TSPInterfaceDeviceDetailDataA = TSPDeviceInterfaceDetailDataA;
  TSPInterfaceDeviceDetailDataW = TSPDeviceInterfaceDetailDataW;
  TSPInterfaceDeviceDetailData = TSPInterfaceDeviceDetailDataA;
  PSPInterfaceDeviceDetailDataA = PSPDeviceInterfaceDetailDataA;
  PSPInterfaceDeviceDetailDataW = PSPDeviceInterfaceDetailDataW;
  PSPInterfaceDeviceDetailData = PSPInterfaceDeviceDetailDataA;

//
// Structure for detailed information on a device information set (used for
// SetupDiGetDeviceInfoListDetail which supercedes the functionality of
// SetupDiGetDeviceInfoListClass).
//
  PSPDevInfoListDetailDataA = ^TSPDevInfoListDetailDataA;
  PSPDevInfoListDetailDataW = ^TSPDevInfoListDetailDataW;
  PSPDevInfoListDetailData = PSPDevInfoListDetailDataA;
  _SP_DEVINFO_LIST_DETAIL_DATA_A = packed record
    cbSize: DWORD;
    ClassGuid: TGUID;
    RemoteMachineHandle: THandle;
    RemoteMachineName: array [0..SP_MAX_MACHINENAME_LENGTH - 1] of AnsiChar;
  end;
  {$EXTERNALSYM _SP_DEVINFO_LIST_DETAIL_DATA_A}
  _SP_DEVINFO_LIST_DETAIL_DATA_W = packed record
    cbSize: DWORD;
    ClassGuid: TGUID;
    RemoteMachineHandle: THandle;
    RemoteMachineName: array [0..SP_MAX_MACHINENAME_LENGTH - 1] of WideChar;
  end;
  {$EXTERNALSYM _SP_DEVINFO_LIST_DETAIL_DATA_W}
  _SP_DEVINFO_LIST_DETAIL_DATA_ = _SP_DEVINFO_LIST_DETAIL_DATA_A;
  TSPDevInfoListDetailDataA = _SP_DEVINFO_LIST_DETAIL_DATA_A;
  TSPDevInfoListDetailDataW = _SP_DEVINFO_LIST_DETAIL_DATA_W;
  TSPDevInfoListDetailData = TSPDevInfoListDetailDataA;

