100 lines
6.1 KiB
HTML
100 lines
6.1 KiB
HTML
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE html
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PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html lang="en-us" xml:lang="en-us">
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<head>
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<meta name="DC.Type" content="reference" />
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<meta name="DC.Title" content="HELP (Help) keyword for display files" />
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<meta name="abstract" content="Use this file- or record-level keyword to enable the Help key." />
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<meta name="description" content="Use this file- or record-level keyword to enable the Help key." />
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<meta name="DC.subject" content="HELP (Help) keyword" />
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<meta name="keywords" content="HELP (Help) keyword" />
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<meta name="DC.Relation" scheme="URI" content="pos17.htm" />
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<meta name="DC.Relation" scheme="URI" content="rzakcmstdfalhlp.htm" />
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<meta name="DC.Relation" scheme="URI" content="rzakcmstdfhprtn.htm" />
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<meta name="DC.Relation" scheme="URI" content="rzakcmstdfhpara.htm" />
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<meta name="copyright" content="(C) Copyright IBM Corporation 2001, 2006" />
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<link rel="stylesheet" type="text/css" href="./ibmdita.css" />
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<link rel="stylesheet" type="text/css" href="./ic.css" />
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<title>HELP (Help) keyword for display files</title>
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</head>
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<body id="rzakcmstdfhelp"><a name="rzakcmstdfhelp"><!-- --></a>
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<!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script>
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<h1 class="topictitle1">HELP (Help) keyword for display files</h1>
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<div><p>Use this file- or record-level keyword to enable the Help key.</p>
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<div class="section"><p>See the <a href="s36env.htm">System/36 environment considerations for display files</a> topic for special considerations
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when specifying the HELP keyword in files that are used in the System/36™ environment.</p>
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<div class="p">The
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format of the keyword is: <pre>HELP[(response-indicator ['text'])]</pre>
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</div>
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<p>If
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you specify a response indicator, the response indicator is set on and returned
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to your program. No input data is transmitted from the device. Processing
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is similar to that of a command attention key.</p>
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<p>The optional text is
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included on the listing created at program compilation time to explain the
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intended use of the indicator. This text has no function in the file or program
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other than as a comment. The single quotation marks are required. If you specify
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more than 50 characters between the single quotation marks, the text is truncated
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to 50 characters on the program list.</p>
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<div class="p">One of the following actions occurs
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when the Help key is pressed: <ul><li>Second level text for a message is displayed if the cursor is located
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in a message subfile or on a field which specified either the ERRMSGID or
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SFLMSGID keyword.</li>
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<li>Online help information associated with either the entire display or an
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area on the display. This function is indicated by H specifications (refer
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to HLPARA (Help Area) keyword for display files) HLPDOC keyword.</li>
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<li>Control is returned to the user's program. This occurs when there are
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no H specifications or file-level HLPDOC, HLPPNLGRP, or HLPRCD keywords in
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the file.</li>
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</ul>
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</div>
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<p>If this keyword is not specified and the Help key is pressed,
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the <span class="keyword">i5/OS™</span> operating system
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issues an error message indicating that the Help key is not valid at that
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time.</p>
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<p>The HLPRTN keyword allows you to use option indicators to select
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when online help information is displayed, and when control is returned to
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the program.</p>
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<p>When a response indicator is specified on the HELP keyword,
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no H specifications or HLPRCD, HLPPNLGRP, HLPDOC, or HLPRTN keywords can be
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specified in the file.</p>
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<p>HELP (with no response indicator) is required
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if the file contains H specifications or HLPRCD, HLPPNLGRP, HLPDOC, or HLPRTN
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keywords.</p>
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<p>Option indicators are valid for this keyword.</p>
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</div>
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<div class="example"><h4 class="sectiontitle">Example</h4><p>The following example shows how to specify
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the HELP keyword.</p>
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<pre>|...+....1....+....2....+....3....+....4....+....5....+....6....+....7....+....8
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00024A HELP
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A R RECORD1
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A</pre>
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</div>
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</div>
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<div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="rzakcmstkeyent.htm" title="You type the keyword entries that define display files in positions 45 through 80 (functions).">DDS keyword entries for display files (positions 45 through 80)</a></div>
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</div>
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<div class="relref"><strong>Related reference</strong><br />
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<div><a href="pos17.htm" title="You can specify a value in this position to identify the type of name in positions 19 through 28.">Type of name or specification for display files (position 17)</a></div>
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<div><a href="rzakcmstdfalhlp.htm" title="Use this file-level keyword to assign a command attention (CA) key as an alternative Help key.">ALTHELP (Alternative Help Key) keyword for display files</a></div>
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<div><a href="rzakcmstdfhprtn.htm" title="Use this file- or record-level keyword to return control to your program when you press the Help key.">HLPRTN (Help Return) keyword for display files</a></div>
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<div><a href="rzakcmstdfhpara.htm" title="Use this help-specification-level keyword to define a rectangular area on the display.">HLPARA (Help Area) keyword for display files</a></div>
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</div>
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</div>
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</body>
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</html>
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