DtHelpDialog man page on HP-UX

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DtHelpDialog(library call)			    DtHelpDialog(library call)

NAME
       DtHelpDialogDtHelpDialog widget class

SYNOPSIS
       #include <Dt/HelpDialog.h>

DESCRIPTION
       The  DtHelpDialog  widget provides users with functionality for viewing
       and navigating structured online information (CDE help  volumes).  This
       functionality  includes text and graphics rendering, embedded hypertext
       links and various navigation methods to move through online help infor‐
       mation.	The widget supports rendering of CDE help volumes, system man‐
       ual pages, text files and character string values.

       When the user resizes the window, the DtHelpDialog  widget  dynamically
       reformats its contents to fit the new window size if the DtNhelpType of
       the contents is DtHELP_TYPE_TOPIC or DtHELP_TYPE_DYNAMIC_STRING. If the
       DtNhelpType of the contents is DtHELP_TYPE_STRING, DtHELP_TYPE_MAN_PAGE
       or DtHELP_TYPE_FILE, the contents are not reformatted. Instead,	scroll
       bars  may appear when the user resizes the window smaller than the help
       contents. The exact scrollbar behavior is controlled by the  DtNscroll‐
       BarPolicy resource.

       Users  can  re-specify  certain resources for the automatically created
       widgets and gadgets contained within the DtHelpDialog widget hierarchy.
       The following list identifies the names of these widgets (or gadgets):

	  ·  Topic Tree - TocArea

	  ·  Display Area - DisplayArea

	  ·  Button Box - BtnBox

       The  DtHelpDialog widget honors all default and user-specified resource
       settings, with one exception. In the case where an error occurs due  to
       an invalid request, the DtHelpDialog widget posts the proper error mes‐
       sage in its display area	 and  modifies	the  DtNhelpType  resource  to
       reflect	the  current  contents	of the display area (that is, a string
       message). Applications and users should set the DtNhelpType resource to
       the appropriate value with each setting of the DtHelpDialog widget.

   Classes
       The  DtHelpDialog widget inherits behavior and resources from the Core,
       Composite, Constraint, XmManager and XmBulletinBoard classes.

       The class pointer is dtHelpDialogClass.

       The class name is DtHelpDialog.

   New Resources
       To reference a resource by name or by class in a .Xdefaults  file,  the
       application  must  remove  the  DtN or DtC prefix and use the remaining
       letters. To specify one of the defined values for a resource in a .Xde‐
       faults  file,  the  application	must  remove the Dt prefix and use the
       remaining letters (in either lower case or upper	 case,	but  including
       any underscores between words). The codes in the access column indicate
       if the given resource can be set at creation time  (C),	set  by	 using
       XtSetValues (S), retrieved by using XtGetValues (G), or is not applica‐
       ble (N/A).

       DtHelpDialog Resource

       Set
       Name		       Class		      Type	       Default				Access
       DtNcloseCallback	       DtCCloseCallback	      XtCallbackList   NULL				C
       DtNcolumns	       DtCColumns	      Dimension	       70				CSG
       DtNexecutionPolicy      DtCExecutionPolicy     unsigned char    DtHELP_EXECUTE_QUERY_UNALIASED	CSG
       DtNhelpFile	       DtCHelpFile	      char *	       NULL				CSG
       DtNhelpOnHelpVolume     DtCHelpOnHelpVolume    char *	       See Definition			C
       DtNhelpPrint	       DtCHelpPrint	      char *	       See Definition			CSG
       DtNhelpType	       DtCHelpType	      unsigned char    See Definition			CSG
       DtNhelpVolume	       DtCHelpVolume	      char *	       NULL				CSG
       DtNhyperLinkCallback    DtCHyperLinkCallback   XtCallbackList   NULL				C
       DtNlocationId	       DtCLocationId	      char *	       See Definition			CSG
       DtNmanPage	       DtCManPage	      char *	       NULL				CSG
       DtNpaperSize	       DtCPaperSize	      unsigned char    See Definition			C
       DtNprinter	       DtCPrinter	      char *	       NULL				CSG
       DtNrows		       DtCRows		      Dimension	       25				CSG
       DtNscrollBarPolicy      DtCScrollBarPolicy     unsigned char    See Definition			C
       DtNstringData	       DtCStringData	      char *	       NULL				CSG
       DtNtopicTitle	       DtCTopicTitle	      char *	       NULL				CSG
       DtNvisiblePathCount     DtCVisiblePathCount    int	       7				C

