte): TDWDimension;
procedure ShowDesktop;
procedure ShowSpecialDialog(const SpecialDialog: TDWWindowsDialog);
procedure ShowFormatDriveDialog(const Drive: Char);
procedure StartNewBrowserWindow(const URL: string);

(*V1.0.97*)
function GetFileCharSetName(const FileInfo: TDWFileInfo): String;
function GetFileFlags(const FileInfo: TDWFileInfo): TDWFileFlags;
function GetFileInfo(const Filename: String): TDWFileInfo;
function GetFileLanguageName(const FileInfo: TDWFileInfo): String;
function GetFileOS(const FileInfo: TDWFileInfo): TDWFileOSSet;
function GetFileProductVersionMS(const FileInfo: TDWFileInfo): TDWVersionBlock;
function GetFileProductVersionLS(const FileInfo: TDWFileInfo): TDWVersionBlock;
function GetFileStrucVersion(const FileInfo: TDWFileInfo): TDWVersionBlock;
function GetFileSubType(const FileInfo: TDWFileInfo): TDWFileSubType;
function GetFileType(const FileInfo: TDWFileInfo): TDWFileType;
function GetFileVersionLS(const FileInfo: TDWFileInfo): TDWVersionBlock;
function GetFileVersionMS(const FileInfo: TDWFileInfo): TDWVersionBlock;

(*V1.0.96*)
function ActiveCaptionGradientColor: TColor;
function AvailablePageMemory: Int64;
function AvailablePhysicalMemory: Int64;
function AvailableVirtualMemory: Int64;
function GetBootOption: TDWBootOption;
procedure BuzzerSound(const Frequency: Word; const Delay: Cardinal);
procedure DisableCaptionCloseButton(const FormHandle: THandle);
function EmptyRecycleBin(const Confirmation, GUI, Sound: Boolean): Boolean;
procedure EnableCaptionCloseButton(const FormHandle: THandle);
function FilesInRecycleBin(var FileCount: Int64): Boolean;
function GetCapsLock: Boolean;
function GetMenuAlignment: TDWMenuAlignment;
function GetMinimizedWindowArrangement: TDWMinimizedWindowArrangement;
function GetMouseButtons: Integer;
function GetNumLock: Boolean;
function GetScrollLock: Boolean;
//procedure GetVideoModes(var ModeList: TStringList);
function HotLightColor: TColor;
function InactiveCaptionGradientColor: TColor;
function MemoryUsedPercentage: Integer;
function MenuBarColor: TColor;
function MenuHilightColor: TColor;
function MouseButtonsSwaped: Boolean;
function MouseIsPresent: Boolean;
function MouseHasWheel: Boolean;
function NetworkIsPresent: Boolean;
function ScreenCount(const ScreenType: TDWScreenType): Integer;
procedure SetCapsLock(const CapsLockOn: Boolean);
procedure SetNumLock(const NumLockOn: Boolean);
procedure SetScrollLock(const ScrollLockOn: Boolean);
function SoundCardInstalled: Boolean;
function TotalPageMemory: Int64;
function TotalPhysicalMemory: Int64;
function TotalVirtualMemory: Int64;

(*V1.0.95*)
function CPUClock: Double;
procedure MonitorOff;
procedure MonitorOn;
procedure SetSystemClock(Year, Month, Day, Hour, Minute, Second, MSecond: Integer);

implementation

uses SysUtils, Registry, MMSystem, OSWorks, Dialogs, Messages, DDEMan, ShellApi,
     FileCtrl, StringWorks, MultiMon, ShlObj, ConvertWorks;
const
   DISPLAY_DEVICE_ACTIVE =              $00000001;
   DISPLAY_DEVICE_ATTACHED_TO_DESKTOP = $00000001;
   DISPLAY_DEVICE_MULTI_DRIVER =        $00000002;
   DISPLAY_DEVICE_PRIMARY_DEVICE =      $00000004;
   DISPLAY_DEVICE_MIRRORING_DRIVER =    $00000008;
   DISPLAY_DEVICE_VGA_COMPATIBLE =      $00000010;
   DISPLAY_DEVICE_REMOVABLE =           $00000020;
   DISPLAY_DEVICE_MODESPRUNED =         $08000000;
   DISPLAY_DEVICE_REMOTE =              $04000000;
   DISPLAY_DEVICE_DISCONNECT =          $02000000;
   ENUM_CURRENT_SETTINGS =              $FFFFFFFF;

function _FormatDriveDlg(h:hwnd;lw,df,op:word):
          longint stdcall; external 'Shell32.dll' name 'SHFormatDrive';

procedure ShowFormatDriveDialog(const Drive: Char);
begin
   _FormatDriveDlg(0,Ord(UpCase(Drive))-65,$FFFF,0);
end;

