typedef struct _SOURCE_MEDIA_W {
    PCWSTR Reserved;
    PCWSTR Tagfile;         // may be NULL
    PCWSTR Description;
    //
    // Pathname part and filename part of source file
    // that caused us to need the media.
    //
    PCWSTR SourcePath;
    PCWSTR SourceFile;
    DWORD  Flags;           // subset of SP_COPY_xxx
} SOURCE_MEDIA_W, *PSOURCE_MEDIA_W;

#ifdef UNICODE
typedef SOURCE_MEDIA_W SOURCE_MEDIA;
typedef PSOURCE_MEDIA_W PSOURCE_MEDIA;
#else
typedef SOURCE_MEDIA_A SOURCE_MEDIA;
typedef PSOURCE_MEDIA_A PSOURCE_MEDIA;
#endif

//
// Structure used with SPFILENOTIFY_CABINETINFO and
// SPFILENOTIFY_NEEDNEWCABINET
//
typedef struct _CABINET_INFO_A {
    PCSTR CabinetPath;
    PCSTR CabinetFile;
    PCSTR DiskName;
    USHORT SetId;
    USHORT CabinetNumber;
} CABINET_INFO_A, *PCABINET_INFO_A;

typedef struct _CABINET_INFO_W {
    PCWSTR CabinetPath;
    PCWSTR CabinetFile;
    PCWSTR DiskName;
    USHORT SetId;
    USHORT CabinetNumber;
} CABINET_INFO_W, *PCABINET_INFO_W;

#ifdef UNICODE
typedef CABINET_INFO_W CABINET_INFO;
typedef PCABINET_INFO_W PCABINET_INFO;
#else
typedef CABINET_INFO_A CABINET_INFO;
typedef PCABINET_INFO_A PCABINET_INFO;
#endif

//
// Structure used with SPFILENOTIFY_FILEINCABINET
//
typedef struct _FILE_IN_CABINET_INFO_A {
    PCSTR NameInCabinet;
    DWORD FileSize;
    DWORD Win32Error;
    WORD  DosDate;
    WORD  DosTime;
    WORD  DosAttribs;
    CHAR  FullTargetName[MAX_PATH];
} FILE_IN_CABINET_INFO_A, *PFILE_IN_CABINET_INFO_A;

typedef struct _FILE_IN_CABINET_INFO_W {
    PCWSTR NameInCabinet;
    DWORD  FileSize;
    DWORD  Win32Error;
    WORD   DosDate;
    WORD   DosTime;
    WORD   DosAttribs;
    WCHAR  FullTargetName[MAX_PATH];
} FILE_IN_CABINET_INFO_W, *PFILE_IN_CABINET_INFO_W;

#ifdef UNICODE
typedef FILE_IN_CABINET_INFO_W FILE_IN_CABINET_INFO;
typedef PFILE_IN_CABINET_INFO_W PFILE_IN_CABINET_INFO;
#else
typedef FILE_IN_CABINET_INFO_A FILE_IN_CABINET_INFO;
typedef PFILE_IN_CABINET_INFO_A PFILE_IN_CABINET_INFO;
#endif


//
// Define type for setup file queue
//
typedef PVOID HSPFILEQ;

//
// Structure used with SetupQueueCopyIndirect
//
typedef struct _SP_FILE_COPY_PARAMS_A {
    DWORD    cbSize;
    HSPFILEQ QueueHandle;
    PCSTR    SourceRootPath;     OPTIONAL
    PCSTR    SourcePath;         OPTIONAL
    PCSTR    SourceFilename;
    PCSTR    SourceDescription;  OPTIONAL
    PCSTR    SourceTagfile;      OPTIONAL
    PCSTR    TargetDirectory;
    PCSTR    TargetFilename;     OPTIONAL
    DWORD    CopyStyle;
    HINF     LayoutInf;          OPTIONAL
    PCSTR    SecurityDescriptor; OPTIONAL
} SP_FILE_COPY_PARAMS_A, *PSP_FILE_COPY_PARAMS_A;

typedef struct _SP_FILE_COPY_PARAMS_W {
    DWORD    cbSize;
    HSPFILEQ QueueHandle;
    PCWSTR   SourceRootPath;     OPTIONAL
    PCWSTR   SourcePath;         OPTIONAL
    PCWSTR   SourceFilename;
    PCWSTR   SourceDescription;  OPTIONAL
    PCWSTR   SourceTagfile;      OPTIONAL
    PCWSTR   TargetDirectory;
    PCWSTR   TargetFilename;     OPTIONAL
    DWORD    CopyStyle;
    HINF     LayoutInf;          OPTIONAL
    PCWSTR   SecurityDescriptor; OPTIONAL
} SP_FILE_COPY_PARAMS_W, *PSP_FILE_COPY_PARAMS_W;

