121 lines
8.1 KiB
HTML
121 lines
8.1 KiB
HTML
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<title>SFLMSGRCD (Subfile Message Record) keyword for display files</title>
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</head>
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<body id="rzakcmstdfsfmrc"><a name="rzakcmstdfsfmrc"><!-- --></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">SFLMSGRCD (Subfile Message Record) keyword for display files</h1>
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<div><p>Use this record-level keyword on the subfile record format to specify
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that this subfile is to be a message subfile and that the records displayed
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when the subfile is displayed are to be messages from a program message queue.</p>
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<div class="section"><div class="p">The format of the keyword is: <pre>SFLMSGRCD(line-number)</pre>
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</div>
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<p>The
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parameter value specified with SFLMSGRCD specifies the first line on the display
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on which messages are displayed. The value specified must not be greater than
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the maximum line number for the display size being used. The number of messages
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displayed depends on the SFLPAG value specified for the subfile.</p>
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<p>For
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more information about building and displaying message subfiles, see the <a href="rzakcmstdfsfpmq.htm">SFLPGMQ (Subfile Program Message Queue) keyword for display files</a> topic.</p>
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<p>The TEXT keyword is valid
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at the record-level for SFLMSGRCD.</p>
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<div class="p">There can be only two predefined
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fields specified on the subfile record format for a message subfile as follows:
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<ul><li>Message identifier. A 4-position, character data type, hidden field. Your
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program uses this field to pass a message identifier to the <span class="keyword">i5/OS™</span> operating
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system. This field must always be the first field defined in the message subfile.
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You must specify the SFLMSGKEY keyword with this field.</li>
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<li>Program queue name. A 10-position, character data type, hidden field.
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Your program passes the name of the program message queue that contains the
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messages in this field. It must be the second field of a subfile message record
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and must immediately follow the first field. If specified also on the subfile
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control record, it can be anywhere within the record specification. You must
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specify SFLPGMQ with this field.</li>
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</ul>
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</div>
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<p>Display size condition names can be specified for SFLMSGRCD and
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are required if the line number for the first message displayed is to change,
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based on display size.</p>
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<p>Data is not returned in your input buffer if
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your program does an input operation for a message subfile.</p>
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<div class="p">The messages
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are displayed as follows: <ul><li>Each message is displayed on a separate line and is truncated if it is
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longer than the display line length.</li>
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<li>Each message starts in position 2. The maximum message length for the
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24 x 80 display size is 76 characters. The maximum message length for the
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27 x 132 display size is 128 characters.</li>
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<li>Each message is displayed with the high intensity (HI) field attribute.</li>
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</ul>
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</div>
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<p>When a message subfile is paged through the <span class="keyword">i5/OS</span> operating
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system, the cursor is positioned at the same location as it was when the Page
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key was pressed.</p>
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<div class="p">Message help is supported for these messages. The workstation
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user chooses which message help is to be displayed by placing the cursor on
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the line containing the message and pressing the Help key. <div class="note"><span class="notetitle">Notes:</span> <ol><li>When SFLMSGRCD is specified, you cannot specify the SFLINZ keyword without
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specifying SFLPGMQ.</li>
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<li>The message subfile, starting on the line specified on SFLMSGRCD, must
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not overlap any displayable fields in the subfile control record, even if
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option indicators are specified on the displayable fields.</li>
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</ol>
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</div>
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</div>
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<p>Option indicators are not valid for this keyword; display
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size condition names are valid.</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 SFLMSGRCD keyword.</p>
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<pre>|...+....1....+....2....+....3....+....4....+....5....+....6....+....7....+....8
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00030A R RCDMSG <strong>SFL SFLMSGRCD</strong>(3)
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00040A FLDKEY <strong>SFLMSGKEY</strong>
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00050A FLDPGM <strong>SFLPGMQ</strong>
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00060A R SFLCTL SFLCTL(RCDMSG)
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00070A SFLPAG(17)
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00080A SFLSIZ(17)
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00090A SFLDSP SFLDSPCTL
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A</pre>
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<p>The highlighted keywords are required on
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the subfile record format for a message subfile. The SFLMSGKEY and SFLPGMQ
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keywords must be specified in the order shown.</p>
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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="rzakcmstdfsfl.htm" title="Use this record-level keyword to specify that this record format is to be a subfile record format.">SFL (Subfile) keyword for display files</a></div>
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<div><a href="rzakcmstdfsfctl.htm" title="Use this record-level keyword to specify that this record format is to be a subfile control record format. This record format must immediately follow the subfile record format.">SFLCTL (Subfile Control) keyword for display files</a></div>
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<div><a href="rzakcmstdfsflnz.htm" title="Use this record-level keyword on the subfile control record format to specify that the i5/OS operating system is to initialize all records in the subfile on an output operation to the subfile control record format (identified by the SFLCTL keyword).">SFLINZ (Subfile Initialize) 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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