       DtNcloseCallback
		 Specifies the list of callbacks called when  the  user	 acti‐
		 vates	  the	Close	button.	  The	callback   reason   is
		 DtCR_HELP_CLOSE.

       DtNcolumns
		 Specifies the number of columns of text  to  display  in  the
		 display area of the DtHelpDialog widget.

       DtNexecutionPolicy
		 Specifies  how to handle ``Execute'' hypertext link types and
		 embedded scripts.  The default value is  set  to  DtHELP_EXE‐
		 CUTE_QUERY_UNALIASED  and  supports different semantics based
		 on the usage of a command alias.  Refer to the CDE Help  Sys‐
		 tem  Author's	and Programmer's Guide for more information on
		 command alias usage.  With the default value and  no  command
		 alias,	 a  query dialog will be posted upon user selection of
		 an execute hypertext link.  The dialog will show the  command
		 that  has  been  specified  and  give	the user the option to
		 ``Execute Anyway,'' ``Don't Execute''	or  request  help  for
		 more  information.   When  a command alias is present for the
		 selected link, the command  will  execute  silently,  and  no
		 query dialog will be posted.

		 Other	values	for  this  resource  are  DtHELP_EXECUTE_NONE,
		 DtHELP_EXECUTE_ALL and DtHELP_EXECUTE_QUERY_ALL.  DtHELP_EXE‐
		 CUTE_NONE  forces  all execute hypertext links to be ignored.
		 DtHELP_EXECUTE_ALL allows all execute hypertext links	to  be
		 executed  silently  upon  link	 selection  by	the  user, and
		 DtHELP_EXECUTE_QUERY_ALL forces the query dialog to be posted
		 with every link invocation.

       DtNhelpFile
		 Specifies the absolute pathname of a text file to be read and
		 displayed.  This resource is used when the DtNhelpType is set
		 to DtHELP_TYPE_FILE.

       DtNhelpOnHelpVolume
		 Specifies  the	 help volume that contains the help topics for
		 the help user-interface components in	the  widget.  This  is
		 displayed  in an instance of the DtHelpDialog widget when the
		 user requests help from within the widget.  The default value
		 for  this resource is Help4Help, which refers to the default-
		 supported help volume. This resource supports absolute	 path‐
		 names and pathless help volume names. When just a volume name
		 is used, the volume must be placed or linked to  one  of  the
		 default  search locations, or one of the two help search path
		 environment variables must be properly set. See the  ENVIRON‐
		 MENT  VARIABLES  section  for more information on setting and
		 modifying these variables.

       DtNhelpPrint
		 Specifies the location of the dthelpprint(1) utility used  to
		 print	help  topics,  manual-page files or help messages from
		 the   DtHelpDialog   widget.	 This	value	defaults    to
		 /usr/dt/bin/dthelpprint.

       DtNhelpType
		 Specifies   the   current  topic  type.  When	the  value  is
		 DtHELP_TYPE_TOPIC,  the   DtNlocationId   and	 DtNhelpVolume
		 resources are used and the requested help topic is displayed.
		 When	  the	  value	    is	    DtHELP_TYPE_STRING	    or
		 DtHELP_TYPE_DYNAMIC_STRING,  the  DtNstringData  resource  is
		 used and the requested string is displayed. When the value is
		 DtHELP_TYPE_FILE,  the	 DtNhelpFile  resource is used and the
		 requested  text  file	is  displayed.	When  the   value   is
		 DtHELP_TYPE_MAN_PAGE, the DtNmanPage resource is used and the
		 requested  system  manual  page  is  displayed.  The  initial
		 default  value is DtHELP_TYPE_TOPIC; however, each time there
		 is a request to display a help topic, text file, manual  page
		 or  text  string,  the	 user  should reset DtNhelpType to the
		 proper type.