procedure ShowSpecialDialog(const SpecialDialog: TDWWindowsDialog);
   procedure opencpl(const cpl: string);
   begin
      shellexecute(GetCurrentProcess,'open','rundll32.exe',
         pchar('shell32.dll,Control_RunDLL'+#32+cpl),nil,sw_shownormal);
   end;
begin
   case SpecialDialog of
   dwwdCopyFloppy:
      begin
         ShellExecute(GetCurrentProcess,'open', 'rundll32.exe',
                      PChar('diskcopy,DiskCopyRunDll'), nil, SW_SHOWNORMAL);
      end;
   dwwdHardwareDetect:
      begin
         ShellExecute(GetCurrentProcess, 'open','rundll32.exe',
                         'sysdm.cpl,installdevice_rundll', nil, SW_SHOWNORMAL);
      end;
   dwwdControlPanel:
      begin
         ShellExecute(GetCurrentProcess, 'open','rundll32.exe',
                         'shell32,Control_RunDLL', nil, SW_SHOWNORMAL);
      end;
   dwwdRASWizard:
      begin
         ShellExecute(GetCurrentProcess, 'open','rundll32.exe',
                         'rnaui.dll,RnaWizard /1', nil, SW_SHOWNORMAL);
      end;
   dwwdWindowsShutdownDialog:
      begin
         PostMessage(FindWindow('Progman',nil), WM_CLOSE, 0, 0);
      end;
   dwwdExecute:
      begin
         keybd_event(VK_LWIN, MapVirtualKey(VK_LWIN, 0), 0, 0);
         keybd_event(Ord('R'), MapVirtualKey(Ord('R'), 0), 0, 0);
         keybd_event(Ord('R'), MapVirtualKey(Ord('R'), 0), KEYEVENTF_KEYUP, 0);
         keybd_event(VK_LWIN, MapVirtualKey(VK_LWIN, 0), KEYEVENTF_KEYUP, 0);
      end;
   dwwdFindFiles:
      begin
         keybd_event(VK_LWIN, MapVirtualKey(VK_LWIN, 0), 0, 0);
         keybd_event(Ord('F'), MapVirtualKey(Ord('F'), 0), 0, 0);
         keybd_event(Ord('F'), MapVirtualKey(Ord('F'), 0), KEYEVENTF_KEYUP, 0);
         keybd_event(VK_LWIN, MapVirtualKey(VK_LWIN, 0), KEYEVENTF_KEYUP, 0);
      end;
   dwwdTime:
      begin
         ShellExecute(GetCurrentProcess, 'open', 'control',
                        'date/time', nil, SW_SHOW)
      end;
   dwwdMouseProperties:
      begin
         OpenCpl('MAIN.CPL @0');
      end;
   dwwdKeyboardProperties:
      begin
         OpenCpl('MAIN.CPL @1');
      end;
   dwwdPrinterProperties:
      begin
         OpenCpl('MAIN.CPL @2');
      end;
   dwwdFontsProperties:
      begin
         OpenCpl('MAIN.CPL @3');
      end;
   dwwdSoftwareProperties:
      begin
         OpenCpl('APPWIZ.CPL');
      end;
   dwwdDisplayProperties:
      begin
         OpenCpl('DESK.CPL');
      end;
   dwwdInternetProperties:
      begin
         OpenCpl('INETCPL.CPL');
      end;
   dwwdLocaleProperties:
      begin
         OpenCpl('INTL.CPL');
      end;
   dwwdMultimediaProperties:
      begin
         OpenCpl('MMSYS.CPL');
      end;
   dwwdModemProperties:
      begin
         OpenCpl('MODEM.CPL');
      end;
   dwwdNetworkProperties:
      begin
         OpenCpl('NETCPL.CPL');
      end;
   dwwdPasswordsProperties:
      begin
         OpenCpl('PASSWORD.CPL');
      end;
   dwwdScanCamProperties:
      begin
         OpenCpl('STICPL.CPL');
      end;
   dwwdSystemProperties:
      begin
         OpenCpl('SYSDM.CPL');
      end;
   dwwdDialProperties:
      begin
         OpenCpl('TELEPHON.CPL');
      end;
   dwwdGamecontrollerProperties:
      begin
         OpenCpl('JOY.CPL');
      end;
   dwwdAccessibilityProperties:
      begin
         OpenCpl('ACCESS.CPL');
      end;
   dwwdTweakUIProperties:
      begin
         OpenCpl('TWEAKUI.CPL');
      end;
   dwwdODBCProperties:
      begin
         OpenCpl('ODBCCP32.CPL');
      end;
   dwwdPowerManagementProperties:
      begin
         OpenCpl('POWERCFG.CPL');
      end;
   dwwdThemesProperties:
      begin
         OpenCpl('THEMES.CPL');
      end;
   dwwdBDEProperties:
      begin
         OpenCpl('BDEADMIN.CPL');
      end;
   dwwdMailProperties:
      begin
         OpenCpl('MLCFG32.CPL');
      end;
   end;
end;

function GetSpecialFolder(const SpecialFolder: TDWSpecialFolder): String;
var
   pPath: PChar;
begin
   GetMem(pPath, MAX_PATH);
   case SpecialFolder of
   dwspfSystem:   GetSystemDirectory(pPath, MAX_PATH);
   dwspfWindows:  GetWindowsDirectory(pPath, MAX_PATH);
   else           SHGetSpecialFolderPath(GetCurrentProcess,
                                         pPath,
                                         SpecialFolderToCSIDL(SpecialFolder),
                                         FALSE);
   end;

   result:= IncludeTrailingBackslash(pPath);
   FreeMem(pPath, MAX_PATH);
end;

function ActiveDesktopEnabled: Boolean;
var
  h: HWND;
begin
  h := FindWindow('Progman', nil);
  h := FindWindowEx(h, 0, 'SHELLDLL_DefView', nil);
  h := FindWindowEx(h, 0, 'Internet Explorer_Server', nil);
  Result := h <> 0;
end;

function AppExec(const CmdLine, CmdParams: String; const CmdShow: Integer): Boolean;
begin
   result:= (ShellExecute(GetCurrentProcess,
                         'open',
                         PChar(CmdLine),
                         PChar(CmdParams),
                         '',
                         CmdShow)>32);
end;

function AppIsResponding(const ClassName: String; const TimeOut: Cardinal): Boolean;
var
  Res: DWORD;
  h: HWND;
  bClassFound,
  bSendMessage: Boolean;
begin
  bSendMessage:= FALSE;
  h:= FindWindow(PChar(ClassName), nil);
  bClassFound:= (h <> 0);
  if bClassFound then
    bSendMessage:= (SendMessageTimeout(H,
      WM_NULL,
      0,
      0,
      SMTO_NORMAL or SMTO_ABORTIFHUNG,
      TIMEOUT,
      Res) <> 0);
   result:= (bClassFound and bSendMessage);
end;

procedure AppRestart;
begin
  AppExec(ParamStr(0), '', SW_SHOW);
  TerminateProcess(GetCurrentProcess, 0);
end;

function ComPortAvailable(const COMPort: TDWComPort): Boolean;
var
  DeviceName: array[0..80] of Char;
  ComFile: THandle;
begin
  StrPCopy(DeviceName, ComPortToStr(COMPort));
  ComFile := CreateFile(DeviceName, GENERIC_READ or GENERIC_WRITE, 0, nil,
    OPEN_EXISTING,
    FILE_ATTRIBUTE_NORMAL, 0);
  Result := ComFile <> INVALID_HANDLE_VALUE;
  CloseHandle(ComFile);
end;

procedure EmptyKeyboardQueue;
var
  Msg: TMsg;
begin
  while PeekMessage(Msg, 0, WM_KEYFIRST, WM_KEYLAST,
    PM_REMOVE or PM_NOYIELD) do;
end;

procedure EmptyMouseQueue;
var
  Msg: TMsg;
begin
  while PeekMessage(Msg, 0, WM_MOUSEFIRST, WM_MOUSELAST,
    PM_REMOVE or PM_NOYIELD) do;
end;

procedure ExecAndWait(const FileName, Params: String; const CmdShow: Integer);
var
  exInfo: TShellExecuteInfo;
  Ph: DWORD;
begin
  FillChar(exInfo, SizeOf(exInfo), 0);
  with exInfo do
  begin
    cbSize := SizeOf(exInfo);
    fMask := SEE_MASK_NOCLOSEPROCESS or SEE_MASK_FLAG_DDEWAIT;
    Wnd := GetActiveWindow();
    ExInfo.lpVerb := 'open';
    ExInfo.lpParameters := PChar(Params);
    lpFile := PChar(FileName);
    nShow := CmdShow;
  end;
  if ShellExecuteEx(@exInfo) then
    Ph := exInfo.HProcess
  else
  begin
    ShowMessage(SysErrorMessage(GetLastError));
    Exit;
  end;
  while WaitForSingleObject(ExInfo.hProcess, 50) <> WAIT_OBJECT_0 do
    ProcessMessages;
  CloseHandle(Ph);
end;

function GetBatteryLifePercent: Byte;
var
   Sps: TSystemPowerStatus;
begin
   GetSystemPowerStatus(Sps);
   result:= Sps.BatteryLifePercent;
end;

function GetBatteryLifeTime: Integer;
var
   Sps: TSystemPowerStatus;
begin
   GetSystemPowerStatus(Sps);
   result:= Sps.BatteryLifeTime;
end;

function GetBatteryFullLifeTime: Integer;
var
   Sps: TSystemPowerStatus;
begin
   GetSystemPowerStatus(Sps);
   result:= Sps.BatteryFullLifeTime;
end;

