1373 lines
44 KiB
HTML
1373 lines
44 KiB
HTML
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<!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>Create a Window (QsnCrtWin) API</title>
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<!-- Begin Header Records ========================================== -->
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<!-- All rights reserved. Licensed Materials Property of IBM -->
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<!-- US Government Users Restricted Rights -->
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<!-- Use, duplication or disclosure restricted by -->
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<!-- GSA ADP Schedule Contract with IBM Corp. -->
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<!-- DSMMST1 SCRIPT A converted by B2H R4.1 (346) (CMS) by V2KEA304 -->
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<!-- at RCHVMW2 on 29 Jan 1999 at 16:05:09 -->
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<!-- This file has undergone html cleanup June 2002 by JET -->
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<!-- Change History: -->
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<!-- YYMMDD USERID Change description -->
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<!--File Edited November 2001 -->
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<!--End Header Records -->
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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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<!-- Java sync-link -->
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<script language="Javascript" src="../rzahg/synch.js" type="text/javascript">
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</script>
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<h2>Create a Window (QsnCrtWin) AP</h2>
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<div class="box" style="width: 75%;">
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<br>
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Required 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%">Window description</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%">Char(*)</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">Length of window description</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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</table>
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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%">3</td>
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<td align="left" valign="top" width="50%">User extension information</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%">Char(*)</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">Length of user extension information</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">Start window</td>
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<td align="left" valign="top">Input</td>
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<td align="left" valign="top">Char(1)</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">Low-level environment description</td>
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<td align="left" valign="top">Input</td>
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<td align="left" valign="top">Char(*)</td>
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</tr>
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<tr>
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<td align="center" valign="top">7</td>
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<td align="left" valign="top">Length of low-level environment description</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">8</td>
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<td align="left" valign="top">Window handle</td>
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<td align="left" valign="top">Output</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">9</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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<!-- 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%"></td>
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<td align="left" valign="top" width="50%">Window handle</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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<!-- iddvc RMBR -->
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<br>
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Threadsafe: No<br>
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<!-- iddvc RMBR -->
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<br>
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</div>
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<p>The Create a Window (QsnCrtWin) API creates a window and returns a handle
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for that window. The window must be deleted using the Delete Low-Level
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Environment (QsnDltEnv) API. Whenever a window is made current, the window mode
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is set to the usable area of the window.</p>
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<br>
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<h3>Authorities and Locks</h3>
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<dl>
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<dt><em>Exit Routine Authority</em></dt>
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<dd>*EXECUTE</dd>
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</dl>
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<br>
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<h3><a name="Header_466">Required Parameter Group</a></h3>
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<dl>
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<dt><strong>Window description</strong></dt>
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<dd>INPUT; CHAR(*)
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<p>The window description defines the attributes for the window. The format of
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the window description is shown in <a href="#HDRWNDESC">Format of the Window
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Description</a>.</p>
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</dd>
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<dt><strong>Length of window description</strong></dt>
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<dd>INPUT; BINARY(4)
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<p>The length of the window description parameter.</p>
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</dd>
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</dl>
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<br>
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<h3><a name="Header_467">Omissible Parameter Group</a></h3>
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<dl>
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<dt><strong>User extension information</strong></dt>
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<dd>INPUT; CHAR(*)
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<p>The user extension information is used to associate data and exit routines
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with the window. This parameter is required if the length of user extension
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information parameter is supplied. This essentially enables the object-oriented
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programming concept of inheritance, allowing the window to be extended in a
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natural way. The user extension information cannot be changed once the window
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has been created. The format of this parameter is shown in <a href="#HDRWNEXT">
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Format of the Window User Extension Information</a>.</p>
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</dd>
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<dt><strong>Length of user extension information</strong></dt>
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<dd>INPUT; BINARY(4)
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<p>The length of the user extension information parameter.</p>
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</dd>
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<dt><strong>Start window</strong></dt>
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<dd>Input; CHAR(1)
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<p>Whether the window should be displayed on the screen when it is allocated.