//
// Class installer function codes
//
const
  DIF_SELECTDEVICE                  = $00000001;
  {$EXTERNALSYM DIF_SELECTDEVICE}
  DIF_INSTALLDEVICE                 = $00000002;
  {$EXTERNALSYM DIF_INSTALLDEVICE}
  DIF_ASSIGNRESOURCES               = $00000003;
  {$EXTERNALSYM DIF_ASSIGNRESOURCES}
  DIF_PROPERTIES                    = $00000004;
  {$EXTERNALSYM DIF_PROPERTIES}
  DIF_REMOVE                        = $00000005;
  {$EXTERNALSYM DIF_REMOVE}
  DIF_FIRSTTIMESETUP                = $00000006;
  {$EXTERNALSYM DIF_FIRSTTIMESETUP}
  DIF_FOUNDDEVICE                   = $00000007;
  {$EXTERNALSYM DIF_FOUNDDEVICE}
  DIF_SELECTCLASSDRIVERS            = $00000008;
  {$EXTERNALSYM DIF_SELECTCLASSDRIVERS}
  DIF_VALIDATECLASSDRIVERS          = $00000009;
  {$EXTERNALSYM DIF_VALIDATECLASSDRIVERS}
  DIF_INSTALLCLASSDRIVERS           = $0000000A;
  {$EXTERNALSYM DIF_INSTALLCLASSDRIVERS}
  DIF_CALCDISKSPACE                 = $0000000B;
  {$EXTERNALSYM DIF_CALCDISKSPACE}
  DIF_DESTROYPRIVATEDATA            = $0000000C;
  {$EXTERNALSYM DIF_DESTROYPRIVATEDATA}
  DIF_VALIDATEDRIVER                = $0000000D;
  {$EXTERNALSYM DIF_VALIDATEDRIVER}
  DIF_MOVEDEVICE                    = $0000000E;
  {$EXTERNALSYM DIF_MOVEDEVICE}
  DIF_DETECT                        = $0000000F;
  {$EXTERNALSYM DIF_DETECT}
  DIF_INSTALLWIZARD                 = $00000010;
  {$EXTERNALSYM DIF_INSTALLWIZARD}
  DIF_DESTROYWIZARDDATA             = $00000011;
  {$EXTERNALSYM DIF_DESTROYWIZARDDATA}
  DIF_PROPERTYCHANGE                = $00000012;
  {$EXTERNALSYM DIF_PROPERTYCHANGE}
  DIF_ENABLECLASS                   = $00000013;
  {$EXTERNALSYM DIF_ENABLECLASS}
  DIF_DETECTVERIFY                  = $00000014;
  {$EXTERNALSYM DIF_DETECTVERIFY}
  DIF_INSTALLDEVICEFILES            = $00000015;
  {$EXTERNALSYM DIF_INSTALLDEVICEFILES}
  DIF_UNREMOVE                      = $00000016;
  {$EXTERNALSYM DIF_UNREMOVE}
  DIF_SELECTBESTCOMPATDRV           = $00000017;
  {$EXTERNALSYM DIF_SELECTBESTCOMPATDRV}
  DIF_ALLOW_INSTALL                 = $00000018;
  {$EXTERNALSYM DIF_ALLOW_INSTALL}
  DIF_REGISTERDEVICE                = $00000019;
  {$EXTERNALSYM DIF_REGISTERDEVICE}
  DIF_NEWDEVICEWIZARD_PRESELECT     = $0000001A;
  {$EXTERNALSYM DIF_NEWDEVICEWIZARD_PRESELECT}
  DIF_NEWDEVICEWIZARD_SELECT        = $0000001B;
  {$EXTERNALSYM DIF_NEWDEVICEWIZARD_SELECT}
  DIF_NEWDEVICEWIZARD_PREANALYZE    = $0000001C;
  {$EXTERNALSYM DIF_NEWDEVICEWIZARD_PREANALYZE}
  DIF_NEWDEVICEWIZARD_POSTANALYZE   = $0000001D;
  {$EXTERNALSYM DIF_NEWDEVICEWIZARD_POSTANALYZE}
  DIF_NEWDEVICEWIZARD_FINISHINSTALL = $0000001E;
  {$EXTERNALSYM DIF_NEWDEVICEWIZARD_FINISHINSTALL}
  DIF_UNUSED1                       = $0000001F;
  {$EXTERNALSYM DIF_UNUSED1}
  DIF_INSTALLINTERFACES             = $00000020;
  {$EXTERNALSYM DIF_INSTALLINTERFACES}
  DIF_DETECTCANCEL                  = $00000021;
  {$EXTERNALSYM DIF_DETECTCANCEL}
  DIF_REGISTER_COINSTALLERS         = $00000022;
  {$EXTERNALSYM DIF_REGISTER_COINSTALLERS}
  DIF_ADDPROPERTYPAGE_ADVANCED      = $00000023;
  {$EXTERNALSYM DIF_ADDPROPERTYPAGE_ADVANCED}
  DIF_ADDPROPERTYPAGE_BASIC         = $00000024;
  {$EXTERNALSYM DIF_ADDPROPERTYPAGE_BASIC}
  DIF_RESERVED1                     = $00000025;
  {$EXTERNALSYM DIF_RESERVED1}
  DIF_TROUBLESHOOTER                = $00000026;
  {$EXTERNALSYM DIF_TROUBLESHOOTER}
  DIF_POWERMESSAGEWAKE              = $00000027;
  {$EXTERNALSYM DIF_POWERMESSAGEWAKE}

type
  DI_FUNCTION = UINT;    // Function type for device installer
  {$EXTERNALSYM DI_FUNCTION}