function GetBatteryState: TDWBatteryStates;
var
   Sps: TSystemPowerStatus;
begin
   GetSystemPowerStatus(Sps);
   with Sps do begin
      if ((BatteryFlag and 1) = 1) then Include(result, dwbtsHigh);
      if ((BatteryFlag and 2) = 2) then Include(result, dwbtsLow);
      if ((BatteryFlag and 4) = 4) then Include(result, dwbtsCritical);
      if ((BatteryFlag and 8) = 8) then Include(result, dwbtsCharging);
      if ((BatteryFlag and 128) = 128) then Include(result, dwbtsNoSystemBattery);
      if ((BatteryFlag and 255) = 255) then Include(result, dwbtsUnknownState);
   end;
end;

function GetIconDimension(const Filename: String; const Index: Integer): TDWDimension;
var
   iIcon: TIcon;
begin
   iIcon:= TIcon.Create;
   iIcon.Handle:= ExtractIcon(GetCurrentProcess, PChar(Filename), Index);
   with result do begin
      Height:= iIcon.Height;
      Width:=  iIcon.Width;
   end;
   iIcon.free;
end;

function GetNumberOfIcons(const Filename: String): Integer;
begin
   result:= ExtractIcon(GetCurrentProcess, PChar(Filename), UINT(-1));
end;

function GetWindowsLanguageStr: String;
var
  WinLanguage: array [0..50] of char;
begin
  VerLanguageName(GetSystemDefaultLangID, WinLanguage, 50);
  Result := StrPas(WinLanguage);
end;

procedure ProcessMessages;
var
  Msg: TMsg;
begin
  while PeekMessage(Msg, GetCurrentProcess, 0, 0, PM_REMOVE) do
    //if not IsDialogMessage(Dlg, Msg) then
    begin
      TranslateMessage(Msg);
      DispatchMessage(Msg);
    end;
end;

procedure FileOpenWithDialog(const Filename: String);
begin
  ShellExecute(GetCurrentProcess, 'open', PChar('rundll32.exe'),
    PChar('shell32.dll,OpenAs_RunDLL ' + FileName), nil, SW_SHOWNORMAL);
end;

procedure FilePropertiesDialog(const Filename: String);
var
  sei: TShellExecuteInfo;
begin
  FillChar(sei, SizeOf(sei), 0);
  sei.cbSize := SizeOf(sei);
  sei.lpFile := PChar(FileName);
  sei.lpVerb := 'properties';
  sei.fMask  := SEE_MASK_INVOKEIDLIST;
  ShellExecuteEx(@sei);
end;

function FontAdd(const FontFilename: String): Boolean;
begin
  result:= (AddFontResource(PChar(ExtractFilePath(ParamStr(0) + FontFilename)))<>0);
  SendMessage(HWND_BROADCAST, WM_FONTCHANGE, 0, 0);
end;

function FontRemove(const FontFilename: String): Boolean;
begin
  result:= RemoveFontResource(PChar(ExtractFilePath(ParamStr(0) + FontFilename)));
  SendMessage(HWND_BROADCAST, WM_FONTCHANGE, 0, 0);
end;

procedure StartNewBrowserWindow(const URL: string);
var
  DDEConv: TDDEClientConv;
  URLFired: bool;
  App: string;
  UpApp: string;
  p: array[0..MAX_PATH] of Char;
begin
  UrlFired := False;
  App := GetAssociatedProgram('HTM');
  UpApp := Uppercase(App);
  Delete(App, Pos('.EXE', UpAPP), Length(App));
  if Pos('NETSCAPE.EXE',
    UpApp) > 0 then
  begin
    DDEConv := TDDEClientConv.Create(nil);
    DDEConv.ServiceApplication := App;
    if DDEConv.SetLink('NETSCAPE', 'WWW_OpenURL') then
      if DDEConv.RequestData(URL + ',,0x0,0x0') <> nil then
        if DDEConv.SetLink('NETSCAPE', 'WWW_Activate') then
          URLFired := DDEConv.RequestData('0xFFFFFFFF,0x0') <> nil;
    DDEConv.Free;
  end
  else if Pos('IEXPLORE.EXE',
    UpApp) > 0 then
  begin
    DDEConv := TDDEClientConv.Create(nil);
    DDEConv.ServiceApplication := App;
    if DDEConv.SetLink('iexplore', 'WWW_OpenURL') then
      if DDEConv.RequestData(URL + ',,0') <> nil then
        if DDEConv.SetLink('iexplore', 'WWW_Activate') then
          URLFired := DDEConv.RequestData('0,0') <> nil;
    DDEConv.Free;
  end;
  if UrlFired = False then
    WinExec(StrPCopy(@p, URL), SW_SHOWNORMAL);
end;

procedure MinimizeAllWindows;
begin
   keybd_event(VK_LWIN, MapVirtualKey(VK_LWIN, 0), 0, 0);
   keybd_event(Ord('M'), MapVirtualKey(Ord('M'), 0), 0, 0);
   keybd_event(Ord('M'), MapVirtualKey(Ord('M'), 0), KEYEVENTF_KEYUP, 0);
   keybd_event(VK_LWIN, MapVirtualKey(VK_LWIN, 0), KEYEVENTF_KEYUP, 0);
end;

procedure ShowDesktop;
begin
   keybd_event(VK_LWIN, MapVirtualKey(VK_LWIN, 0), 0, 0);
   keybd_event(Ord('D'), MapVirtualKey(Ord('D'), 0), 0, 0);
   keybd_event(Ord('D'), MapVirtualKey(Ord('D'), 0), KEYEVENTF_KEYUP, 0);
   keybd_event(VK_LWIN, MapVirtualKey(VK_LWIN, 0), KEYEVENTF_KEYUP, 0);
end;

function GetACLineStatus: TDWACLineStatus;
var
   Sps: TSystemPowerStatus;
begin
   GetSystemPowerStatus(Sps);
   case Sps.ACLineStatus of
   0:   result:= dwalsOffline;
   1:   result:= dwalsOnline;
   else result:= dwalsUnknownState;
   end;
end;

function GetAssociatedProgram(const Ext: String): String;
var
  {$IFDEF WIN32}
  reg: TRegistry;
  s: string;
  {$ELSE}
  WinIni: TIniFile;
  WinIniFileName: array[0..MAX_PATH] of Char;
  s: string;
  {$ENDIF}
begin
  {$IFDEF WIN32}
  s := '';
  reg := TRegistry.Create;
  reg.RootKey := HKEY_CLASSES_ROOT;
  if reg.OpenKey('.' + ext + '\shell\open\command',
    False) <> False then
  begin
    {The open command has been found}
    s := reg.ReadString('');
    reg.CloseKey;
  end
  else
  begin
    {perhaps thier is a system file pointer}
    if reg.OpenKey('.' + ext,
      False) <> False then
    begin
      s := reg.ReadString('');
      reg.CloseKey;
      if s <> '' then
      begin
        {A system file pointer was found}
        if reg.OpenKey(s + '\shell\open\command',
          False) <> False then
          {The open command has been found}
          s := reg.ReadString('');
        reg.CloseKey;
      end;
    end;
  end;
  {Delete any command line, quotes and spaces}
  if Pos('%', s) > 0 then
    Delete(s, Pos('%', s), Length(s));
  if ((Length(s) > 0) and
    (s[1] = '"')) then
    Delete(s, 1, 1);
  if ((Length(s) > 0) and
    (Pos('"', s) > 0)) then
    Delete(s, Pos('"', s), Length(s));
  while ((Length(s) > 0) and
    (s[Length(s)] = #32)) do
    Delete(s, Length(s), 1);
  {$ELSE}
  GetWindowsDirectory(WinIniFileName, SizeOf(WinIniFileName));
  StrCat(WinIniFileName, '\win.ini');
  WinIni := TIniFile.Create(WinIniFileName);
  s  := WinIni.ReadString('Extensions',ext,'');
  WinIni.Free;
  {Delete any command line}
  if Pos(' ^', s) > 0 then
    Delete(s, Pos(' ^', s), Length(s));
  {$ENDIF}
  Result := s;
end;