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The possible values are:</p>
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<table cellpadding="3">
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<!-- cols="5 95" -->
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<tr>
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<td valign="top"><em>0</em></td>
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<td valign="top">The window is not displayed on the screen when it is
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allocated. You must use the Start a Window (QsnStrWin) API to start the
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window.</td>
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</tr>
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<tr>
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<td valign="top"><em>1</em></td>
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<td valign="top">The window is displayed on the screen when it is allocated.
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This is the default if this parameter is omitted.</td>
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</tr>
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</table>
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<br>
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</dd>
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<dt><strong>Low-level environment description</strong></dt>
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<dd>INPUT; CHAR(*)
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<p>The low-level environment description defines the operating environment for
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low-level operations used to create and manipulate the window. This parameter
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is required if the length of the low-level environment description parameter is
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supplied. The format of the low-level environment description is shown in <a
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href="QsnCrtEnv.htm#HDRLLDESC">Format of the Low-Level Environment
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Description</a>. If this parameter is omitted, a low-level environment will be
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created with default values.</p>
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</dd>
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<dt><strong>Length of low-level environment description</strong></dt>
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<dd>INPUT; BINARY(4)
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<p>The length of the low-level environment description parameter.</p>
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</dd>
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<dt><strong>Window handle</strong></dt>
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<dd>OUTPUT; BINARY(4)
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<p>The variable containing the handle for the window created after the
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QsnCrtWin API has completed. This handle can be used across activation groups
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if the activation group in which the handle was created is still active.</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>Window handle</strong></dt>
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<dd>OUTPUT; BINARY(4)
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<p>This API returns the value for the window handle parameter or a -1 if an
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error occurred during processing.</p>
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</dd>
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</dl>
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<br>
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<h3>Restrictions</h3>
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<p>Windows where the associated low-level environment indicates DBCS support
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cannot be resized. GUI windows must fit within the screen boundary. This
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includes the leading left border attribute and the center border continuation
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attribute. GUI windows must have a border and the associated left and center
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border attributes for the left and center borders. The concept of current and
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noncurrent window border attributes does not apply to GUI windows. No
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error-checking is performed for GUI-specific fields. The fields are passed to
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the control unit, as specified, and any errors will be detected by the control