//
// Device installation parameters structure (associated with a
// particular device information element, or globally with a device
// information set)
//
  PSPDevInstallParamsA = ^TSPDevInstallParamsA;
  PSPDevInstallParamsW = ^TSPDevInstallParamsW;
  PSPDevInstallParams = PSPDevInstallParamsA;
  _SP_DEVINSTALL_PARAMS_A = packed record
    cbSize: DWORD;
    Flags: DWORD;
    FlagsEx: DWORD;
    hwndParent: HWND;
    InstallMsgHandler: TSPFileCallback;
    InstallMsgHandlerContext: Pointer;
    FileQueue: HSPFILEQ;
    ClassInstallReserved: ULONG_PTR;
    Reserved: DWORD;
    DriverPath: array [0..MAX_PATH - 1] of AnsiChar;
  end;
  {$EXTERNALSYM _SP_DEVINSTALL_PARAMS_A}
  _SP_DEVINSTALL_PARAMS_W = packed record
    cbSize: DWORD;
    Flags: DWORD;
    FlagsEx: DWORD;
    hwndParent: HWND;
    InstallMsgHandler: TSPFileCallback;
    InstallMsgHandlerContext: Pointer;
    FileQueue: HSPFILEQ;
    ClassInstallReserved: ULONG_PTR;
    Reserved: DWORD;
    DriverPath: array [0..MAX_PATH - 1] of WideChar;
  end;
  {$EXTERNALSYM _SP_DEVINSTALL_PARAMS_W}
  _SP_DEVINSTALL_PARAMS_ = _SP_DEVINSTALL_PARAMS_A;
  TSPDevInstallParamsA = _SP_DEVINSTALL_PARAMS_A;
  TSPDevInstallParamsW = _SP_DEVINSTALL_PARAMS_W;
  TSPDevInstallParams = TSPDevInstallParamsA;

//
// SP_DEVINSTALL_PARAMS.Flags values
//
// Flags for choosing a device
//
const
  DI_SHOWOEM       = $00000001; // support Other... button
  {$EXTERNALSYM DI_SHOWOEM}
  DI_SHOWCOMPAT    = $00000002; // show compatibility list
  {$EXTERNALSYM DI_SHOWCOMPAT}
  DI_SHOWCLASS     = $00000004; // show class list
  {$EXTERNALSYM DI_SHOWCLASS}
  DI_SHOWALL       = $00000007; // both class & compat list shown
  {$EXTERNALSYM DI_SHOWALL}
  DI_NOVCP         = $00000008; // don't create a new copy queue--use
  {$EXTERNALSYM DI_NOVCP}     // caller-supplied FileQueue
  DI_DIDCOMPAT     = $00000010; // Searched for compatible devices
  {$EXTERNALSYM DI_DIDCOMPAT}
  DI_DIDCLASS      = $00000020; // Searched for class devices
  {$EXTERNALSYM DI_DIDCLASS}
  DI_AUTOASSIGNRES = $00000040; // No UI for resources if possible
  {$EXTERNALSYM DI_AUTOASSIGNRES}

// flags returned by DiInstallDevice to indicate need to reboot/restart
  DI_NEEDRESTART = $00000080; // Reboot required to take effect
  {$EXTERNALSYM DI_NEEDRESTART}
  DI_NEEDREBOOT  = $00000100; // ""
  {$EXTERNALSYM DI_NEEDREBOOT}

// flags for device installation
  DI_NOBROWSE = $00000200; // no Browse... in InsertDisk
  {$EXTERNALSYM DI_NOBROWSE}

// Flags set by DiBuildDriverInfoList
  DI_MULTMFGS = $00000400;   // Set if multiple manufacturers in
  {$EXTERNALSYM DI_MULTMFGS} // class driver list

// Flag indicates that device is disabled
  DI_DISABLED = $00000800; // Set if device disabled
  {$EXTERNALSYM DI_DISABLED}

// Flags for Device/Class Properties
  DI_GENERALPAGE_ADDED  = $00001000;
  {$EXTERNALSYM DI_GENERALPAGE_ADDED}
  DI_RESOURCEPAGE_ADDED = $00002000;
  {$EXTERNALSYM DI_RESOURCEPAGE_ADDED}

// Flag to indicate the setting properties for this Device (or class) caused a change
// so the Dev Mgr UI probably needs to be updatd.
  DI_PROPERTIES_CHANGE = $00004000;
  {$EXTERNALSYM DI_PROPERTIES_CHANGE}

// Flag to indicate that the sorting from the INF file should be used.
  DI_INF_IS_SORTED = $00008000;
  {$EXTERNALSYM DI_INF_IS_SORTED}

// Flag to indicate that only the the INF specified by SP_DEVINSTALL_PARAMS.DriverPath
// should be searched.
  DI_ENUMSINGLEINF = $00010000;
  {$EXTERNALSYM DI_ENUMSINGLEINF}

// Flag that prevents ConfigMgr from removing/re-enumerating devices during device
// registration, installation, and deletion.
  DI_DONOTCALLCONFIGMG = $00020000;
  {$EXTERNALSYM DI_DONOTCALLCONFIGMG}