#ifdef UNICODE
typedef SP_FILE_COPY_PARAMS_W SP_FILE_COPY_PARAMS;
typedef PSP_FILE_COPY_PARAMS_W PSP_FILE_COPY_PARAMS;
#else
typedef SP_FILE_COPY_PARAMS_A SP_FILE_COPY_PARAMS;
typedef PSP_FILE_COPY_PARAMS_A PSP_FILE_COPY_PARAMS;
#endif


//
// Define type for setup disk space list
//
typedef PVOID HDSKSPC;

//
// Define type for reference to device information set
//
typedef PVOID HDEVINFO;

//
// Device information structure (references a device instance
// that is a member of a device information set)
//
typedef struct _SP_DEVINFO_DATA {
    DWORD cbSize;
    GUID  ClassGuid;
    DWORD DevInst;    // DEVINST handle
    ULONG_PTR Reserved;
} SP_DEVINFO_DATA, *PSP_DEVINFO_DATA;

//
// Device interface information structure (references a device
// interface that is associated with the device information
// element that owns it).
//
typedef struct _SP_DEVICE_INTERFACE_DATA {
    DWORD cbSize;
    GUID  InterfaceClassGuid;
    DWORD Flags;
    ULONG_PTR Reserved;
} SP_DEVICE_INTERFACE_DATA, *PSP_DEVICE_INTERFACE_DATA;

//
// Flags for SP_DEVICE_INTERFACE_DATA.Flags field.
//
#define SPINT_ACTIVE  0x00000001
#define SPINT_DEFAULT 0x00000002
#define SPINT_REMOVED 0x00000004

//
// Backward compatibility--do not use.
//
typedef SP_DEVICE_INTERFACE_DATA  SP_INTERFACE_DEVICE_DATA;
typedef PSP_DEVICE_INTERFACE_DATA PSP_INTERFACE_DEVICE_DATA;
#define SPID_ACTIVE               SPINT_ACTIVE
#define SPID_DEFAULT              SPINT_DEFAULT
#define SPID_REMOVED              SPINT_REMOVED


typedef struct _SP_DEVICE_INTERFACE_DETAIL_DATA_A {
    DWORD  cbSize;
    CHAR   DevicePath[ANYSIZE_ARRAY];
} SP_DEVICE_INTERFACE_DETAIL_DATA_A, *PSP_DEVICE_INTERFACE_DETAIL_DATA_A;

typedef struct _SP_DEVICE_INTERFACE_DETAIL_DATA_W {
    DWORD  cbSize;
    WCHAR  DevicePath[ANYSIZE_ARRAY];
} SP_DEVICE_INTERFACE_DETAIL_DATA_W, *PSP_DEVICE_INTERFACE_DETAIL_DATA_W;

#ifdef UNICODE
typedef SP_DEVICE_INTERFACE_DETAIL_DATA_W SP_DEVICE_INTERFACE_DETAIL_DATA;
typedef PSP_DEVICE_INTERFACE_DETAIL_DATA_W PSP_DEVICE_INTERFACE_DETAIL_DATA;
#else
typedef SP_DEVICE_INTERFACE_DETAIL_DATA_A SP_DEVICE_INTERFACE_DETAIL_DATA;
typedef PSP_DEVICE_INTERFACE_DETAIL_DATA_A PSP_DEVICE_INTERFACE_DETAIL_DATA;
#endif