       DtNhelpVolume
		 Specifies the help volume to use. This resource  is  used  in
		 conjunction  with  the DtNlocationId resource to display help
		 topics. This resource supports absolute pathnames  and	 path‐
		 less  help  volume  names. When using just a volume name, the
		 volume must be placed in or linked  to	 one  of  the  default
		 search locations, or one of the two help search path environ‐
		 ment variables must be	 properly  set.	 See  the  ENVIRONMENT
		 VARIABLES section for more information on setting and modify‐
		 ing these variables.

       DtNhyperLinkCallback
		 Specifies the callback that is called when a  client-specific
		 hypertext  link  is  activated	 in  the  display  area of the
		 DtHelpDialog  widget.	Links  are  activated  when  the  user
		 presses  mouse	 button	 1  over  a hypertext link, or presses
		 <return> with the keyboard focus on the hypertext link	 item.
		 The  callback	reason	is  DtCR_HELP_LINK_ACTIVATE. DtNhyper‐
		 LinkCallback allows applications to register a callback  pro‐
		 cedure	 that  is  used	 to process one of four hypertext link
		 types:	      DtHELP_LINK_APP_DEFINE,	    DtHELP_LINK_TOPIC,
		 DtHELP_LINK_MAN_PAGE	  or	 DtHELP_LINK_TEXT_FILE.	   For
		 DtHELP_LINK_TOPIC, the callback is made only  when  the  win‐
		 dowHint value in the callback structure is DtHELP_NEW_WINDOW.

       DtNlocationId
		 Specifies  a  help  topic  to display. Applications reference
		 topics within a help volume using a location ID. Location IDs
		 are author-defined at help volume creation time. Applications
		 use these location IDs to display the desired help topic. The
		 default  value	 for this resource is _HOMETOPIC, which refers
		 to the help volume's top level topic. DtNhelpVolume  must  be
		 set to the help volume in which the corresponding location ID
		 resides, and DtNhelpType must be set to DtHELP_TYPE_TOPIC.

       DtNmanPage
		 Specifies the system manual page to display  in  the  current
		 DtHelpDialog  widget. This resource is used when the DtNhelp‐
		 Type is set to DtHELP_TYPE_MAN_PAGE.

       DtNpaperSize
		 Controls the value used in the Help-Print  dialog  for	 paper
		 size.	 The  default value is set to DtHELP_PAPERSIZE_LETTER.
		 Other supported values for this resource  are:	 DtHELP_PAPER‐
		 SIZE_LEGAL,  DtHELP_PAPERSIZE_EXECUTIVE, DtHELP_PAPERSIZE_A4,
		 DtHELP_PAPERSIZE_B5.

       DtNprinter
		 Specifies the printer name to be used	when  printing	within
		 the  DtHelpDialog  widget.  If the value is NULL, the default
		 value is taken from the LPDEST environment variable.

       DtNrows	 Specifies the number of rows of text to display in  the  dis‐
		 play area of the DtHelpDialog widget.

       DtNscrollBarPolicy
		 Controls  the	automatic placement of scroll bars in the text
		 display area. If it is	 set  to  DtHELP_AS_NEEDED_SCROLLBARS,
		 the  scroll  bars  are	 displayed  only  if  the display area
		 exceeds the clip area in one or both dimensions.  A  resource
		 value	of DtHELP_STATIC_SCROLLBARS causes the display area to
		 display the scroll bars whenever the DtHelpDialog  widget  is
		 managed, regardless of the relationship between the clip win‐
		 dow and the display area.  A  value  of  DtHELP_NO_SCROLLBARS
		 removes scroll bars from the DtHelpDialog widget. The default
		 value is DtHELP_AS_NEEDED_SCROLLBARS.

       DtNstringData
		 Specifies the string data (char *) to display in the  current
		 DtHelpDialog  widget. This resource is used when the DtNhelp‐
		 Type is set to DtHELP_TYPE_STRING.

