/* Original View help instance thing */

typedef void* PIOINFO;
typedef void* PMNODE;
typedef void* PPAGE;
typedef void* PHISTORYINFO;
typedef void* PLIBRARYINFO;
typedef void* PINXDATA;
typedef void* PINDEX;
typedef void* PTOCDATA;
typedef USHORT COUNTU;
typedef void* PTOCITEM;
typedef void* PBMINFO;
typedef void* PEXTLNKDATA;
typedef USHORT INX;
typedef void* PFONTDATA;
typedef void* PUSERINFO;
typedef USHORT CP;

typedef void* PHELPTABLEX;

   /* define instance data */
typedef struct instance
{
   PIOINFO      IOInfo;                        /* active database */
   PIOINFO      IOInfoRoot;                    /* list of database */
   ULONG        LastError;
   USHORT       BmOrHm;                        /* TRUE BM else HM */
   HWND         hwndInstance;                  /* instance object window 
hwnd*/
   HWND         BmHelpInstance;                /* handle to BM help inst 
*/
   PMNODE       MemRoot;
   PMNODE       TOCMemRoot; 
   PMNODE       IndexMemRoot;
   USHORT       StatusFlag;
   USHORT       WindowStatus;
   HWND         CoverPageFhWnd;
   HWND         CoverPageChWnd;
   HWND         TOCFhWnd;
   HWND         TOCChWnd;
   HWND         IndexFhWnd;
   HWND         IndexChWnd;
   HWND         SearchFhWnd;
   HWND         HistoryFhWnd;
   HWND         LibraryFhWnd;
   PPAGE        PageRoot;                      /* active viewport ptr */ 
   PPAGE        PageLinkRoot;                  /* root of viewport list */
   PPAGE        ParentPage;                    /* Parent page of current 
page */
   PHISTORYINFO HistoryInfo;
   PLIBRARYINFO LibraryInfo;
   PCH          SearchStr;
   USHORT       SearchFlag;             /* if set search page before 
display */
   ULONG        FirstWord;              /* previous page first word index 
*/
   USHORT       TotNumIndexEntries;
   PINDEX      *IndexRoot;       /* pointer to the root of indexes array 
*/
   PCH          PageTitle;
   PTOCDATA     TOCData;         /* pointer to the TOC control data struct 
*/
                                 /* @CGA */
   COUNTU       TotNumTOCEntries;/* total number of mult toc entry */
   PTOCITEM    *TOCRoot;         /* pointer to the first item in TOC array 
*/
   PINXDATA     IndexData;       /* pointer to the INX control data struct 
*/
   PINDEX      *SearchIndexRoot; /* pointer to the root of search index 
array */
   BYTE         TOCUseCount;     /* use count for toc */
   BYTE         IndexUseCount;   /* use count for Index */
   USHORT       IndexMode;       /* flag for ICmd or main Index mode */
   PBMINFO      BMInfo;          /* pointer to the bookmark info structure 
*/
   PFNWP   FrameProcAdr;                  /* frame proc adr */
   USHORT  LineHeight;                    /* fix scroll line height */
   USHORT  StdCharWidth;                  /* default font width */
   USHORT  StdCharDescender;              /* default max descender */
   USHORT  CharHeight;                    /* local font height */ 
   USHORT  CharWidth;                     /* local font width */ 
   USHORT  CharDescender;                 /* loacal max descender */
   USHORT  PMIconWidth;                   /* + & - Icon width */
   HBITMAP HPBitmap;                      /* handle of + bitmap */
   HBITMAP HMBitmap;                      /* handle of - Bitmap */
   USHORT  ScrX;                          /* screen height */
   USHORT  ScrY;                          /* screen width */
   USHORT  NextWindowID;                  /* id for next toc window */
   USHORT  CxBorder;                      /* thicknes of cx border */
   USHORT  CyBorder;                      /* thicknes of cy border */
   CP      GCPData;
   INX     ActiveTOCIndex;                /* TOC index for active page */
   HACCEL  ChildSyshAccel;                /* common sys menu for all child 
wnd*/
   HBITMAP ChildSysHBitmap;               /* common sys menu bitmap handle 
*/
   HAB         hAB;                       /* apps hab if help manager */
   HMODULE     hwndModule;                /* help dll module */
   PCH         HelpWindowTitle;           /* Help window title */
   PHELPTABLEX RootHelpTable;             /* Main help table */
   USHORT      HelpTableID;               /* Help table ID */
   USHORT      ShowPanelID;               /* Show panel id flag */
   USHORT      HelpHelpID;                /* Help on help panel ID */
   HWND        hwndAssociated;            /* this instance is associated 
*/
   HWND        hwndActiveWindow;          /* active window handle */
   HWND        hwndRelativeWindow;        /* Relative window handle */
   HMODULE     hmodAccelActionBarModule;
   ULONG       idAccelTable;              /* @WRN */
   ULONG       idActionBar;               /* @WRN */
   PCH         GTutorial;                 /* globle tutorial name */
   PCH         LTutorial;                 /* local tutorial name */
   ULONG       HorzPelsPerPointSize;
   ULONG       VertPelsPerPointSize;
   HMODULE     hACVPModule;               /* globle AC viewport DLL handle 
*/
   HWND        ACVPComhWnd;               /* AC viewport communication 
hwnd */
   PEXTLNKDATA pExtLnkData;               /* TOC new style passing info */
   HWND        BMBasehWnd;                /* book manager base window 
handle */
   HWND        BMBookhWnd;                /* book manager book handle */
   USHORT      Entry16; 
   PRECTL      pCoverPageRect;       /* pointer to coverpage init window 
rect */
   USHORT      usMode; 
   PVOID       pUserData;                 /* user data info */
   PFONTDATA   pPrtFontData;              /* FontData use in printing mode 
*/
   PUSERINFO   pUserInfoRoot;             /* userinfo list root */
   HWND        hwndPrintDlg;              /* Print Dialog Window Handle */
   HWND        hwndEntry;            /* Window from which help was 
requested */
                                     /* ie, which HELPTABLE entry was used 
*/
   BOOL        resourceFlag;    /* Help table flag in resource file */
   BOOL   DLLError;
   USHORT      fIsDocBidi;                /* Bidi flag showing doc. lang. 
*/ 
} INSTANCE, *PINSTANCE;