function GetFileCharSetName(const FileInfo: TDWFileInfo): String;
var
   LngName: Array[0..255] of Char;
begin
   LngName:= '';
   VerLanguageName(FileInfo.dwFileCharSet, LngName, Length(LngName));
   result:= LngName;
end;

function GetFileFlags(const FileInfo: TDWFileInfo): TDWFileFlags;
begin
   case FileInfo.dwFileFlags of
   VS_FF_DEBUG:         result:= dwffDebug;
   VS_FF_INFOINFERRED:  result:= dwffInfoInferred;
   VS_FF_PATCHED:       result:= dwffPatched;
   VS_FF_PRERELEASE:    result:= dwffPrerelease;
   VS_FF_PRIVATEBUILD:  result:= dwffPrivateBuild;
   VS_FF_SPECIALBUILD:  result:= dwffSpecialBuild;
   else                 result:= dwffPrivateBuild;
   end;
end;

function GetFileInfo(const Filename: String): TDWFileInfo;
type
   pFixedFileInfo = ^TDWFixedFileInfo;
   pLangCharSet = ^TDWLangCharSet;
var
   Size, TmpSize: DWord;
   cFilename,
   Buffer: PChar;
   Ptr: Pointer;
   FixedInfo: TDWFixedFileInfo;
   PLCSet: pLangCharSet;
   Translation: String;

   function QueryCopyrightString(const EntryName, Translation: String; pInfoBuffer: Pointer): String;
   var
      Buffer: Array[0..255] of Char;
      FuncSize: UINT;
      Ptr: Pointer;
   begin
       result:= '';
       StrPCopy(Buffer, '\StringFileInfo\' + Translation + '\' + EntryName);
       if VerQueryValue(pInfoBuffer, Buffer, Ptr, FuncSize) then
         Result := StrPas(PChar(Ptr));
   end;
begin
   cFilename := StrAlloc(Length(FileName) + 1);
   StrPCopy(cFilename, FileName);
   Size:= GetFileVersionInfoSize(cFilename, TmpSize);
   if Size > 0 then
   begin
      Buffer := StrAlloc(Size);
      if GetFileVersionInfo(cFilename, TmpSize, Size, Buffer) then
      begin
         VerQueryValue(Buffer, '\', Ptr, Size);
         FixedInfo := pFixedFileInfo(Ptr)^;
         VerQueryValue(Buffer, '\VarFileInfo\Translation', Ptr, Size);
         PLCSet := pLangCharSet(Ptr);
         Translation := Format('%4.4x%4.4x',[PLCSet^.dwLang, PLCSet^.dwCharSet]);
         with result do begin
            dwComments:=         QueryCopyrightString('Comments',
                                                      Translation,
                                                      Buffer);
            dwCompanyName:=      QueryCopyrightString('CompanyName',
                                                      Translation,
                                                      Buffer);
            dwFileDescription:=  QueryCopyrightString('FileDescription',
                                                      Translation,
                                                      Buffer);
            dwFileVersion:=      QueryCopyrightString('FileVersion',
                                                      Translation,
                                                      Buffer);
            dwInternalName:=     QueryCopyrightString('InternalName',
                                                      Translation,
                                                      Buffer);
            dwLegalCopyright:=   QueryCopyrightString('LegalCopyright',
                                                      Translation,
                                                      Buffer);
            dwLegalTrademarks:=  QueryCopyrightString('LegalTrademarks',
                                                      Translation,
                                                      Buffer);
            dwOriginalFilename:= QueryCopyrightString('OriginalFilename',
                                                      Translation,
                                                      Buffer);
            dwPrivateBuild:=     QueryCopyrightString('PrivateBuild',
                                                      Translation,
                                                      Buffer);
            dwProductName:=      QueryCopyrightString('ProductName',
                                                      Translation,
                                                      Buffer);
            dwProductVersion:=   QueryCopyrightString('ProductVersion',
                                                      Translation,
                                                      Buffer);
            dwSpecialBuild:=     QueryCopyrightString('SpecialBuild',
                                                      Translation,
                                                      Buffer);
         end;
      end;
   end;
   StrDispose(cFilename);
   with result do begin
      dwSignature:=        FixedInfo.dwSignature;
      dwStrucVersion:=     FixedInfo.dwStrucVersion;
      dwFileVersionMS:=    FixedInfo.dwFileVersionMS;
      dwFileVersionLS:=    FixedInfo.dwFileVersionLS;
      dwProductVersionMS:= FixedInfo.dwProductVersionMS;
      dwProductVersionLS:= FixedInfo.dwProductVersionLS;
      dwFileFlagsMask:=    FixedInfo.dwFileFlagsMask;
      dwFileFlags:=        FixedInfo.dwFileFlags;
      dwFileOS:=           FixedInfo.dwFileOS;
      dwFileType:=         FixedInfo.dwFileType;
      dwFileSubtype:=      FixedInfo.dwFileSubtype;
      dwFileDateMS:=       FixedInfo.dwFileDateMS;
      dwFileDateLS:=       FixedInfo.dwFileDateLS;
      dwFileLanguage:=     PLCSet^.dwLang;
      dwFileCharSet:=      PLCSet^.dwCharSet;
   end;
end;

function GetFileLanguageName(const FileInfo: TDWFileInfo): String;
var
   LngName: Array[0..255] of Char;
begin
   LngName:= '';
   VerLanguageName(FileInfo.dwFileLanguage, LngName, Length(LngName));
   result:= LngName;
end;