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unit.</p>
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<br>
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<h3><a name="HDRWNDESC">Format of the Window Description</a></h3>
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<table border width="80%">
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<tr>
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<th align="center" valign="bottom" colspan="2">Offset</th>
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<th align="left" valign="bottom" rowspan="2">Type</th>
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<th align="left" valign="bottom" rowspan="2">Field</th>
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</tr>
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<tr>
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<th align="center" valign="bottom">Dec</th>
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<th align="center" valign="bottom">Hex</th>
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</tr>
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<tr>
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<td align="center" valign="top" width="10%">0</td>
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<td align="center" valign="top" width="10%">0</td>
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<td align="left" valign="top" width="20%">BINARY(4)</td>
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<td align="left" valign="top" width="60%">Row location of upper left corner of
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window border</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="center" valign="top">4</td>
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<td align="left" valign="top">BINARY(4)</td>
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<td align="left" valign="top">Column location of upper left corner of window
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border</td>
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</tr>
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<tr>
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<td align="center" valign="top">8</td>
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<td align="center" valign="top">8</td>
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<td align="left" valign="top">BINARY(4)</td>
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<td align="left" valign="top">Number of rows within the window</td>
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</tr>
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<tr>
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<td align="center" valign="top">12</td>
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<td align="center" valign="top">C</td>
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<td align="left" valign="top">BINARY(4)</td>
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<td align="left" valign="top">Number of columns within the window</td>
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</tr>
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<tr>
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<td align="center" valign="top">16</td>
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<td align="center" valign="top">10</td>
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<td align="left" valign="top">BINARY(4)</td>
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<td align="left" valign="top">Minimum number of rows within the window</td>
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</tr>
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<tr>
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<td align="center" valign="top">20</td>
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<td align="center" valign="top">14</td>
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<td align="left" valign="top">BINARY(4)</td>
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<td align="left" valign="top">Minimum number of columns within the window</td>
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</tr>
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<tr>
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<td align="center" valign="top">24</td>
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<td align="center" valign="top">18</td>
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<td align="left" valign="top">BINARY(4)</td>
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<td align="left" valign="top">Maximum number of rows within the window</td>
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</tr>
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<tr>
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<td align="center" valign="top">28</td>
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<td align="center" valign="top">1C</td>
