ibm-information-center/dist/eclipse/plugins/i5OS.ic.apis_5.4.0.1/QsnShfSclL.htm

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<title>Shift Scroller left (QsnShfSclL) API</title>
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<h2>Shift Scroller left (QsnShfSclL) API</h2>
<div class="box" style="width: 65%;">
<br>
&nbsp;&nbsp;Required Parameter:<br>
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<table width="100%">
<tr>
<td align="center" valign="top" width="10%">1</td>
<td align="left" valign="top" width="50%">Session handle</td>
<td align="left" valign="top" width="20%">Input</td>
<td align="left" valign="top" width="20%">Binary(4)</td>
</tr>
</table>
<br>
&nbsp;&nbsp;Omissible Parameter Group:<br>
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<br>
<table width="100%">
<tr>
<td align="center" valign="top" width="10%">2</td>
<td align="left" valign="top" width="50%">Shift amount</td>
<td align="left" valign="top" width="20%">Input</td>
<td align="left" valign="top" width="20%">Binary(4)</td>
</tr>
<tr>
<td align="center" valign="top">3</td>
<td align="left" valign="top">Error code</td>
<td align="left" valign="top">I/O</td>
<td align="left" valign="top">Char(*)</td>
</tr>
</table>
<br>
&nbsp;&nbsp;Returned Value:<br>
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<tr>
<td align="center" valign="top" width="10%"></td>
<td align="left" valign="top" width="50%">Return code</td>
<td align="left" valign="top" width="20%">Output</td>
<td align="left" valign="top" width="20%">Binary(4)</td>
</tr>
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&nbsp;&nbsp;Default Public Authority: *USE<br>
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&nbsp;&nbsp;Service Program: QSNAPI<br>
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&nbsp;&nbsp;Threadsafe: No<br>
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</div>
<p>The Shift Scroller left (QsnShfSclL) API shifts the scroller to the left by
the specified number of scroller columns. If line wrap mode is on, shifting has
no effect.</p>
<h3>Restrictions</h3>
<p>
If the low-level environment description
(see <a href="QsnCrtEnv.htm#HDRLLDESC">Format of the Low-Level
Environment Description</a>) for the session specifies DBCS support or
the device supports CCSID-based I/O, the shift amount parameter is ignored
and the default value is used.</p>
<br>
<h3>Authorities and Locks</h3>
<p>None</p>
<br>
<h3>Required Parameter</h3>
<dl>
<dt><strong>Session handle</strong></dt>
<dd>INPUT; BINARY(4)
<p>A handle for the session to be shifted.</p>
</dd>
</dl>
<br>
<h3>Omissible Parameter Group</h3>
<dl>
<dt><strong>Shift amount</strong></dt>
<dd>INPUT; BINARY(4)
<p>The number of scroller columns to shift the scroller by. If this parameter
is omitted or set to 0, the default value is used. The default value can be
queried using the Retrieve Number of Columns to Shift Scroller
(QsnRtvSclNumShf) API. The scroller is shifted by the minimum of the shift
amount and the number of scroller columns between the visible left column and
the first column in the scroller.</p>
</dd>
<dt><strong>Error code</strong></dt>
<dd>I/O; CHAR(*)
<p>The structure in which to return error information. For the format of the
structure, see <a href="../apiref/error.htm#hdrerrcod">Error Code Parameter</a>. If this
parameter is omitted, diagnostic and escape messages are issued to the
application.</p>
</dd>
</dl>
<br>
<h3>Returned Value</h3>
<dl>
<dt><strong>Return code</strong></dt>
<dd>OUTPUT; BINARY(4)
<p>A return code indicating the result of the operation. The value returned
will be 0 if the operation was successful, or -1 otherwise.</p>
</dd>
</dl>
<br>
<h3>Error Messages</h3>
<table width="100%" cellpadding="3">
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<tr>
<th align="left" valign="top">Message ID</th>
<th align="left" valign="top">Error Message Text</th>
</tr>
<tr>
<td align="left" valign="top">CPF24B4 E</td>
<td valign="top">Severe error while addressing parameter list.</td>
</tr>
<tr>
<td align="left" valign="top">CPF3CF1 E</td>
<td valign="top">Error code parameter not valid.</td>
</tr>
<tr>
<td align="left" valign="top">CPF3CF2 E</td>
<td valign="top">Error(s) occurred during running of &amp;1 API.</td>
</tr>
<tr>
<td align="left" valign="top">CPFA333 E</td>
<td valign="top">Parameter &amp;1 not positive integer value.</td>
</tr>
<tr>
<td align="left" valign="top">CPFA31E E</td>
<td valign="top">Required parameter &amp;1 omitted.</td>
</tr>
<tr>
<td align="left" valign="top">CPFA340 E</td>
<td valign="top">Operation not supported with double-byte data.</td>
</tr>
<tr>
<td align="left" valign="top">CPFA343 E</td>
<td valign="top">Output operation not done.</td>
</tr>
<tr>
<td align="left" valign="top">CPFA344 E</td>
<td valign="top">The file &amp;2 in library &amp;3 is not valid.</td>
</tr>
<tr>
<td align="left" valign="top">CPFA345 E</td>
<td valign="top">The invite active flag is not valid.</td>
</tr>
<tr>
<td align="left" valign="top">CPFA3D6 E</td>
<td valign="top">Session handle is incorrect.</td>
</tr>
<tr>
<td align="left" valign="top">CPFA3D8 E</td>
<td valign="top">Scroller display is not valid.</td>
</tr>
</table>
<br>
<hr>
API introduced: V2R3
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