function GetFileOS(const FileInfo: TDWFileInfo): TDWFileOSSet;
begin
   if (FileInfo.dwFileOS and VOS_DOS)>0
      then Include(result, dwfosDOS);
   if (FileInfo.dwFileOS and VOS_DOS_WINDOWS16)>0
      then Include(result, dwfosDOS_Windows16);
   if (FileInfo.dwFileOS and VOS_DOS_WINDOWS32)>0
      then Include(result, dwfosDOS_Windows32);
   if (FileInfo.dwFileOS and VOS_NT)>0
      then Include(result, dwfosNT);
   if (FileInfo.dwFileOS and VOS_NT_WINDOWS32)>0
      then Include(result, dwfosNT_Windows32);
   if (FileInfo.dwFileOS and VOS_OS216)>0
      then Include(result, dwfosOS2_16);
   if (FileInfo.dwFileOS and VOS_OS216_PM16)>0
      then Include(result, dwfosOS2_16_PM16);
   if (FileInfo.dwFileOS and VOS_OS232)>0
      then Include(result, dwfosOS2_32);
   if (FileInfo.dwFileOS and VOS_OS232_PM32)>0
      then Include(result, dwfosOS2_32_PM32);
   if (FileInfo.dwFileOS and VOS__WINDOWS16)>0
      then Include(result, dwfosWindows16);
   if (FileInfo.dwFileOS and VOS__WINDOWS32)>0
      then Include(result, dwfosWindows32);
   if (FileInfo.dwFileOS and VOS__PM16)>0
      then Include(result, dwfosPM16);
   if (FileInfo.dwFileOS and VOS__PM32)>0
      then Include(result, dwfosPM32);
   if result = [] then result:= [dwfosUnknown];
end;

function GetFileProductVersionMS(const FileInfo: TDWFileInfo): TDWVersionBlock;
begin
   result.dwVersionMajor:= (FileInfo.dwProductVersionMS and $FFFF0000) shr $10;
   result.dwVersionMinor:=  FileInfo.dwProductVersionMS and $FFFF;
end;

function GetFileProductVersionLS(const FileInfo: TDWFileInfo): TDWVersionBlock;
begin
   result.dwVersionMajor:= (FileInfo.dwProductVersionLS and $FFFF0000) shr $10;
   result.dwVersionMinor:=  FileInfo.dwProductVersionLS and $FFFF;
end;

function GetFileSubType(const FileInfo: TDWFileInfo): TDWFileSubType;
begin
   if (FileInfo.dwFileType = VFT_FONT) then begin
      case FileInfo.dwFileSubtype of
      VFT2_FONT_RASTER:   result:= dwfstFontRaster;
      VFT2_FONT_TRUETYPE: result:= dwfstFontTruetype;
      VFT2_FONT_VECTOR:   result:= dwfstFontVector;
      else                result:= dwfstUnknown;
      end;
      exit;
   end;
   case FileInfo.dwFileSubtype of
   VFT2_DRV_COMM:        result:= dwfstCOMM;
   VFT2_DRV_DISPLAY:     result:= dwfstDisplay;
   VFT2_DRV_INSTALLABLE: result:= dwfstInstallable;
   VFT2_DRV_KEYBOARD:    result:= dwfstKeyboard;
   VFT2_DRV_LANGUAGE:    result:= dwfstLanguage;
   VFT2_DRV_MOUSE:       result:= dwfstMouse;
   VFT2_DRV_NETWORK:     result:= dwfstNetwork;
   VFT2_DRV_PRINTER:     result:= dwfstPrinter;
   VFT2_DRV_SOUND:       result:= dwfstSound;
   VFT2_DRV_SYSTEM:      result:= dwfstSystem;
   VFT2_UNKNOWN:         result:= dwfstUnknown;
   else                  result:= dwfstUnknown;
   end;
end;

function GetFileType(const FileInfo: TDWFileInfo): TDWFileType;
begin
   case FileInfo.dwFileType of
   VFT_UNKNOWN:    result:= dwftUnknown;
   VFT_APP:        result:= dwftApp;
   VFT_DLL:        result:= dwftDLL;
   VFT_DRV:        result:= dwftDRV;
   VFT_FONT:       result:= dwftFont;
   VFT_VXD:        result:= dwftVXD;
   VFT_STATIC_LIB: result:= dwftStaticLib
   else            result:= dwftUnknown;
   end;
end;

function GetFileStrucVersion(const FileInfo: TDWFileInfo): TDWVersionBlock;
begin
   result.dwVersionMajor:= (FileInfo.dwStrucVersion and $FFFF0000) shr $10;
   result.dwVersionMinor:=  FileInfo.dwStrucVersion and $FFFF;
end;

function GetFileVersionLS(const FileInfo: TDWFileInfo): TDWVersionBlock;
begin
   result.dwVersionMajor:= (FileInfo.dwFileVersionLS and $FFFF0000) shr $10;
   result.dwVersionMinor:=  FileInfo.dwFileVersionLS and $FFFF;
end;

function GetFileVersionMS(const FileInfo: TDWFileInfo): TDWVersionBlock;
begin
   result.dwVersionMajor:= (FileInfo.dwFileVersionMS and $FFFF0000) shr $10;
   result.dwVersionMinor:=  FileInfo.dwFileVersionMS and $FFFF;
end;

{procedure GetVideoModes(var ModeList: TStringList);
var
  ModeNumber, j: Integer;
  MyMode: TDeviceModeA;
  Check, Need: Boolean;
  Str: string;
begin
  ModeNumber:=0;
  Check:=True;
  while(Check) do
  begin
    Check:=EnumDisplaySettings(nil, ModeNumber, MyMode);
    Str:=IntToStr(MyMode.dmPelsWidth)+'-'+IntToStr(MyMode.dmPelsHeight);
    Need:=False;
    for j:=0 to ModeList.Count-1 do
      if ModeList[j]=Str then
        Need:=True;
    if Need=False then ModeList.Add(Str);
    Inc(ModeNumber);
  end;
end;  }

procedure DisableCaptionCloseButton(const FormHandle: THandle);
var
   hMnu: THandle;
begin
   hMnu:= GetSystemMenu(FormHandle, FALSE);
   EnableMenuItem(hMnu, SC_MINIMIZE, SC_CLOSE or MF_GRAYED);
end;

procedure EnableCaptionCloseButton(const FormHandle: THandle);
var
   hMnu: THandle;
begin
   hMnu:= GetSystemMenu(FormHandle, FALSE);
   EnableMenuItem(hMnu, SC_MINIMIZE, SC_CLOSE or MF_ENABLED);
end;

function ScreenColorDepth(const Index: Byte): Byte;
var
   DevMode: TDeviceMode;
begin
   result:= 0;
   if EnumDisplaySettings(PChar(ScreenDeviceName(Index)), ENUM_CURRENT_SETTINGS,
                          DevMode) then begin
      result:= DevMode.dmBitsPerPel;
   end;
end;