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<td align="left" valign="top">BINARY(4)</td>
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<td align="left" valign="top">Maximum number of columns within the window</td>
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</tr>
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<tr>
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<td align="center" valign="top">32</td>
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<td align="center" valign="top">20</td>
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<td align="left" valign="top">CHAR(1)</td>
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<td align="left" valign="top">Full-screen flag for the window</td>
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</tr>
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<tr>
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<td align="center" valign="top">33</td>
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<td align="center" valign="top">21</td>
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<td align="left" valign="top">CHAR(3)</td>
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<td align="left" valign="top">Window display attributes for a monochrome
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display</td>
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</tr>
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<tr>
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<td align="center" valign="top">36</td>
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<td align="center" valign="top">24</td>
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<td align="left" valign="top">CHAR(3)</td>
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<td align="left" valign="top">Window display attributes for a color
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display</td>
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</tr>
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<tr>
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<td align="center" valign="top">39</td>
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<td align="center" valign="top">27</td>
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<td align="left" valign="top">CHAR(1)</td>
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<td align="left" valign="top">Border flag for the window</td>
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</tr>
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<tr>
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<td align="center" valign="top">40</td>
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<td align="center" valign="top">28</td>
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<td align="left" valign="top">CHAR(1)</td>
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<td align="left" valign="top">Border attributes flag for the window</td>
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</tr>
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<tr>
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<td align="center" valign="top">41</td>
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<td align="center" valign="top">29</td>
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<td align="left" valign="top">CHAR(1)</td>
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<td align="left" valign="top">Leading attribute flag for the window</td>
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</tr>
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<tr>
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<td align="center" valign="top">42</td>
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<td align="center" valign="top">2A</td>
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<td align="left" valign="top">CHAR(1)</td>
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<td align="left" valign="top">center continuation attribute flag for the
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window</td>
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</tr>
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<tr>
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<td align="center" valign="top">43</td>
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<td align="center" valign="top">2B</td>
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<td align="left" valign="top">CHAR(1)</td>
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<td align="left" valign="top">Message line flag for the window</td>
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||
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</tr>
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||
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<tr>
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<td align="center" valign="top">44</td>
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<td align="center" valign="top">2C</td>
