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PtHelpSearch()

Search the help information

Synopsis:

int PtHelpSearch( char *string,
                  int mode,
                  int scope,
                  int method );

Arguments:

string

The string you're looking for.

mode

One of the following:

• HELP_SEARCH_MODE_TITLE--search for string in the titles of all the help topics in the given scope.
• HELP_SEARCH_MODE_TEXT--search the text of all the help topics in the current scope.
• HELP_SEARCH_MODE_DISPLAYED--search the text of the displayed topic only.

scope

One of the following:

• HELP_SEARCH_SCOPE_ALL--search for the text in all the online help information.
• HELP_SEARCH_SCOPE_SELECTED--search for text in the selected topic only (for example, in a single book or bookset).

method

One of the following:

• HELP_SEARCH_METHOD_EXACT--search for an exact match (excluding case). For example, if you're searching topic titles for Help, match a title Help, but not Help files.
• HELP_SEARCH_METHOD_WORD--search for the string as a distinct word or words, ignoring case. For example, if you're searching for Help, match Help and help files but not Helpviewer.
• HELP_SEARCH_METHOD_SUBSTRING--search for the string as distinct words or as substrings, ignoring case. For example, if you're searching for Help, match Help, help files, and Helpviewer.
• HELP_SEARCH_METHOD_SUBSTRING_CASE -- search for the string as distinct words or as substrings, paying attention to the case. For example, if you're searching for Help, match Help and Helpviewer, but not help files.

Library:

ph

Description:

Use PtHelpSearch() to search for a string in the online help information. PtHelpSearch() spawns the Helpviewer if it isn't running, or sends a message to the Helpviewer if it is.

Returns:

0 on success, or -1 if the Helpviewer couldn't be found or spawned.

Examples:

PtHelpSearch( "console", HELP_SEARCH_MODE_TITLE,
              HELP_SEARCH_SCOPE_ALL,
              HELP_SEARCH_METHOD_SUBSTRING );

Classification:

Photon

Safety:
Interrupt handler	No
Signal handler	No
Thread	No

See also:

PtHelpQuit(), PtHelpTopic(), PtHelpTopicRoot(), PtHelpTopicTree(), PtHelpUrl(), PtHelpUrlRoot()

Context-Sensitive Help chapter of the Photon Programmer's Guide

helpviewer in the QNX Neutrino Utilities Reference.

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