function ScreenCount(const ScreenType: TDWScreenType): Integer;
var
   DeviceCount: Integer;
   DisplayDevice: TDisplayDevice;
   DeviceNum: DWord;
begin
   result:= 0;
   if (IsNT4 or IsWin95) then exit; //These OS does not support multimon
   DisplayDevice.cb:= SizeOf(DisplayDevice);
   DeviceNum:= 0;
   DeviceCount:= 1;
   while EnumDisplayDevices(NIL, DeviceNum, DisplayDevice, 0) do begin
      case ScreenType of
      dwscrtAll:
         begin
            if (DisplayDevice.StateFlags and DISPLAY_DEVICE_PRIMARY_DEVICE)>0 then
               Dec(DeviceCount);
            Inc(DeviceCount);
         end;
      dwscrtDesktop:
         begin
            if (DisplayDevice.StateFlags and DISPLAY_DEVICE_PRIMARY_DEVICE)>0 then
               Dec(DeviceCount);
            if (DisplayDevice.StateFlags and DISPLAY_DEVICE_ATTACHED_TO_DESKTOP)>0 then
               Inc(DeviceCount);
         end;
      dwscrtMirror:
         begin
            if (DisplayDevice.StateFlags and DISPLAY_DEVICE_PRIMARY_DEVICE)>0 then
               Dec(DeviceCount);
            if (DisplayDevice.StateFlags and DISPLAY_DEVICE_MIRRORING_DRIVER)>0 then
               Inc(DeviceCount);
         end;
      dwscrtRemovable:
         begin
            if (DisplayDevice.StateFlags and DISPLAY_DEVICE_PRIMARY_DEVICE)>0 then
               Dec(DeviceCount);
            if (DisplayDevice.StateFlags and DISPLAY_DEVICE_REMOVABLE)>0 then
               Inc(DeviceCount);
         end;
      dwscrtVGA:
         begin
            if (DisplayDevice.StateFlags and DISPLAY_DEVICE_PRIMARY_DEVICE)>0 then
               Dec(DeviceCount);
            if (DisplayDevice.StateFlags and DISPLAY_DEVICE_VGA_COMPATIBLE)>0 then
               Inc(DeviceCount);
         end;
      end;
      Inc(DeviceNum);
   end;
   result:= DeviceCount;
end;

function ScreenDeviceName(const Index: Byte): String;
var
   DisplayDevice: TDisplayDevice;
begin
   result:= '';
   DisplayDevice.cb:= SizeOf(DisplayDevice);
   if EnumDisplayDevices(NIL, Index, DisplayDevice, 0) then begin
      result:= DisplayDevice.DeviceName;
   end;
end;

function ScreenDeviceString(const Index: Byte): String;
var
   DisplayDevice: TDisplayDevice;
begin
   result:= '';
   DisplayDevice.cb:= SizeOf(DisplayDevice);
   if EnumDisplayDevices(NIL, Index, DisplayDevice, 0) then begin
      result:= DisplayDevice.DeviceString;
   end;
end;

function ScreenDeviceType(const Index: Byte): TDWScreenTypes;
var
   DisplayDevice: TDisplayDevice;
begin
   result:= [];
   DisplayDevice.cb:= SizeOf(DisplayDevice);
   if EnumDisplayDevices(NIL, Index, DisplayDevice, 0) then begin
      with DisplayDevice do begin
         if ((StateFlags and DISPLAY_DEVICE_ATTACHED_TO_DESKTOP) =
            DISPLAY_DEVICE_ATTACHED_TO_DESKTOP) then Include(result, dwscrtDesktop);

         if ((StateFlags and DISPLAY_DEVICE_MIRRORING_DRIVER) =
            DISPLAY_DEVICE_MIRRORING_DRIVER) then Include(result, dwscrtMirror);

         if ((StateFlags and DISPLAY_DEVICE_MODESPRUNED) =
            DISPLAY_DEVICE_MODESPRUNED) then Include(result, dwscrtModeSpruned);

         if ((StateFlags and DISPLAY_DEVICE_PRIMARY_DEVICE) =
            DISPLAY_DEVICE_PRIMARY_DEVICE) then Include(result, dwscrtPrimary);

         if ((StateFlags and DISPLAY_DEVICE_REMOVABLE) =
            DISPLAY_DEVICE_REMOVABLE) then Include(result, dwscrtRemovable);

         if ((StateFlags and DISPLAY_DEVICE_VGA_COMPATIBLE) =
            DISPLAY_DEVICE_VGA_COMPATIBLE) then Include(result, dwscrtVGA);
      end;
   end;
end;

function ScreenFrequency(const Index: Byte): Integer;
var
   DevMode: TDeviceMode;
begin
   result:= 0;
   if EnumDisplaySettings(PChar(ScreenDeviceName(Index)), ENUM_CURRENT_SETTINGS,
                          DevMode) then begin
      result:= DevMode.dmDisplayFrequency;
   end;
end;

function ScreenResolution(const Index: Byte): TDWDimension;
var
   DevMode: TDeviceMode;
begin
   with result do begin
      Height:= 0;
      Width:= 0;
   end;
   if EnumDisplaySettings(PChar(ScreenDeviceName(Index)), ENUM_CURRENT_SETTINGS,
                          DevMode) then begin
      with result do begin
         Height:= DevMode.dmPelsHeight;
         Width:= DevMode.dmPelsWidth;
      end;
   end;
end;

function ScreenMonitorString(const Index: Byte): String;
var
   DisDev, DisDevMon: TDisplayDevice;
begin
   result:= '';
   DisDev.cb:= SizeOf(TDisplayDevice);
   DisDevMon.cb:= SizeOf(TDisplayDevice);
   if EnumDisplayDevices(NIL, Index, DisDev, 0) then begin
      if DisDev.StateFlags = DISPLAY_DEVICE_MIRRORING_DRIVER then exit;
      while EnumDisplayDevices(@DisDev.DeviceName, 0, DisDevMon, 0) do begin
         result:= DisDevMon.DeviceString;
         if (DisDevMon.StateFlags <> DISPLAY_DEVICE_ACTIVE) then break;
      end;
   end;
end;

function ScreenMonitorName(const Index: Byte): String;
var
   DisDev, DisDevMon: TDisplayDevice;
begin
   result:= '';
   DisDev.cb:= SizeOf(TDisplayDevice);
   DisDevMon.cb:= SizeOf(TDisplayDevice);
   if EnumDisplayDevices(NIL, Index, DisDev, 0) then begin
      if DisDev.StateFlags = DISPLAY_DEVICE_MIRRORING_DRIVER then exit;
      while EnumDisplayDevices(@DisDev.DeviceName, 0, DisDevMon, 0) do begin
         result:= DisDevMon.DeviceName;
         if (DisDevMon.StateFlags <> DISPLAY_DEVICE_ACTIVE) then break;
      end;
   end;
end;
   function EnumDisplaySettingsExW(lpszDeviceName: PChar;
            iModeNum: DWord;
            lpDevMode: _devicemodeA_0500;
            dwFlags: DWord):Boolean; external 'user32.dll';

function ScreenMonitorPosition(const Index: Byte; var Point: TPoint): Boolean;

