Microsoft KB Archive/111009

= Accessing Keywords in a Viewer Title =

Article ID: 111009

Article Last Modified on 10/14/2003

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APPLIES TO


 * Microsoft Multimedia Viewer Publishing Toolkit 2.0

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This article was previously published under Q111009



SUMMARY
The Microsoft Multimedia Viewer version 2.0 provides only two commands to access the keywords defined for a title; they are the Viewer commands JumpKeyword(Title,Keyword) and KeyIndex. JumpKeyword is used to jump to the topic containing the specified keyword from the main keyword index. There is no command available for jumping to a topic by specifying a keyword from a secondary keyword index. KeyIndex is used to display the Keyword Index dialog box.



MORE INFORMATION
It is possible to get a list of the keywords defined in a title, but because the commands using keywords are so limited, there aren't many uses for the keyword list. Keywords are stored as word wheels in the Viewer title. Word wheels for keywords are named using the convention |C, where C is the identification character specified in the "key=" entry in the KEYINDEX section of the project file. The main (default) keyword index is named |0. The WordWheel APIs (application programming interfaces) in Viewer can be used to retrieve the contents of the keyword word wheel. Note that the WordWheelOpen function always capitalizes the word wheel name, so it can be used only to open keyword word wheels whose identification character is a capital letter or a number. See pages 9-26 through 9-28 of the Microsoft Multimedia Viewer version 2.0 "Technical Reference" for more information on the WordWheel APIs.

Viewer does not provide a way to obtain a list of keywords defined for a topic. It also does not provide a way to obtain a list of what topics contain a given keyword.

Because of this, it is not possible to write a full-featured custom Keyword Index dialog box. Neither is it possible to add keyword searches to a custom search dialog box.

To provide a customized interface to the keywords in a title, aliases can be used to simulate keywords. Page 8-15 through 8-20 of the Microsoft Multimedia Viewer version 2.0 "Authoring Guide" has more information on using aliases. An alias is used to provide alternate text that does not appear in the topic text, but that can be used in searches. To use aliases to simulate keywords, you could define a unique search field number for keywords. Then use this search field number, and the search data type 0 (words) to define the "keyword" aliases. To do "keyword" searches, use the TopicListFromQuery Viewer function, and limit the searches to the search field defined to be "keywords" (see the documentation for the VFLD operator on page 9-18 of the Microsoft Multimedia Viewer version 2.0 "Technical Reference"). Chapter 9 of the "Technical Reference" documents the TopicListFromQuery function, as well as the other search functions. Chapter 8 describes how to write a custom search interface using the search functions, and the KATASRCH sample shipped with Viewer PTK has sample code for a custom search interface.

Additional query words: 2.00 key word

Keywords: KB111009

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