// The following flag can be used to install a device disabled
  DI_INSTALLDISABLED = $00040000;
  {$EXTERNALSYM DI_INSTALLDISABLED}

// Flag that causes SetupDiBuildDriverInfoList to build a device's compatible driver
// list from its existing class driver list, instead of the normal INF search.
  DI_COMPAT_FROM_CLASS = $00080000;
  {$EXTERNALSYM DI_COMPAT_FROM_CLASS}

// This flag is set if the Class Install params should be used.
  DI_CLASSINSTALLPARAMS = $00100000;
  {$EXTERNALSYM DI_CLASSINSTALLPARAMS}

// This flag is set if the caller of DiCallClassInstaller does NOT
// want the internal default action performed if the Class installer
// returns ERROR_DI_DO_DEFAULT.
  DI_NODI_DEFAULTACTION = $00200000;
  {$EXTERNALSYM DI_NODI_DEFAULTACTION}

// The setupx flag, DI_NOSYNCPROCESSING (0x00400000L) is not support in the Setup APIs.

// flags for device installation
  DI_QUIETINSTALL        = $00800000; // don't confuse the user with
  {$EXTERNALSYM DI_QUIETINSTALL}      // questions or excess info
  DI_NOFILECOPY          = $01000000; // No file Copy necessary
  {$EXTERNALSYM DI_NOFILECOPY}
  DI_FORCECOPY           = $02000000; // Force files to be copied from install path
  {$EXTERNALSYM DI_FORCECOPY}
  DI_DRIVERPAGE_ADDED    = $04000000; // Prop provider added Driver page.
  {$EXTERNALSYM DI_DRIVERPAGE_ADDED}
  DI_USECI_SELECTSTRINGS = $08000000; // Use Class Installer Provided strings in the Select Device Dlg
  {$EXTERNALSYM DI_USECI_SELECTSTRINGS}
  DI_OVERRIDE_INFFLAGS   = $10000000; // Override INF flags
  {$EXTERNALSYM DI_OVERRIDE_INFFLAGS}
  DI_PROPS_NOCHANGEUSAGE = $20000000; // No Enable/Disable in General Props
  {$EXTERNALSYM DI_PROPS_NOCHANGEUSAGE}

  DI_NOSELECTICONS       = $40000000; // No small icons in select device dialogs
  {$EXTERNALSYM DI_NOSELECTICONS}

  DI_NOWRITE_IDS         = DWORD($80000000); // Don't write HW & Compat IDs on install
  {$EXTERNALSYM DI_NOWRITE_IDS}

//
// SP_DEVINSTALL_PARAMS.FlagsEx values
//
  DI_FLAGSEX_USEOLDINFSEARCH          = $00000001; // Inf Search functions should not use Index Search
  {$EXTERNALSYM DI_FLAGSEX_USEOLDINFSEARCH}
  DI_FLAGSEX_AUTOSELECTRANK0          = $00000002; // SetupDiSelectDevice doesn't prompt user if rank 0 match
  {$EXTERNALSYM DI_FLAGSEX_AUTOSELECTRANK0}
  DI_FLAGSEX_CI_FAILED                = $00000004; // Failed to Load/Call class installer
  {$EXTERNALSYM DI_FLAGSEX_CI_FAILED}

  DI_FLAGSEX_DIDINFOLIST              = $00000010; // Did the Class Info List
  {$EXTERNALSYM DI_FLAGSEX_DIDINFOLIST}
  DI_FLAGSEX_DIDCOMPATINFO            = $00000020; // Did the Compat Info List
  {$EXTERNALSYM DI_FLAGSEX_DIDCOMPATINFO}

  DI_FLAGSEX_FILTERCLASSES            = $00000040;
  {$EXTERNALSYM DI_FLAGSEX_FILTERCLASSES}
  DI_FLAGSEX_SETFAILEDINSTALL         = $00000080;
  {$EXTERNALSYM DI_FLAGSEX_SETFAILEDINSTALL}
  DI_FLAGSEX_DEVICECHANGE             = $00000100;
  {$EXTERNALSYM DI_FLAGSEX_DEVICECHANGE}
  DI_FLAGSEX_ALWAYSWRITEIDS           = $00000200;
  {$EXTERNALSYM DI_FLAGSEX_ALWAYSWRITEIDS}
  DI_FLAGSEX_PROPCHANGE_PENDING       = $00000400; // One or more device property sheets have had changes made
  {$EXTERNALSYM DI_FLAGSEX_PROPCHANGE_PENDING}     // to them, and need to have a DIF_PROPERTYCHANGE occur.