type
{   _EnumDisplaySettingsEx = function(lpszDeviceName: PChar;
                                    iModeNum: DWord;
                                    lpDevMode: _devicemodeA_0500;
                                    dwFlags: DWord):Boolean; StdCall;}
   MONITORINFO = record
      cbSize: DWord;
      rcMonitor,
      rcWork: TRect;
      dwFlags: Dword;
   end;
const
   DLLName: PChar = 'User32.dll';
   FcnName: PChar = 'EnumDisplaySettingsExW';
var
//   DLLHndl: THandle;
   bCanLoadDLL,
   bCanLoadFcn,
   bCanEnumDevice,
   bCanEnumExMonitor: Boolean;
//   EnumDisplaySettingsEx: _EnumDisplaySettingsEx;
   DisDev, DisDevMon: TDisplayDevice;
   DevMode: _devicemodeA_0500;
   MI: MONITORINFO;
   HM: THandle;
begin
   with Point do begin
      x:= 0;
      y:= 0;
   end;
   bCanLoadFcn:= FALSE;
   bCanEnumDevice:= FALSE;
   bCanEnumExMonitor:= FALSE;
   ZeroMemory(@DisDev, SizeOf(TDisplayDevice));
   DisDev.cb:= SizeOf(TDisplayDevice);
//   DLLHndl:= LoadLibrary(DLLName);
//   bCanLoadDLL:= (DLLHndl <> 0);
   if bCanLoadDLL then begin
//      EnumDisplaySettingsEx:= GetProcAddress(DLLHndl, FcnName);
//      if Assigned(EnumDisplaySettingsEx) then begin
//          bCanLoadFcn:= Assigned(EnumDisplaySettingsEx);
          bCanEnumDevice:= EnumDisplayDevices(nil, Index, DisDev, 0);
          DisDevMon.cb:= SizeOf(TDisplayDevice);
          EnumDisplayDevices(@DisDev.DeviceName, 0, DisDevMon, 0);
          ZeroMemory(@DevMode, SizeOf(_devicemodeA_0500));
          DevMode.dmSize:= SizeOf(_devicemodeA_0500);
    {ERR!}bCanEnumExMonitor:= EnumDisplaySettingsExW(@DisDev.DeviceName[0], ENUM_CURRENT_SETTINGS, DevMode, 0);
          if bCanEnumExMonitor then begin
             ZeroMemory(@MI, SizeOf(MONITORINFO));
             MI.cbSize:= SizeOf(MONITORINFO);
             if DisDev.StateFlags = DISPLAY_DEVICE_ATTACHED_TO_DESKTOP then begin
                Point.x:= DevMode.dmPosition.x;
                Point.y:= DevMode.dmPosition.y;
                hm:= MonitorFromPoint(Point, MONITOR_DEFAULTTONULL);
                 if (hm <> 0) then GetMonitorInfo(hm, @mi);
            end;
          end;
      end;
//   end;
//   FreeLibrary(DLLHndl);
   result:= bCanLoadDLL and bCanLoadFcn and bCanEnumDevice and bCanEnumExMonitor;
end;


function MenuHilightColor: TColor;
const
  COLOR_MENUHILIGHT = 29;
begin
   result:= clNone;
   if not IsWinXP then exit;
   result:= GetSysColor(COLOR_MENUHILIGHT);
end;

function MenuBarColor: TColor;
const
  COLOR_MENUBAR = 30;
begin
   result:= clNone;
   if not IsWinXP then exit;
   result:= GetSysColor(COLOR_MENUBAR);
end;

function HotLightColor: TColor;
const
  COLOR_HOTLIGHT = 26;
begin
   result:= clNone;
   if IsWin95 or IsNT351 or IsNT4 then exit;
   result:= GetSysColor(COLOR_HOTLIGHT);
end;

function ActiveCaptionGradientColor: TColor;
const
  COLOR_GRADIENTACTIVECAPTION = 27;
begin
   result:= clNone;
   if IsWin95 or IsNT351 or IsNT4 then exit;
   result:= GetSysColor(COLOR_GRADIENTACTIVECAPTION);
end;

function InactiveCaptionGradientColor: TColor;
const
  COLOR_GRADIENTINACTIVECAPTION = 28;
begin
   result:= clNone;
   if IsWin95 or IsNT351 or IsNT4 then exit;
   result:= GetSysColor(COLOR_GRADIENTINACTIVECAPTION);
end;

function MouseButtonsSwaped: Boolean;
begin
   result:= GetSystemMetrics(SM_SWAPBUTTON)<>0;
end;

function GetMenuAlignment: TDWMenuAlignment;
begin
   if GetSystemMetrics(SM_MENUDROPALIGNMENT)<>0 then
      result:= dwmaRight else
      result:= dwmaLeft;
end;

function GetMouseButtons: Integer;
begin
   result:= GetSystemMetrics(SM_CMOUSEBUTTONS);
end;

function GetMinimizedWindowArrangement: TDWMinimizedWindowArrangement;
begin
   case GetSystemMetrics(SM_ARRANGE) of
   ARW_BOTTOMRIGHT: result:= dwmwaBottomRight;
   ARW_HIDE:        result:= dwmwaHide;
   ARW_TOPLEFT:     result:= dwmwaTopLeft;
   ARW_TOPRIGHT:    result:= dwmwaTopRight
   else             result:= dwmwaBottomLeft;
   end;
end;

function NetworkIsPresent: Boolean;
begin
   result:= (GetSystemMetrics(SM_NETWORK)<>0);
end;

function GetCapslock: Boolean;
var
   KS: TKeyboardState;
begin
   GetKeyboardState(KS);
   result:= (KS[VK_CAPITAL]<>0);
end;

function GetNumLock: Boolean;
var
   KS: TKeyboardState;
begin
   GetKeyboardState(KS);
   result:= (KS[VK_NUMLOCK]<>0);
end;

function GetScrollLock: Boolean;
var
   KS: TKeyboardState;
begin
   GetKeyboardState(KS);
   result:= (KS[VK_SCROLL]<>0);
end;

procedure SetCapsLock(const CapsLockOn: Boolean);
var
   KS: TKeyboardState;
begin
   GetKeyboardState(KS);
   if CapsLockOn then KS[VK_CAPITAL]:= 1 else KS[VK_CAPITAL]:= 0;
   SetKeyboardState(KS);
end;

procedure SetNumLock(const NumLockOn: Boolean);
var
   KS: TKeyboardState;
begin
   GetKeyboardState(KS);
   if NumLockOn then KS[VK_NUMLOCK]:= 1 else KS[VK_NUMLOCK]:= 0;
   SetKeyboardState(KS);
end;

procedure SetScrollLock(const ScrollLockOn: Boolean);
var
   KS: TKeyboardState;
begin
   GetKeyboardState(KS);
   if ScrollLockOn then KS[VK_SCROLL]:= 1 else KS[VK_SCROLL]:= 0;
   SetKeyboardState(KS);
end;

function GetBootOption: TDWBootOption;
begin
   case GetSystemMetrics(SM_CLEANBOOT) of
   1: result:= dwboFailSafe;
   2: result:= dwboFailSaveNet;
   else result:= dwboNormal;
   end;
end;

function MouseHasWheel: Boolean;
begin
   result:= (GetSystemMetrics(SM_MOUSEWHEELPRESENT)<>0);
end;

function MouseIsPresent: Boolean;
begin
  result:= (GetSystemMetrics(SM_MOUSEPRESENT)<>0);
end;

procedure BuzzerSound(const Frequency: Word; const Delay: Cardinal);

 function InPort(PortAddr:word): byte; assembler; stdcall;
 asm
   mov dx,PortAddr
   in al,dx
 end;

 procedure OutPort(PortAddr: word; Databyte: byte); assembler; stdcall;
 asm
   mov al,Databyte
   mov dx,PortAddr
   out dx,al
 end;

 procedure Sound(Hz : Word);
 var TmpW : Word;
 begin
   OutPort($43,182);
   TmpW :=InPort($61);
   OutPort($61,TmpW or 3);
   OutPort($42,lo(1193180 div hz));
   OutPort($42, hi(1193180 div hz));
 end;