//
// Backward compatibility--do not use.
//
typedef SP_DEVICE_INTERFACE_DETAIL_DATA_W SP_INTERFACE_DEVICE_DETAIL_DATA_W;
typedef PSP_DEVICE_INTERFACE_DETAIL_DATA_W PSP_INTERFACE_DEVICE_DETAIL_DATA_W;
typedef SP_DEVICE_INTERFACE_DETAIL_DATA_A SP_INTERFACE_DEVICE_DETAIL_DATA_A;
typedef PSP_DEVICE_INTERFACE_DETAIL_DATA_A PSP_INTERFACE_DEVICE_DETAIL_DATA_A;
#ifdef UNICODE
typedef SP_INTERFACE_DEVICE_DETAIL_DATA_W SP_INTERFACE_DEVICE_DETAIL_DATA;
typedef PSP_INTERFACE_DEVICE_DETAIL_DATA_W PSP_INTERFACE_DEVICE_DETAIL_DATA;
#else
typedef SP_INTERFACE_DEVICE_DETAIL_DATA_A SP_INTERFACE_DEVICE_DETAIL_DATA;
typedef PSP_INTERFACE_DEVICE_DETAIL_DATA_A PSP_INTERFACE_DEVICE_DETAIL_DATA;
#endif


//
// Structure for detailed information on a device information set (used for
// SetupDiGetDeviceInfoListDetail which supercedes the functionality of
// SetupDiGetDeviceInfoListClass).
//
typedef struct _SP_DEVINFO_LIST_DETAIL_DATA_A {
    DWORD  cbSize;
    GUID   ClassGuid;
    HANDLE RemoteMachineHandle;
    CHAR   RemoteMachineName[SP_MAX_MACHINENAME_LENGTH];
} SP_DEVINFO_LIST_DETAIL_DATA_A, *PSP_DEVINFO_LIST_DETAIL_DATA_A;

typedef struct _SP_DEVINFO_LIST_DETAIL_DATA_W {
    DWORD  cbSize;
    GUID   ClassGuid;
    HANDLE RemoteMachineHandle;
    WCHAR  RemoteMachineName[SP_MAX_MACHINENAME_LENGTH];
} SP_DEVINFO_LIST_DETAIL_DATA_W, *PSP_DEVINFO_LIST_DETAIL_DATA_W;

#ifdef UNICODE
typedef SP_DEVINFO_LIST_DETAIL_DATA_W SP_DEVINFO_LIST_DETAIL_DATA;
typedef PSP_DEVINFO_LIST_DETAIL_DATA_W PSP_DEVINFO_LIST_DETAIL_DATA;
#else
typedef SP_DEVINFO_LIST_DETAIL_DATA_A SP_DEVINFO_LIST_DETAIL_DATA;
typedef PSP_DEVINFO_LIST_DETAIL_DATA_A PSP_DEVINFO_LIST_DETAIL_DATA;
#endif


//
// Class installer function codes
//
#define DIF_SELECTDEVICE                    0x00000001
#define DIF_INSTALLDEVICE                   0x00000002
#define DIF_ASSIGNRESOURCES                 0x00000003
#define DIF_PROPERTIES                      0x00000004
#define DIF_REMOVE                          0x00000005
#define DIF_FIRSTTIMESETUP                  0x00000006
#define DIF_FOUNDDEVICE                     0x00000007
#define DIF_SELECTCLASSDRIVERS              0x00000008
#define DIF_VALIDATECLASSDRIVERS            0x00000009
#define DIF_INSTALLCLASSDRIVERS             0x0000000A
#define DIF_CALCDISKSPACE                   0x0000000B
#define DIF_DESTROYPRIVATEDATA              0x0000000C
#define DIF_VALIDATEDRIVER                  0x0000000D
#define DIF_MOVEDEVICE                      0x0000000E
#define DIF_DETECT                          0x0000000F
#define DIF_INSTALLWIZARD                   0x00000010
#define DIF_DESTROYWIZARDDATA               0x00000011
#define DIF_PROPERTYCHANGE                  0x00000012
#define DIF_ENABLECLASS                     0x00000013
#define DIF_DETECTVERIFY                    0x00000014
#define DIF_INSTALLDEVICEFILES              0x00000015
#define DIF_UNREMOVE                        0x00000016
#define DIF_SELECTBESTCOMPATDRV             0x00000017
#define DIF_ALLOW_INSTALL                   0x00000018
#define DIF_REGISTERDEVICE                  0x00000019
#define DIF_NEWDEVICEWIZARD_PRESELECT       0x0000001A
#define DIF_NEWDEVICEWIZARD_SELECT          0x0000001B
#define DIF_NEWDEVICEWIZARD_PREANALYZE      0x0000001C
#define DIF_NEWDEVICEWIZARD_POSTANALYZE     0x0000001D
#define DIF_NEWDEVICEWIZARD_FINISHINSTALL   0x0000001E
#define DIF_UNUSED1                         0x0000001F
#define DIF_INSTALLINTERFACES               0x00000020
#define DIF_DETECTCANCEL                    0x00000021
#define DIF_REGISTER_COINSTALLERS           0x00000022
#define DIF_ADDPROPERTYPAGE_ADVANCED        0x00000023
#define DIF_ADDPROPERTYPAGE_BASIC           0x00000024
#define DIF_RESERVED1                       0x00000025
#define DIF_TROUBLESHOOTER                  0x00000026
#define DIF_POWERMESSAGEWAKE                0x00000027