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<td align="left" valign="top">CHAR(1)</td>
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||
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<td align="left" valign="top">Upper left border character</td>
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||
|
</tr>
|
||
|
|
||
|
<tr>
|
||
|
<td align="center" valign="top">45</td>
|
||
|
<td align="center" valign="top">2D</td>
|
||
|
<td align="left" valign="top">CHAR(1)</td>
|
||
|
<td align="left" valign="top">top border character</td>
|
||
|
</tr>
|
||
|
|
||
|
<tr>
|
||
|
<td align="center" valign="top">46</td>
|
||
|
<td align="center" valign="top">2E</td>
|
||
|
<td align="left" valign="top">CHAR(1)</td>
|
||
|
<td align="left" valign="top">Upper center border character</td>
|
||
|
</tr>
|
||
|
|
||
|
<tr>
|
||
|
<td align="center" valign="top">47</td>
|
||
|
<td align="center" valign="top">2F</td>
|
||
|
<td align="left" valign="top">CHAR(1)</td>
|
||
|
<td align="left" valign="top">left border character</td>
|
||
|
</tr>
|
||
|
|
||
|
<tr>
|
||
|
<td align="center" valign="top">48</td>
|
||
|
<td align="center" valign="top">30</td>
|
||
|
<td align="left" valign="top">CHAR(1)</td>
|
||
|
<td align="left" valign="top">center border character</td>
|
||
|
</tr>
|
||
|
|
||
|
<tr>
|
||
|
<td align="center" valign="top">49</td>
|
||
|
<td align="center" valign="top">31</td>
|
||
|
<td align="left" valign="top">CHAR(1)</td>
|
||
|
<td align="left" valign="top">Lower left border character</td>
|
||
|
</tr>
|
||
|
|
||
|
<tr>
|
||
|
<td align="center" valign="top">50</td>
|
||
|
<td align="center" valign="top">32</td>
|
||
|
<td align="left" valign="top">CHAR(1)</td>
|
||
|
<td align="left" valign="top">bottom border character</td>
|
||
|
</tr>
|
||
|
|
||
|
<tr>
|
||
|
<td align="center" valign="top">51</td>
|
||
|
<td align="center" valign="top">33</td>
|
||
|
<td align="left" valign="top">CHAR(1)</td>
|
||
|
<td align="left" valign="top">Lower center border character</td>
|
||
|
</tr>
|
||
|
|
||
|
<tr>
|
||
|
<td align="center" valign="top">52</td>
|
||
|
<td align="center" valign="top">34</td>
|
||
|
<td align="left" valign="top">CHAR(1)</td>
|
||
|
<td align="left" valign="top">GUI support flag for the window</td>
|
||
|
</tr>
|
||
|
|
||
|
<tr>
|
||
|
<td align="center" valign="top">53</td>
|
||
|
<td align="center" valign="top">35</td>
|
||
|
<td align="left" valign="top">CHAR(1)</td>
|
||
|
<td align="left" valign="top">Flag byte 1 (GUI only)</td>
|
||
|
</tr>
|
||
|
|
||
|
<tr>
|
||
|
<td align="center" valign="top">54</td>
|
||
|
<td align="center" valign="top">36</td>
|
||
|
<td align="left" valign="top">CHAR(1)</td>
|
||
|
<td align="left" valign="top">Flag byte 2 (GUI only)</td>
|
||
|
</tr>
|
||
|
|
||
|
<tr>
|
||
|
<td align="center" valign="top">55</td>
|
||
|
<td align="center" valign="top">37</td>
|
||
|
<td align="left" valign="top">CHAR(1)</td>
|
||
|
<td align="left" valign="top">Reserved (GUI only). The default is X'00'.</td>
|
||
|
</tr>
|
||
|
|
||
|
<tr>
|
||
|
<td align="center" valign="top">56</td>
|
||
|
<td align="center" valign="top">38</td>
|
||
|
<td align="left" valign="top">CHAR(1)</td>
|
||
|
<td align="left" valign="top">Border flags (GUI only)</td>
|
||
|
</tr>
|
||
|
|
||
|
<tr>
|
||
|
<td align="center" valign="top">57</td>
|
||
|
<td align="center" valign="top">39</td>
|
||
|
<td align="left" valign="top">CHAR(1)</td>
|
||
|
<td align="left" valign="top">Window title flags (GUI only)</td>
|
||
|
</tr>
|
||
|
|
||
|
<tr>
|
||
|
<td align="center" valign="top">58</td>
|
||
|
<td align="center" valign="top">3A</td>
|
||
|
<td align="left" valign="top">CHAR(1)</td>
|
||
|
<td align="left" valign="top">Monochrome title attribute</td>
|
||
|
</tr>
|
||
|
|
||
|
<tr>
|
||
|
<td align="center" valign="top">59</td>
|
||
|
<td align="center" valign="top">3B</td>
|
||
|
<td align="left" valign="top">CHAR(1)</td>
|
||
|
<td align="left" valign="top">Color title attribute</td>
|
||
|
</tr>
|
||
|
|
||
|
<tr>
|
||
|
<td align="center" valign="top">60</td>
|
||
|
<td align="center" valign="top">3C</td>
|
||
|
<td align="left" valign="top">CHAR(1)</td>
|
||
|
<td align="left" valign="top">Reserved (GUI only). The default is X'00'.</td>
|
||
|
</tr>
|
||
|
|
||
|
<tr>
|
||
|
<td align="center" valign="top">61</td>
|
||
|
<td align="center" valign="top">3D</td>
|
||
|
<td align="left" valign="top">CHAR(3)</td>
|
||
|
<td align="left" valign="top">Reserved. This field must be set to X'00'.</td>
|
||
|
</tr>
|
||
|
|
||
|
<tr>
|
||
|
<td align="center" valign="top">64</td>
|
||
|
<td align="center" valign="top">40</td>
|
||
|
<td align="left" valign="top">BINARY(4)</td>
|
||
|
<td align="left" valign="top">Offset to title text</td>
|
||
|
</tr>
|
||
|
|
||
|
<tr>
|
||
|
<td align="center" valign="top">68</td>
|
||
|
<td align="center" valign="top">44</td>
|
||
|
<td align="left" valign="top">BINARY(4)</td>
|
||
|
<td align="left" valign="top">Length of title text</td>