  DI_FLAGSEX_ALLOWEXCLUDEDDRVS        = $00000800;
  {$EXTERNALSYM DI_FLAGSEX_ALLOWEXCLUDEDDRVS}
  DI_FLAGSEX_NOUIONQUERYREMOVE        = $00001000;
  {$EXTERNALSYM DI_FLAGSEX_NOUIONQUERYREMOVE}
  DI_FLAGSEX_USECLASSFORCOMPAT        = $00002000; // Use the device's class when building compat drv list.
  {$EXTERNALSYM DI_FLAGSEX_USECLASSFORCOMPAT}      // (Ignored if DI_COMPAT_FROM_CLASS flag is specified.)
  DI_FLAGSEX_OLDINF_IN_CLASSLIST      = $00004000; // Search legacy INFs when building class driver list.
  {$EXTERNALSYM DI_FLAGSEX_OLDINF_IN_CLASSLIST}
  DI_FLAGSEX_NO_DRVREG_MODIFY         = $00008000; // Don't run AddReg and DelReg for device's software (driver) key.
  {$EXTERNALSYM DI_FLAGSEX_NO_DRVREG_MODIFY}
  DI_FLAGSEX_IN_SYSTEM_SETUP          = $00010000; // Installation is occurring during initial system setup.
  {$EXTERNALSYM DI_FLAGSEX_IN_SYSTEM_SETUP}
  DI_FLAGSEX_INET_DRIVER              = $00020000; // Driver came from Windows Update
  {$EXTERNALSYM DI_FLAGSEX_INET_DRIVER}
  DI_FLAGSEX_APPENDDRIVERLIST         = $00040000; // Cause SetupDiBuildDriverInfoList to append
  {$EXTERNALSYM DI_FLAGSEX_APPENDDRIVERLIST}       // a new driver list to an existing list.
  DI_FLAGSEX_PREINSTALLBACKUP         = $00080000; // backup all files required by old inf before install
  {$EXTERNALSYM DI_FLAGSEX_PREINSTALLBACKUP}
  DI_FLAGSEX_BACKUPONREPLACE          = $00100000; // backup files required by old inf as they are replaced
  {$EXTERNALSYM DI_FLAGSEX_BACKUPONREPLACE}
  DI_FLAGSEX_DRIVERLIST_FROM_URL      = $00200000; // build driver list from INF(s) retrieved from URL specified
  {$EXTERNALSYM DI_FLAGSEX_DRIVERLIST_FROM_URL}
                                                   // in SP_DEVINSTALL_PARAMS.DriverPath (empty string means
                                                   // Windows Update website)
  DI_FLAGSEX_RESERVED1                = $00400000;
  {$EXTERNALSYM DI_FLAGSEX_RESERVED1}
  DI_FLAGSEX_EXCLUDE_OLD_INET_DRIVERS = $00800000; // Don't include old Internet drivers when building
  {$EXTERNALSYM DI_FLAGSEX_EXCLUDE_OLD_INET_DRIVERS}
                                                   // a driver list.
  DI_FLAGSEX_POWERPAGE_ADDED          = $01000000; // class installer added their own power page
  {$EXTERNALSYM DI_FLAGSEX_POWERPAGE_ADDED}

//
// Class installation parameters header.  This must be the first field of any
// class install parameter structure.  The InstallFunction field must be set to
// the function code corresponding to the structure, and the cbSize field must
// be set to the size of the header structure.  E.g.,
//
// SP_ENABLECLASS_PARAMS EnableClassParams;
//
// EnableClassParams.ClassInstallHeader.cbSize = sizeof(SP_CLASSINSTALL_HEADER);
// EnableClassParams.ClassInstallHeader.InstallFunction = DIF_ENABLECLASS;
//
type
  PSPClassInstallHeader = ^TSPClassInstallHeader;
  _SP_CLASSINSTALL_HEADER = packed record
    cbSize: DWORD;
    InstallFunction: DI_FUNCTION;
  end;
  {$EXTERNALSYM _SP_CLASSINSTALL_HEADER}
  TSPClassInstallHeader = _SP_CLASSINSTALL_HEADER;

//
// Structure corresponding to a DIF_ENABLECLASS install function.