       DtNtopicTitle
		 Specifies the topic title (char *) to be used in  conjunction
		 with  either  the  DtNstringData or DtNhelpFile resource. The
		 topic title is required in order to maintain an accurate  and
		 descriptive history list. The topic title is also used as the
		 default heading for the banner	 page  and  page  header  when
		 printing.  When  printing  help  topics, this resource may be
		 ignored.

       DtNvisiblePathCount
		 Specifies the number of items to display in  the  topic  tree
		 area of the widget.

   Inherited Resources
       The  DtHelpDialog  widget inherits behavior and resources from the fol‐
       lowing named superclasses. For a complete description of each resource,
       see the man page for that superclass.

       XmBulletinBoard
       Resource Set
       Name		     Class		  Type		   Default	  Access
       XmNallowOverlap	     XmCAllowOverlap	  Boolean	   True		  CSG
       XmNautoUnmanage	     XmCAutoUnmanage	  Boolean	   True		  CG
       XmNbuttonFontList     XmCButtonFontList	  XmFontList	   dynamic	  CSG
       XmNcancelButton	     XmCWidget		  Widget	   dynamic	  SG
       XmNdefaultButton	     XmCWidget		  Widget	   dynamic	  SG
       XmNdefaultPosition    XmCDefaultPosition	  Boolean	   True		  CSG
       XmNdialogStyle	     XmCDialogStyle	  unsigned char	   dynamic	  CSG
       XmNdialogTitle	     XmCDialogTitle	  XmString	   NULL		  CSG
       XmNfocusCallback	     XmCCallback	  XtCallbackList   NULL		  C
       XmNlabelFontList	     XmCLabelFontList	  XmFontList	   dynamic	  CSG

       XmNmapCallback	     XmCCallback	  XtCallbackList   NULL		  C
       XmNmarginHeight	     XmCMarginHeight	  Dimension	   10		  CSG
       XmNmarginWidth	     XmCMarginWidth	  Dimension	   10		  CSG
       XmNnoResize	     XmCNoResize	  Boolean	   False	  CSG
       XmNresizePolicy	     XmCResizePolicy	  unsigned char	   XmRESIZE_ANY	  CSG
       XmNshadowType	     XmCShadowType	  unsigned char	   XmSHADOW_OUT	  CSG
       XmNtextFontList	     XmCTextFontList	  XmFontList	   dynamic	  CSG
       XmNtextTranslations   XmCTranslations	  XtTranslations   NULL		  C
       XmNunmapCallback	     XmCCallback	  XtCallbackList   NULL		  C

       XmManager Resource
       Set
       Name		       Class		       Type		    Default		   Access
       XmNbottomShadowColor    XmCBottomShadowColor    Pixel		    dynamic		   CSG
       XmNbottomShadowPixmap   XmCBottomShadowPixmap   Pixmap		    XmUNSPECIFIED_PIXMAP   CSG
       XmNforeground	       XmCForeground	       Pixel		    dynamic		   CSG
       XmNhelpCallback	       XmCCallback	       XtCallbackList	    NULL		   C
       XmNhighlightColor       XmCHighlightColor       Pixel		    dynamic		   CSG
       XmNhighlightPixmap      XmCHighlightPixmap      Pixmap		    dynamic		   CSG
       XmNinitialFocus	       XmCInitialFocus	       Widget		    dynamic		   CSG
       XmNnavigationType       XmCNavigationType       XmNavigationType	    XmTAB_GROUP		   CSG
       XmNshadowThickness      XmCShadowThickness      Dimension	    dynamic		   CSG
       XmNstringDirection      XmCStringDirection      XmString-Direction   dynamic		   CG
       XmNtopShadowColor       XmCTopShadowColor       Pixel		    dynamic		   CSG
       XmNtopShadowPixmap      XmCTopShadowPixmap      Pixmap		    dynamic		   CSG
       XmNtraversalOn	       XmCTraversalOn	       Boolean		    True		   CSG
       XmNunitType	       XmCUnitType	       unsigned char	    dynamic		   CSG
       XmNuserData	       XmCUserData	       XtPointer	    NULL		   CSG