|
||
|
</tr>
|
||
|
|
||
|
<tr>
|
||
|
<td align="center" valign="top">72</td>
|
||
|
<td align="center" valign="top">48</td>
|
||
|
<td align="left" valign="top">BINARY(4)</td>
|
||
|
<td align="left" valign="top">Reserved. This field must be set to X'00'.</td>
|
||
|
</tr>
|
||
|
|
||
|
<tr>
|
||
|
<td align="center" valign="top">*</td>
|
||
|
<td align="center" valign="top">*</td>
|
||
|
<td align="left" valign="top">CHAR(*)</td>
|
||
|
<td align="left" valign="top">Title text</td>
|
||
|
</tr>
|
||
|
</table>
|
||
|
|
||
|
<br>
|
||
|
<br>
|
||
|
<h3>Field Descriptions</h3>
|
||
|
|
||
|
<p>In the following descriptions, the default value refers to the value set by
|
||
|
the Initialize Window Description (QsnInzWinD) API.</p>
|
||
|
|
||
|
<p>The GUI-only fields in the following descriptions refer to fields within the
|
||
|
data stream for the Create Window command major and minor structures. See the
|
||
|
5494 Remote Control Unit Functions Reference, SC30-3533, manual for
|
||
|
details.</p>
|
||
|
|
||
|
<p><strong>Border attributes flag for the window.</strong> Whether or not the
|
||
|
window border has left and center border attributes. (See <a href=
|
||
|
"dsm2d.htm#FIGWINPIC1">DSM Window Layout</a> in Window Services APIs.) The
|
||
|
possible values are:</p>
|
||
|
|
||
|
<table cellpadding="3">
|
||
|
<!-- cols="5 95" -->
|
||
|
<tr>
|
||
|
<td valign="top"><em>0</em></td>
|
||
|
<td valign="top">Window border has no attributes.</td>
|
||
|
</tr>
|
||
|
|
||
|
<tr>
|
||
|
<td valign="top"><em>1</em></td>
|
||
|
<td valign="top">Window border has attributes. This is the default.</td>
|
||
|
</tr>
|
||
|
</table>
|
||
|
|
||
|
<p>For GUI windows, 1 must be specified.</p>
|
||
|
|
||
|
<p><strong>Border flag for the window.</strong> This flag indicates whether or
|
||
|
not the window has a border. (See <a href="dsm2d.htm#FIGWINPIC1">DSM Window
|
||
|
Layout</a> in Window Services APIs.) The possible values are:</p>
|
||
|
|
||
|
<table cellpadding="3">
|
||
|
<!-- cols="5 95" -->
|
||
|
<tr>
|
||
|
<td valign="top"><em>0</em></td>
|
||
|
<td valign="top">Window has no border.</td>
|
||
|
</tr>
|
||
|
|
||
|
<tr>
|
||
|
<td valign="top"><em>1</em></td>
|
||
|
<td valign="top">Window has a border. This is the default.</td>
|
||
|
</tr>
|
||
|
</table>
|
||
|
|
||
|
<p>If this field is set to 0, the border attributes are not written to the
|
||
|
screen, regardless of the values of the other fields.</p>
|
||
|
|
||
|
<p>For GUI windows, 1 must be specified.</p>
|
||
|
|
||
|
<p><strong>Border flags (GUI only).</strong> Determines if border presentation
|
||
|
characters are used (byte 3 of the border presentation minor structure of the
|
||
|
GUI Create Window command). The default is X'80'.</p>
|
||
|
|
||
|
<p><strong>Bottom border character.</strong> The character used for the bottom
|
||
|
border. The default is X'00' for all border characters. The default border
|
||
|
character used for non-GUI windows is '.'. For GUI windows, the default GUI
|
||
|
character is used.</p>
|
||
|
|
||
|
<p><strong>Color title attribute.</strong> The display attribute to precede the
|
||
|
title on a color display. The default is X'20'. If this attribute is not valid,
|
||
|
it is ignored.</p>
|
||
|
|
||
|
<p><strong>Column location of upper left corner of window border.</strong> The
|
||
|
column number of the upper left corner of the window. If the window has a
|
||
|
leading window attribute, the first window column is two greater than the value
|
||
|
specified in this field; otherwise, it is one greater. This must be a positive
|
||
|
integer value greater than or equal to 0. For GUI windows, the minimum value
|
||
|
must be 2. Otherwise, it must be a positive integer value greater than or equal
|
||
|
to 0. For non-GUI windows, if 0 or 1 is specified, the left border of the
|
||
|
window or the leading border attribute, respectively, will not be displayed on
|
||
|
the screen unless the window is moved. The default value is such that the
|
||
|
maximum-sized window will be displayed, with border and attributes, given the
|
||
|
other window description attributes (for example, window border attributes). If
|
||
|
the window is a full-screen window, this field is ignored.</p>
|
||
|
|
||
|
<p><strong>Flag byte 1 (GUI only).</strong> Byte 5 of the GUI Create Window
|
||
|
command major structure. The default is X'00'.</p>
|
||
|
|
||
|
<p><strong>Flag byte 2 (GUI only).</strong> Byte 6 of the GUI Create Window
|
||
|
command major structure. The default is X'00'.</p>
|
||
|
|
||
|
<p><strong>Full-screen flag for the window.</strong> Indicates whether or not
|
||
|
this is a full-screen window. (A full-screen window cannot be moved or
|
||
|
resized.) The possible values are:</p>
|
||
|
|
||
|
<table cellpadding="3">
|
||
|
<!-- cols="5 95" -->
|
||
|
<tr>
|
||
|
<td valign="top"><em>0</em></td>
|
||
|
<td valign="top">Window is not a full-screen window. This is the default.</td>
|
||
|
</tr>
|
||
|