typedef UINT        DI_FUNCTION;    // Function type for device installer


//
// Device installation parameters structure (associated with a
// particular device information element, or globally with a device
// information set)
//
typedef struct _SP_DEVINSTALL_PARAMS_A {
    DWORD             cbSize;
    DWORD             Flags;
    DWORD             FlagsEx;
    HWND              hwndParent;
    PSP_FILE_CALLBACK InstallMsgHandler;
    PVOID             InstallMsgHandlerContext;
    HSPFILEQ          FileQueue;
    ULONG_PTR         ClassInstallReserved;
    DWORD             Reserved;
    CHAR              DriverPath[MAX_PATH];
} SP_DEVINSTALL_PARAMS_A, *PSP_DEVINSTALL_PARAMS_A;

typedef struct _SP_DEVINSTALL_PARAMS_W {
    DWORD             cbSize;
    DWORD             Flags;
    DWORD             FlagsEx;
    HWND              hwndParent;
    PSP_FILE_CALLBACK InstallMsgHandler;
    PVOID             InstallMsgHandlerContext;
    HSPFILEQ          FileQueue;
    ULONG_PTR         ClassInstallReserved;
    DWORD             Reserved;
    WCHAR             DriverPath[MAX_PATH];
} SP_DEVINSTALL_PARAMS_W, *PSP_DEVINSTALL_PARAMS_W;

#ifdef UNICODE
typedef SP_DEVINSTALL_PARAMS_W SP_DEVINSTALL_PARAMS;
typedef PSP_DEVINSTALL_PARAMS_W PSP_DEVINSTALL_PARAMS;
#else
typedef SP_DEVINSTALL_PARAMS_A SP_DEVINSTALL_PARAMS;
typedef PSP_DEVINSTALL_PARAMS_A PSP_DEVINSTALL_PARAMS;
#endif


//
// SP_DEVINSTALL_PARAMS.Flags values
//
// Flags for choosing a device
//
#define DI_SHOWOEM                  0x00000001L     // support Other... button
#define DI_SHOWCOMPAT               0x00000002L     // show compatibility list
#define DI_SHOWCLASS                0x00000004L     // show class list
#define DI_SHOWALL                  0x00000007L     // both class & compat list shown
#define DI_NOVCP                    0x00000008L     // don't create a new copy queue--use
                                                    // caller-supplied FileQueue
#define DI_DIDCOMPAT                0x00000010L     // Searched for compatible devices
#define DI_DIDCLASS                 0x00000020L     // Searched for class devices
#define DI_AUTOASSIGNRES            0x00000040L     // No UI for resources if possible

// flags returned by DiInstallDevice to indicate need to reboot/restart
#define DI_NEEDRESTART              0x00000080L     // Reboot required to take effect
#define DI_NEEDREBOOT               0x00000100L     // ""

// flags for device installation
#define DI_NOBROWSE                 0x00000200L     // no Browse... in InsertDisk

// Flags set by DiBuildDriverInfoList
#define DI_MULTMFGS                 0x00000400L     // Set if multiple manufacturers in
                                                    // class driver list

// Flag indicates that device is disabled
#define DI_DISABLED                 0x00000800L     // Set if device disabled

// Flags for Device/Class Properties
#define DI_GENERALPAGE_ADDED        0x00001000L
#define DI_RESOURCEPAGE_ADDED       0x00002000L

// Flag to indicate the setting properties for this Device (or class) caused a change
// so the Dev Mgr UI probably needs to be updatd.
#define DI_PROPERTIES_CHANGE        0x00004000L

// Flag to indicate that the sorting from the INF file should be used.
#define DI_INF_IS_SORTED            0x00008000L