 procedure NoSound;
 var TmpW : Word;
 begin
   OutPort($43,182);
   TmpW := InPort($61);
   OutPort($61,TmpW and 3);
 end;

begin
 if IsNTMachine then
   Windows.Beep(Frequency, Delay) else
 begin
   Sound(Frequency);
   Sleep(Delay);
   NoSound;
 end;
end;

function AvailablePageMemory: Int64;
var
   MemStat: TMemoryStatus;
begin
   MemStat.dwLength:= SizeOf(MemStat);
   GlobalMemoryStatus(MemStat);
   result:= MemStat.dwAvailPageFile;
end;

function AvailablePhysicalMemory: Int64;
var
   MemStat: TMemoryStatus;
begin
   MemStat.dwLength:= SizeOf(MemStat);
   GlobalMemoryStatus(MemStat);
   result:= MemStat.dwAvailPhys;
end;

function AvailableVirtualMemory: Int64;
var
   MemStat: TMemoryStatus;
begin
   MemStat.dwLength:= SizeOf(MemStat);
   GlobalMemoryStatus(MemStat);
   result:= MemStat.dwAvailVirtual;
end;

function MemoryUsedPercentage: Integer;
var
   MemStat: TMemoryStatus;
begin
   MemStat.dwLength:= SizeOf(MemStat);
   GlobalMemoryStatus(MemStat);
   result:= MemStat.dwMemoryLoad;
end;

function SoundCardInstalled: Boolean;
begin
   result:= WaveOutGetNumDevs > 0;
end;

function TotalPageMemory: Int64;
var
   MemStat: TMemoryStatus;
begin
   MemStat.dwLength:= SizeOf(MemStat);
   GlobalMemoryStatus(MemStat);
   result:= MemStat.dwTotalPageFile;
end;

function TotalPhysicalMemory: Int64;
var
   MemStat: TMemoryStatus;
begin
   MemStat.dwLength:= SizeOf(MemStat);
   GlobalMemoryStatus(MemStat);
   result:= MemStat.dwTotalPhys;
end;

function TotalVirtualMemory: Int64;
var
   MemStat: TMemoryStatus;
begin
   MemStat.dwLength:= SizeOf(MemStat);
   GlobalMemoryStatus(MemStat);
   result:= MemStat.dwTotalVirtual;
end;

function EmptyRecycleBin(const Confirmation, GUI, Sound: Boolean): Boolean;
const
  SHERB_NOCONFIRMATION = $00000001;
  SHERB_NOPROGRESSUI = $00000002;
  SHERB_NOSOUND = $00000004;
type
  TSHEmptyRecycleBin = function(Wnd: HWND;
                                pszRootPath: PChar;
                                dwFlags: DWORD): HRESULT;  stdcall;
var
  SHEmptyRecycleBin: TSHEmptyRecycleBin;
  LibHandle: THandle;
  Flags: DWord;
begin  { EmptyRecycleBin }
  result:= FALSE;
  Flags:= 0;
  if not Confirmation then Flags:= Flags or SHERB_NOCONFIRMATION;
  if not GUI          then Flags:= Flags or SHERB_NOPROGRESSUI;
  if not Sound        then Flags:= Flags or SHERB_NOSOUND;
  LibHandle := LoadLibrary(PChar('Shell32.dll'));
  if LibHandle <> 0 then @SHEmptyRecycleBin :=
      GetProcAddress(LibHandle, 'SHEmptyRecycleBinA')
  else
  begin
    MessageDlg('Shell32.dll konnte nicht geladen werden.', mtError, [mbOK], 0);
    Exit;
  end;
  if @SHEmptyRecycleBin <> nil then result:= (SHEmptyRecycleBin(GetCurrentProcess, nil, Flags)=S_OK);
  FreeLibrary(LibHandle); @SHEmptyRecycleBin := nil;
end;

function FilesInRecycleBin(var FileCount: Int64): Boolean;
type
  _SHQUERYRBINFO = record
     cbSize: DWord;
     i64Sizelow, i64Sizehigh,
     i64NumItemslow, i64NumItemshigh: DWord;
  end;
  TPSHQUERYRBINFO = ^_SHQUERYRBINFO;
  TSHQueryRecycleBin = function(pszRootPath: PChar;
                                var pSHQueryRBInfo: TPSHQUERYRBINFO): HRESULT;  stdcall;
var
  SHQueryRecycleBin: TSHQueryRecycleBin;
  SHQueryRBInfo: _SHQUERYRBINFO;
  pSHQueryRBInfo : TPSHQUERYRBINFO;
  LibHandle: THandle;
begin  { EmptyRecycleBin }
  result:= FALSE;
  SHQueryRBInfo.cbSize:= SizeOf(SHQueryRBInfo);
  LibHandle := LoadLibrary(PChar('Shell32.dll'));
  if LibHandle <> 0 then @SHQueryRecycleBin :=
      GetProcAddress(LibHandle, 'SHQueryRecycleBinA')
  else
  begin
    MessageDlg('Shell32.dll konnte nicht geladen werden.', mtError, [mbOK], 0);
    Exit;
  end;
  if not Assigned(SHQueryRecycleBin) then begin
    MessageDlg('Shell32.dll konnte nicht geladen werden.', mtError, [mbOK], 0);
    Exit;
  end;

  pSHQueryRBInfo := @SHQueryRBInfo;
  SHQueryRBInfo.cbSize := sizeof(SHQueryRBInfo);
  SHQueryRBInfo.i64numitemslow := 0;
  SHQueryRBInfo.i64numitemshigh := 0;

  result:= ( SHQueryRecycleBin(PChar('c:'), pSHQueryRBInfo)=S_OK);
  filecount := SHQueryRBInfo.i64numitemslow;
  FreeLibrary(LibHandle); @SHQueryRecycleBin := nil;
end;

function CPUClock: Double;
const
 DelayTime= 500;
var
  TimerHigh,TimerLow:DWORD;
begin
  SetPriorityClass( GetCurrentProcess,REALTIME_PRIORITY_CLASS);
  SetThreadPriority( GetCurrentThread,THREAD_PRIORITY_TIME_CRITICAL);
  Sleep( 10);
  asm
    dw 310Fh
    mov TimerLow,eax
    mov TimerHigh,edx
  end;
  Sleep( DelayTime);
  asm
    dw 310Fh
    sub eax,TimerLow
    sbb edx,TimerHigh
    mov TimerLow,eax
    mov TimerHigh,edx
  end;
  Result:=TimerLow / (1000.0*DelayTime);
end;

procedure MonitorOff;
begin
   SendMessage(GetCurrentProcess, WM_SYSCOMMAND, SC_MONITORPOWER, 0);
end;

procedure MonitorOn;
begin
   SendMessage(GetCurrentProcess, WM_SYSCOMMAND, SC_MONITORPOWER, -1);
end;

procedure SetSystemClock(Year, Month, Day, Hour, Minute, Second, MSecond: Integer);
var
   SysTime: TSystemTime;
   DayTime: TDateTime;
begin
   DayTime:= EncodeDate(Year, Month, Day) +
             EncodeTime(Hour, Minute, Second, MSecond);
             DateTimeToSystemTime(DayTime, SysTime);
             SetLocalTime(SysTime);
end;

end.