       Composite Resource
       Set
       Name		    Class		Type	      Default	 Access
       XmNchildren	    XmCReadOnly		WidgetList    NULL	 G
       XmNinsertPosition    XmCInsertPosition	XtOrderProc   NULL	 CSG
       XmNnumChildren	    XmCReadOnly		Cardinal      0		 G

       Core Resource Set
       Name			       Class			       Type		Default		       Access
       XmNaccelerators		       XmCAccelerators		       XtAccelerators	dynamic		       N/A
       XmNancestorSensitive	       XmCSensitive		       Boolean		dynamic		       G
       XmNbackground		       XmCBackground		       Pixel		dynamic		       CSG
       XmNbackgroundPixmap	       XmCPixmap		       Pixmap		XmUNSPECIFIED_PIXMAP   CSG
       XmNborderColor		       XmCBorderColor		       Pixel		XtDefaultForeground    CSG
       XmNborderPixmap		       XmCPixmap		       Pixmap		XmUNSPECIFIED_PIXMAP   CSG
       XmNborderWidth		       XmCBorderWidth		       Dimension	0		       CSG
       XmNcolormap		       XmCColormap		       Colormap		dynamic		       CG
       XmNdepth			       XmCDepth			       int		dynamic		       CG
       XmNdestroyCallback	       XmCCallback		       XtCallbackList	NULL		       C
       XmNheight		       XmCHeight		       Dimension	dynamic		       CSG
       XmNinitialResourcesPersistent   XmCInitialResourcesPersistent   Boolean		True		       C
       XmNmappedWhenManaged	       XmCMappedWhenManaged	       Boolean		True		       CSG
       XmNscreen		       XmCScreen		       Screen *		dynamic		       CG
       XmNsensitive		       XmCSensitive		       Boolean		True		       CSG
       XmNtranslations		       XmCTranslations		       XtTranslations	dynamic		       CSG
       XmNwidth			       XmCWidth			       Dimension	dynamic		       CSG
       XmNx			       XmCPosition		       Position		0		       CSG
       XmNy			       XmCPosition		       Position		0		       CSG

   Callback Information
       A pointer to the following structure is passed to each callback:

       typedef struct {
	       int     reason;
	       XEvent  *event;
	       char    *locationId;
	       char    *helpVolume;
	       char    *specification;
	       int     hyperType;
	       int     windowHint;
       } DtHelpDialogCallbackStruct;

       The reason argument indicates why the callback was invoked.

       The event argument points to the XEvent that triggered the callback.

       The  locationId	argument  indicates  the DtNlocationId for the current
       topic.  This  value  is	NULL  whenever	the  hyperType	value  is  not
       DtHELP_LINK_TOPIC or DtHELP_LINK_APP_DEFINE.

       The  helpVolume	argument indicates the current help volume. This value
       is NULL whenever	 the  hyperType	 value	is  not	 DtHELP_LINK_TOPIC  or
       DtHELP_LINK_APP_DEFINE.

       The  specification  argument indicates any author-defined data that was
       contained within the hypertext link selected. This value	 returns  NULL
       if   no	 author-defined	  data	was  given.  For  hyperlinks  of  type
       DtHELP_MAN_PAGE, the specification argument contains the	 name  of  the
       manual page. For hyperlinks of type DtHELP_LINK_TEXT_FILE, the specifi‐
       cation argument contains that name of the file.

       The hyperType argument indicates the hypertext link type. Possible val‐
       ues	   are:	       DtHELP_LINK_TOPIC,	 DtHELP_LINK_MAN_PAGE,
       DtHELP_LINK_APP_DEFINE or DtHELP_LINK_TEXT_FILE.

       The windowHint argument indicates a hint for the type of window	(quick
       help,  existing	or  new window) to use. This value contains one of the
       following three types:  DtHELP_POPUP_WINDOW,  DtHELP_CURRENT_WINDOW  or
       DtHELP_NEW_WINDOW.

