320 lines
9.5 KiB
HTML
320 lines
9.5 KiB
HTML
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<meta name="Copyright" content="Copyright (c) 2006 by IBM Corporation">
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<title>Insert Cursor (QsnInsCsr) API</title>
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<link rel="stylesheet" type="text/css" href="../rzahg/ic.css">
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</head>
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<body>
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<a name="top_Of_Page"></a>
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<script language="Javascript" src="../rzahg/synch.js" type="text/javascript">
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</script>
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<h2>Insert Cursor (QsnInsCsr) API</h2>
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<div class="box" style="width: 65%;">
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<br>
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Omissible Parameter Group:<br>
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<!-- iddvc RMBR -->
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<br>
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<table width="100%">
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<tr>
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<td align="center" valign="top" width="10%">1</td>
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<td align="left" valign="top" width="50%">Field ID</td>
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<td align="left" valign="top" width="20%">Input</td>
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<td align="left" valign="top" width="20%">Binary(4)</td>
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</tr>
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<tr>
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<td align="center" valign="top">2</td>
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<td align="left" valign="top">Cursor row</td>
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<td align="left" valign="top">Input</td>
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<td align="left" valign="top">Binary(4)</td>
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</tr>
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<tr>
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<td align="center" valign="top">3</td>
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<td align="left" valign="top">Cursor column</td>
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<td align="left" valign="top">Input</td>
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<td align="left" valign="top">Binary(4)</td>
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</tr>
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<tr>
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<td align="center" valign="top">4</td>
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<td align="left" valign="top">Command buffer handle</td>
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<td align="left" valign="top">Input</td>
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<td align="left" valign="top">Binary(4)</td>
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</tr>
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<tr>
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<td align="center" valign="top">5</td>
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<td align="left" valign="top">Low-level environment handle</td>
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<td align="left" valign="top">Input</td>
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<td align="left" valign="top">Binary(4)</td>
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</tr>
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<tr>
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<td align="center" valign="top">6</td>
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<td align="left" valign="top">Error code</td>
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<td align="left" valign="top">I/O</td>
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<td align="left" valign="top">Char(*)</td>
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</tr>
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</table>
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<br>
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Returned Value:<br>
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<br>
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<table width="100%">
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<tr>
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<td align="center" valign="top" width="10%"></td>
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<td align="left" valign="top" width="50%">Return code</td>
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<td align="left" valign="top" width="20%">Output</td>
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<td align="left" valign="top" width="20%">Binary(4)</td>
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</tr>
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</table>
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<br>
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Default Public Authority: *USE<br>
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<!-- iddvc RMBR -->
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<br>
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Service Program: QSNAPI<br>
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<br>
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Threadsafe: No<br>
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<br>
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</div>
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<p>The Insert Cursor (QsnInsCsr) API sets the insert-cursor address. The
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insert-cursor address specifies the home-cursor address. (The position of the
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cursor when the host system unlocks the keyboard and the display station
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operator presses the Home key.) The display address is not affected by this
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command if this is an indirect operation and the target command buffer contains
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an active Write to Display (WTD) command. Otherwise, a WTD command is inserted
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that resets the display address to row 1 column 1.</p>
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<p>If bit 1 of the associated Write to Display command is set to 0 (which is
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the default), the cursor will be moved on the screen when the QsnInsCsr API is
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called. To prevent the cursor from being moved, the control character byte 2
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bit should be set to 1 and the Write to Display (QsnWTD) operation should be
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explicitly issued to a command buffer used by the QsnInsCsr API.</p>
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<p>This command corresponds indirectly to the 5250 Write to Display (WTD)
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command with an Insert Cursor order. (For an indirect operation, a WTD is
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placed in the command buffer only if one does not already exist in that
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buffer.)</p>
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<br>
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<h3>Authorities and Locks</h3>
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<p>None</p>
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<br>
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<h3>Restrictions</h3>
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<p>The same restrictions apply as for the Write Data (QsnWrtDta) API.</p>
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<br>
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<h3>Omissible Parameter Group</h3>
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<dl>
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<dt><strong>Field ID</strong></dt>
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<dd>INPUT; BINARY(4)
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<p>The field ID indicating the field at which to set the display address. If
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this parameter is specified with a nonzero value, the row and column parameters
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are ignored and the row and column values corresponding to the field ID are
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used to set the display address. Either the field ID or the row and column
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parameters must be specified.</p>
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</dd>
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<dt><strong>Cursor row</strong></dt>
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<dd>INPUT; BINARY(4)
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<p>The row at which to position the insert cursor. The row parameter must refer
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to a row no greater than the current screen or window mode height (if window
