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152 lines
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<title>SFLCTL (Subfile Control) keyword for display files</title>
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<body id="rzakcmstdfsfctl"><a name="rzakcmstdfsfctl"><!-- --></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">SFLCTL (Subfile Control) keyword for display files</h1>
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<div><p>Use this record-level keyword to specify that this record format
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is to be a subfile control record format. This record format must immediately
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follow the subfile record format.</p>
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<div class="section"><div class="p">The format of the keyword is: <pre>SFLCTL(subfile-record-format-name)</pre>
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</div>
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<p>You
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must specify the name of the subfile record format as the parameter value
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for this keyword. The subfile control record format can contain field descriptions
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as well as subfile control keywords.</p>
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<p>Your program can display subfile
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records only by issuing an output operation to the subfile control record
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format.</p>
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<p>The subfile record format (SFL keyword) defines the format of
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the records in the subfile as opposed to the subfile control record format
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(SFLCTL keyword), which defines how the subfile can be displayed, cleared,
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deleted, and initialized. The program sends output operations to the subfile
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record format to build the subfile. It also sends output operations to the
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subfile control record format, setting option indicators for various subfile
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keywords to display, clear, delete, and initialize the subfile.</p>
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<p>The
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following tables are a summary of subfile keywords used with
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the SFLCTL keyword. (Field-level keywords are used with fields in the subfile
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control record format.)</p>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" width="100%" frame="void" border="0" rules="none"><caption>Table 1. Required
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keywords</caption><tbody><tr><td valign="top" width="100%"><p>SFLCTL<br />
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SFLDSP<br />
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SFLPAG<br />
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SFLSIZ</p>
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</td>
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</tr>
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</tbody>
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</table>
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</div>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" width="100%" frame="void" border="0" rules="none"><caption>Table 2. Optional keywords</caption><tbody><tr><td align="left" valign="top" width="50%"><p>CHCAVAIL<br />
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CHCSLT<br />
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CHCUNAVAIL<br />
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SFLCLR<br />
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SFLDLT<br />
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SFLDROP<br />
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SFLDSPCTL<sup>1</sup><br />
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SFLEND<br />
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SFLENTER<br />
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SFLFOLD<br />
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SFLINZ</p>
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</td>
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<td align="left" valign="top" width="50%"><p>SFLLIN<br />
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SFLMCLTCHC<br />
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SFLMSG<br />
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SFLMSGID<br />
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SFLPGMQ<br />
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SFLRCDNBR<br />
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SFLRNA<br />
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SFLROLVAL<br />
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SFLSCROLL<br />
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SFLSNGCHC</p>
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</td>
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</tr>
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<tr><td colspan="2" align="left" valign="top"> <sup>1</sup>The
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SFLDSPCTL keyword is required if your program sends an input operation to
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the subfile control record format.</td>
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</tr>
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</tbody>
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</table>
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</div>
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<div class="p">If subfile size equals subfile page, the following keywords are
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ignored. When several display sizes are used (DSPSIZ keyword specified), these
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keywords are ignored only for display sizes for which subfile size equals
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subfile page: <p>SFLDROP<br />
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SFLFOLD<br />
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SFLROLVAL</p>
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</div>
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<div class="p">If the subfile record format contains field selection,
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the following keywords are not valid on the subfile control record format:
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<p>SFLDROP<br />
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SFLFOLD<br />
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SFLINZ<br />
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SFLLIN<br />
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SFLRCDNBR<br />
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SFLRNA (because SFLINZ is not valid)<br />
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SFLROLVAL</p>
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</div>
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<p>The USRDFN keyword is not valid for the subfile control
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record format.</p>
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<p>The keywords CHCAVAIL, CHCSLT, and CHCUNAVAIL can be
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used only if either SFLSNGCHC or SFLMLTCHC is also used.</p>
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<p>Option indicators
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are not 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 SFLCTL keyword.</p>
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<pre>|...+....1....+....2....+....3....+....4....+....5....+....6....+....7....+....8
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00010A R SFLR SFL
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A*
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A* (at least one displayable field)
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A*
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00020A R SFLCTLR SFLCTL(SFLR)
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00030A SFLPAG(17)
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00040A SFLSIZ(17)
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00050A SFLDSP
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00060A SFLDSPCTL
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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="rzakcmstdfsfmky.htm" title="Use this field-level keyword on the first field in the subfile record format for a message subfile (Subfile (SFL) and Subfile Message Record (SFLMSGRCD) keywords specified).">SFLMSGKEY (Subfile Message Key) keyword for display files</a></div>
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<div><a href="rzakcmstdfsfmrc.htm" title="Use this record-level keyword on the subfile record format to specify that this subfile is to be a message subfile and that the records displayed when the subfile is displayed are to be messages from a program message queue.">SFLMSGRCD (Subfile Message Record) keyword for display files</a></div>
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<div><a href="rzakcmstdfsfpmq.htm" title="Use this field-level keyword on the second (and last) field in the subfile record format for a message subfile.">SFLPGMQ (Subfile Program Message Queue) keyword for display files</a></div>
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</div>
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</div>
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