   Additional Behavior
       The DtHelpDialog widget has the additional behavior described below:

       <MAny> <KCancel>
		 Calls the active callbacks for the Close button. If a <BDrag>
		 for either a selection or scrollbar movement is  in  process,
		 the <KCancel> aborts that action.

       <KSpace>, <KActivate> or <BSelect> in Topic Tree Text
		 Opens	the help topic currently selected, displays that topic
		 in the display area and updates the topic tree to  match  the
		 newly displayed topic.

       <KSpace>, <KActivate> or <BSelect> in Display Area Text
		 Invokes  the  hypertext link that contains the current selec‐
		 tion.

       <DoubleClick> in Topic Tree or
		 Display Area Text" 10 Ignored.

       <BDrag> in Topic Tree or Display
		 Area Text" 10 Selects the text from the drag start  point  to
		 the  drag  end	 point. Moving and holding the <BDrag> outside
		 the topic tree or display area scrolls the window,  selecting
		 the newly exposed text.

       <MCtrl> or <MShift>
		 <BSelect> in Topic Tree Text" 10

       <MCtrl> <KSpace> in Topic Tree
		 Text" 10

       <MCtrl> <KActivate> in Topic
		 Tree  Text"  10  Invokes  the	DtNhyperLinkCallback  for  the
		 DtHelpDialog	 widget,    setting    the     helpType	    to
		 DtHELP_LINK_TOPIC,  the  windowHint to DtHELP_NEW_WINDOW, the
		 helpVolume to the current volume name and the	locationId  to
		 the  selected	item's location ID. If no DtNhyperLinkCallback
		 is supplied, the action is ignored.

       <MCtrl> or <MShift>
		 <BSelect> in Display Area Hypertext Link Text" 10 Invokes the
		 DtNhyperLinkCallback  for  the	 DtHelpDialog widget, honoring
		 all existing link settings,  but  forces  the	windowHint  to
		 DtHELP_NEW_WINDOW.  If	 no  DtNhyperLinkCallback is supplied,
		 the hypertext link is handled internally.

       <KSelectAll> in Display Area or
		 Topic Tree" 10 Selects all text within the topic tree area or
		 display area.

       <KDeSelectAll> in Display Area
		 or  Topic  Tree"  10 Deselects all text within the topic tree
		 area or display area.

       <KUp> or <KLeft> in Display Area or Topic Tree
		 Moves the traversal highlight up or left to the  next	hyper‐
		 text link item.

       <KDown> or <KRight> in Display Area or Topic Tree
		 Moves	the  traversal	highlight  down	 or  right to the next
		 hypertext item.

       <KCopy> in the Display Area or
		 Topic Tree" 10 Copies the  currently  selected	 text  to  the
		 clipboard.

       <KPageDown> or <MCtrl>
		 <KDown>  in  Display Area or Topic Tree" 10 Displays the next
		 page of text.

       <KPageLeft> or <MCtrl>
		 <KLeft> in Display Area or Topic Tree" 10 Scrolls the	infor‐
		 mation to the left.

       <KPageRight> or <MCtrl>
		 <KRight> in Display Area or Topic Tree" 10 Scrolls the infor‐
		 mation to the right.

       <KPageUp> or <MCtrl>
		 <KUp> in Display Area or Topic Tree" 10 Displays the previous
		 page of information.

       <KBeginData> in the Display Area
		 or Topic Tree" 10 Displays the first page of information.

       <KEndData> in the Display Area
		 or Topic Tree" 10 Displays the last page of information.

   Virtual Bindings
       The  bindings for virtual keys are implementation-dependent. For infor‐
       mation about bindings for virtual buttons and  keys,  see  VirtualBind‐
       ings(3).

ENVIRONMENT VARIABLES
       The  DtHelpDialog  widget  uses	two environment variables for locating
       help volumes within the desktop environment:

       DTHELPSEARCHPATH
		 The system search path environment variable for locating help
		 volumes on local and remote NFS mounted systems.

       DTHELPUSERSEARCHPATH
		 The  search  path environment variable for locating user-spe‐
		 cific help volumes on local and remote NFS mounted systems.