|
||
|
<tr>
|
||
|
<td valign="top"><em>1</em></td>
|
||
|
<td valign="top">Window is a full-screen window.</td>
|
||
|
</tr>
|
||
|
</table>
|
||
|
|
||
|
<p><strong>GUI support flag for the window.</strong> This flag indicates
|
||
|
whether or not GUI support should be used to build the window if the underlying
|
||
|
device supports it. GUI windows always include a leading and trailing border
|
||
|
attribute. The possible values are:</p>
|
||
|
|
||
|
<table cellpadding="3">
|
||
|
<!-- cols="5 95" -->
|
||
|
<tr>
|
||
|
<td valign="top"><em>0</em></td>
|
||
|
<td valign="top">Do not use GUI support.</td>
|
||
|
</tr>
|
||
|
|
||
|
<tr>
|
||
|
<td valign="top"><em>1</em></td>
|
||
|
<td valign="top">Use GUI support if the underlying device supports it. This is
|
||
|
the default.</td>
|
||
|
</tr>
|
||
|
</table>
|
||
|
|
||
|
<p><strong>Leading attribute flag for the window.</strong> This flag indicates
|
||
|
whether or not the window has a leading attribute. (See <a href=
|
||
|
"dsm2d.htm#FIGWINPIC1">DSM Window Layout</a> in Window Services APIs.) The
|
||
|
possible values are:</p>
|
||
|
|
||
|
<table cellpadding="3">
|
||
|
<!-- cols="5 95" -->
|
||
|
<tr>
|
||
|
<td valign="top"><em>0</em></td>
|
||
|
<td valign="top">Window has no leading attribute byte.</td>
|
||
|
</tr>
|
||
|
|
||
|
<tr>
|
||
|
<td valign="top"><em>1</em></td>
|
||
|
<td valign="top">Window has a leading attribute byte. This is the default.</td>
|
||
|
</tr>
|
||
|
</table>
|
||
|
|
||
|
<p>For GUI windows, 1 must be specified.</p>
|
||
|
|
||
|
<p><strong>Left border character.</strong> The character used for the left
|
||
|
border. The default is X'00' for all border characters. The default border
|
||
|
character used for non-GUI windows is ':'. For GUI windows, the default GUI
|
||
|
character is used.</p>
|
||
|
|
||
|
<p><strong>Length of title text.</strong> The length of the title text. The
|
||
|
default value is 0.</p>
|
||
|
|
||
|
<p><strong>Lower left border character.</strong> The character used for the
|
||
|
lower left border. The default is X'00' for all border characters. The default
|
||
|
border character used for non-GUI windows is ':'. For GUI windows, the default
|
||
|
GUI character is used.</p>
|
||
|
|
||
|
<p><strong>Lower center border character.</strong> The character used for the
|
||
|
lower center border. The default is X'00' for all border characters. The
|
||
|
default border character used for non-GUI windows is ':'. For GUI windows, the
|
||
|
default GUI character is used.</p>
|
||
|
|
||
|
<p><strong>Maximum number of columns within the window.</strong> A value of 0,
|
||
|
which is the default, indicates this value is the same as the maximum number of
|
||
|
columns for the device in its current mode. If the window is a full-screen
|
||
|
window, this field is ignored.</p>
|
||
|
|
||
|
<p><strong>Maximum number of rows within the window.</strong> A value of 0,
|
||
|
which is the default, indicates this value is the same as the maximum number of
|
||
|
rows for the device in its current mode. If the window is a full-screen window,
|
||
|
this field is ignored.</p>
|
||
|
|
||
|
<p><strong>Message line flag for the window.</strong> This flag indicates
|
||
|
whether or not the window has a message line. (See <a href=
|
||
|
"dsm2d.htm#FIGWINPIC1">DSM Window Layout</a> in Window Services APIs). The
|
||
|
possible values are:</p>
|
||
|
|
||
|
<table cellpadding="3">
|
||
|
<!-- cols="5 95" -->
|
||
|
<tr>
|
||
|
<td valign="top"><em>0</em></td>
|
||
|
<td valign="top">Window does not have a message line</td>
|
||
|
</tr>
|
||
|
|
||
|
<tr>
|
||
|
<td valign="top"><em>1</em></td>
|
||
|
<td valign="top">Window has a message line. This is the default.</td>
|
||
|
</tr>
|
||
|
</table>
|
||
|
|
||
|
<p><strong>Minimum number of columns within the window.</strong> The minimum
|
||
|
value allowed is 1. This is the default. If the window is a full-screen window,
|
||
|
this field is ignored.</p>
|
||
|
|
||
|
<p><strong>Minimum number of rows within the window.</strong> The minimum value
|
||
|
allowed is 1. This is the default. If the window is a full-screen window, this
|
||
|
field is ignored.</p>
|
||
|
|
||
|
<p><strong>Monochrome title attribute.</strong> The display attribute to
|
||
|
precede the title on a monochrome display. The default is X'20'. If this
|
||
|
attribute is not valid, it is ignored.</p>
|
||
|
|
||
|
<p><strong>Number of columns within the window.</strong> The number of columns
|
||
|
in the window, from the first window column to the last. This excludes the left
|
||
|
and center border, and the border and window attributes. (See <a href=
|
||
|
"dsm2d.htm#FIGWINPIC1">DSM Window Layout</a> in Window Services APIs.) A
|
||
|
value of 0, which is the default, indicates this value is the maximum number of
|
||
|
columns that can be defined given the other window description attributes (for
|
||
|
example, window border attributes). The minimum allowed number of columns is 1.
