85 lines
5.2 KiB
HTML
85 lines
5.2 KiB
HTML
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<meta name="DC.Title" content="MSGCON (Message Constant) keyword in printer files" />
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<meta name="abstract" content="Use this field-level keyword to indicate that the text for a constant field is contained in a message description." />
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<meta name="description" content="Use this field-level keyword to indicate that the text for a constant field is contained in a message description." />
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<title>MSGCON (Message Constant) keyword in printer files</title>
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<body id="rzakdmstptmsgco"><a name="rzakdmstptmsgco"><!-- --></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">MSGCON (Message Constant) keyword in printer files</h1>
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<div><p>Use this field-level keyword to indicate that the text for a constant
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field is contained in a message description.</p>
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<div class="section"><p>If the message description does not exist at DDS compile time,
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the file is not created. If you change the message description, you must create
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the file again.</p>
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<div class="p">The format of the keyword is: <pre>MSGCON(length message-ID [library-name/]message-file-name)</pre>
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</div>
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<p>The
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length parameter specifies the maximum length of the message description.
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The length can be from 1 to 132 bytes. If the message description is less
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than the length specified, the remaining bytes are padded with blanks (hexadecimal
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40). If the message description is longer than the length specified, the message
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description is truncated to the specified length and a warning message appears.</p>
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<p>The
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message-ID parameter specifies the message description that contains the text
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to use as the value of the constant field.</p>
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<p>The message-file-name parameter
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identifies the message file that contains the message description. The library-name
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parameter is optional.</p>
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<p><img src="./delta.gif" alt="Start of change" />You must explicitly specify the
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MSGCON keyword for the field. You can use the MSGCON keyword to initialize
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a named field, only if you use POSITION (Position) keyword in
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the record and use the special name *NONE.<img src="./deltaend.gif" alt="End of change" /></p>
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<p>The DFT and MSGCON keywords
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are functionally equivalent. If you specify the DFT and MSGCON keywords for
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the same field, the MSGCON keyword is ignored and the file is not created.</p>
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<p>You
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cannot specify the DATE, DFT, EDTCDE, EDTWRD, and TIME keywords with the MSGCON
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keyword.</p>
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<p>Option indicators are not valid for this keyword. However,
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they can be used to condition the field with which this keyword is specified.</p>
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</div>
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<div class="section"><h4 class="sectiontitle">Example</h4><p>The following example shows how to specify
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the MSGCON keyword.</p>
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<pre>|...+....1....+....2....+....3....+....4....+....5....+....6....+....7....+....8
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00010A R RECORD1
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00020A 2 1MSGCON(10 MSG0001 MESSAGES/MSGF)
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A</pre>
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<p>MSG0001 in message file MSGF in library MESSAGES contains
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the message text.</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="rzakdmstprkey.htm" title="See the valid keyword entries for defining printer files in this topic.">Keyword entries for printer files (positions 45 through 80)</a></div>
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</div>
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<div class="relconcepts"><strong>Related concepts</strong><br />
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<div><a href="constantfields.htm" title="Constant fields are unnamed fields (positions 19 through 28 must be blank), or fields with a special name (*NONE) when POSITION (Position) keyword is used in the record.">Constant fields in printer 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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