       The environment variables contain colon-separated  lists	 of  directory
       paths.  Each directory path can contain both environment variable names
       as well as special field descriptors that are expanded at runtime.

       Field descriptors consist of a percent-sign character (%) followed by a
       single character. Field descriptors and their substitution values are:

       %H	 Replaced with the current volume name being searched for.

       %L	 Replaced with the current value of the LANG environment vari‐
		 able.

       %%	 Replaced with a single %.

       The default value for DTHELPUSERSEARCHPATH is:

       $HOME/.dt/help/$DTUSERSESSION/%H:
       $HOME/.dt/help/$DTUSERSESSION/%H.sdl:
       $HOME/.dt/help/$DTUSERSESSION/%H.hv:
       $HOME/.dt/help/%H:
       $HOME/.dt/help/%H.sdl:
       $HOME/.dt/help/%H.hv

       The DTHELPUSERSEARCHPATH is first searched for the requested volume. If
       the volume is not found, the DTHELPSEARCHPATH value is searched.

       The default value for DTHELPSEARCHPATH path is:

       /etc/dt/appconfig/help/%L/%H:
       /etc/dt/appconfig/help/%L/%H.sdl:
       /etc/dt/appconfig/help/%L/%H.hv:
       /etc/dt/appconfig/help/C/%H:
       /etc/dt/appconfig/help/C/%H.sdl:
       /etc/dt/appconfig/help/C/%H.hv:
       /usr/dt/appconfig/help/%L/%H:
       /usr/dt/appconfig/help/%L/%H.sdl:
       /usr/dt/appconfig/help/%L/%H.hv:
       /usr/dt/appconfig/help/C/%H:
       /usr/dt/appconfig/help/C/%H.sdl:
       /usr/dt/appconfig/help/C/%H.hv

APPLICATION USAGE
       The  following  messages	 can  be  generated as a result of an error or
       improperly set resource value in the DtHelpDialog widget.   These  mes‐
       sages  are  displayed  in the widget's display area as well as standard
       error.

   Error Messages
       String data could not be formatted.
		 The error occurred when formatting help information  of  type
		 DtHELP_TYPE_STRING.

       Dynamic string data could not be formatted.
		 The  error  occurred when formatting help information of type
		 DtHELP_TYPE_DYNAMIC_STRING.

       Man Page could not be formatted. The requested man page

       is either not present, or corrupt.
		 The error occurred when formatting help information  of  type
		 DtHELP_TYPE_MAN_PAGE.

       Text file could not be formatted. The requested text file

       is either not present, or corrupt.
		 The  error  occurred when formatting help information of type
		 DtHELP_TYPE_FILE.

       Non-supported DtNhelpType value used.
		 The application used a non-supported DtNhelpType.

       Help topic could not be formatted.
		 The application attempted to access a	corrupt	 runtime  help
		 file.

       No DtNhyperLinkCallback supplied for widget.
		 A hypertext link of type DtHELP_NEW_WINDOW has been selected,
		 but the application has not supplied a hypertext callback  to
		 handle	 it.  The link is handled like a DtHELP_CURRENT_WINDOW
		 jump.

       Nonexistent DtNlocationId.
		 The requested DtNlocationId is not  present  in  the  current
		 help volume.

       No DtNhyperLinkCallback supplied for widget.
		 A   hypertext	 link	of   type   DtHELP_LINK_APP_DEFINE  or
		 DtHELP_LINK_MAN_PAGE is selected, but the application has not
		 supplied a hypertext callback to handle these link types.

       Could not find DtNhelpVolume.
		 The Help System is unable to find the help volume requested.

       Could not open DtNhelpVolume.
		 The Help System found the requested help volume, but does not
		 have the permission to open it.

SEE ALSO
       Dt/HelpQuickD.h - DtHelpQuickD(5),  Dt/Help.h  -	 DtHelp(5),  DtCreate‐
       HelpQuickDialog(3),  DtHelpSetCatalogName(3);  XmManager(3),  XmBullet‐
       inBoard(3), Core(3), Composite(3), Constraint(3), dthelptagdtd(4).

						    DtHelpDialog(library call)
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