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mode is enabled). The actual screen row used for a screen I/O operation is
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calculated using the formula base+offset=actual. The base is the row location
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of the top window border (0 for full screen) if offset is positive, or the row
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location of the bottom window border (screen height plus 1 for full screen) if
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offset is negative. The offset is the row parameter value specified, and actual
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is the actual screen row to be used. A CPFA307 error occurs if an incorrect row
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value is specified.</p>
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</dd>
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<dt><strong>Cursor column</strong></dt>
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<dd>INPUT; BINARY(4)
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<p>The column at which to position the insert cursor. The column parameter must
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refer to a column no greater than the current screen or window mode width (if
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window mode is on). The actual screen column used for a screen I/O operation is
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calculated using the formula base+offset=actual. The base is the column
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location of the left window border (0 for full screen) if offset is positive,
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or the column location of the center window border (screen width plus 1 for
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full screen) if offset is negative. The offset is the column parameter value
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specified, and actual is the actual screen column to be used. A CPFA307 error
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occurs if an incorrect column value is specified.</p>
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</dd>
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<dt><strong>Command buffer handle</strong></dt>
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<dd>INPUT; BINARY(4)
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<p>A handle for the command buffer in which to store the command. If this
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parameter is omitted or specified as 0, this is a direct operation and the
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insert cursor is positioned at the specified location immediately. Otherwise,
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this is an indirect operation and the command is stored in the command buffer
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without an I/O operation taking place.</p>
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</dd>
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<dt><strong>Low-level environment handle</strong></dt>
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<dd>INPUT; BINARY(4)
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<p>The low-level environment that the operation applies to. If this parameter
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is omitted or given with a value of zero, the default low-level environment is
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used.</p>
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</dd>
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<dt><strong>Error code</strong></dt>
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<dd>I/O; CHAR(*)
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<p>The structure in which to return error information. For the format of the
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structure, see <a href="../apiref/error.htm#hdrerrcod">Error Code Parameter</a>. If this
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parameter is omitted, diagnostic and escape messages are issued to the
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application.</p>
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</dd>
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</dl>
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<br>
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<h3>Returned Value</h3>
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<dl>
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<dt><strong>Return code</strong></dt>
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<dd>OUTPUT; BINARY(4)
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<p>A return code indicating the result of the operation. The value returned
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will be 0 if the operation was successful, or -1 otherwise.</p>
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</dd>
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</dl>
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<br>
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<h3>Error Messages</h3>
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<table width="100%" cellpadding="3">
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<!-- cols="15 85" -->
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<tr>
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<th align="left" valign="top">Message ID</th>
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<th align="left" valign="top">Error Message Text</th>
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</tr>
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<tr>
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<td align="left" valign="top">CPF24B4 E</td>
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<td valign="top">Severe error while addressing parameter list.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPF3CF1 E</td>
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<td valign="top">Error code parameter not valid.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPF3CF2 E</td>
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<td valign="top">Error(s) occurred during running of &1 API.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPFA301 E</td>
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<td valign="top">Command buffer is full.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPFA304 E</td>
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<td valign="top">Data-stream error &1 reported for screen I/O
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operation.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPFA305 E</td>
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<td valign="top">Cannot add operation to command buffer.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPFA307 E</td>
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<td valign="top">Screen position &1, &2 outside of display or window
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area.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPFA31E E</td>
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<td valign="top">Required parameter &1 omitted.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPFA331 E</td>
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<td valign="top">Buffer handle incorrect.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPFA334 E</td>
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<td valign="top">Low level environment handle incorrect.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPFA33C E</td>
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<td valign="top">Undefined field ID &1.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPFA343 E</td>
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<td valign="top">Output operation not done.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPFA344 E</td>
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<td valign="top">The file &2 in library &3 is not valid.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPFA345 E</td>
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<td valign="top">The invite active flag is not valid.</td>
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</tr>
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</table>
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<br>
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<hr>
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API introduced: V2R3
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<hr>
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<center>
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<table cellpadding="2" cellspacing="2">
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<tr align="center">
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<td valign="middle" align="center"><a href="#Top_Of_Page">Top</a> | <a href=
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"dsm.htm">Dynamic Screen Manager APIs</a> | <a href="aplist.htm">APIs by
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category</a></td>
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</tr>
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</table>
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</center>
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</body>
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</html>
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