|
||
|
If the window is a full-screen window, this field is ignored.</p>
|
||
|
|
||
|
<p><strong>Number of rows within the window.</strong> The number of rows in the
|
||
|
window, from the first window row to the last. This includes the message line,
|
||
|
if specified. (See <a href="dsm2d.htm#FIGWINPIC1">DSM Window Layout</a> in
|
||
|
Window Services APIs.) A value of 0, which is the default, indicates this value
|
||
|
is the maximum number of rows that can be defined given the other window
|
||
|
description attributes (for example, window message line). The minimum allowed
|
||
|
number of rows is 1. If the window is a full-screen window, this field is
|
||
|
ignored.</p>
|
||
|
|
||
|
<p><strong>Offset to title text.</strong> The offset for the window title text.
|
||
|
The default value is 0.</p>
|
||
|
|
||
|
<p><strong>Center border character.</strong> The character used for the center
|
||
|
border. The default is X'00' for all border characters. The default border
|
||
|
character used for non-GUI windows is ':'. For GUI windows, the default GUI
|
||
|
character is used.</p>
|
||
|
|
||
|
<p><strong>Center continuation attribute flag for the window.</strong> Whether
|
||
|
or not the window has a center continuation attribute (see <a href=
|
||
|
"dsm2d.htm#FIGWINPIC1">DSM Window Layout</a> in Window Services APIs). The
|
||
|
possible values are:</p>
|
||
|
|
||
|
<table cellpadding="3">
|
||
|
<!-- cols="5 95" -->
|
||
|
<tr>
|
||
|
<td valign="top"><em>0</em></td>
|
||
|
<td valign="top">Window has no center continuation attribute byte.</td>
|
||
|
</tr>
|
||
|
|
||
|
<tr>
|
||
|
<td valign="top"><em>1</em></td>
|
||
|
<td valign="top">Window has a center continuation attribute byte. This is the
|
||
|
default. For GUI windows, 1 must be specified.</td>
|
||
|
</tr>
|
||
|
</table>
|
||
|
|
||
|
<p>The center continuation attribute used is X'20', which is green for color
|
||
|
displays and normal attribute for monochrome displays.</p>
|
||
|
|
||
|
<p><strong>Row location of upper left corner of window border.</strong> The row
|
||
|
number of the upper left corner of the window. The first window row is one
|
||
|
greater than the value specified in this field. This must be a positive integer
|
||
|
value greater than or equal to 0. For GUI windows, the minimum value must be 1.
|
||
|
Otherwise, it must be a positive integer value greater than or equal to 0. For
|
||
|
non-GUI windows, if 0 is specified, the top border of the window will not be
|
||
|
displayed on the screen unless the window is moved. The default value is such
|
||
|
that the maximum-sized window will be displayed, with border and attributes,
|
||
|
given the other window description attributes (for example, window border
|
||
|
attributes). If the window is a full-screen window, this field is ignored.</p>
|
||
|
|
||
|
<p><strong>Title text.</strong> The text for the window title, which is written
|
||
|
in the top border of the window. If the title text is too long to fit in the
|
||
|
window border, it is truncated. Otherwise, it is centered in the window border.
|
||
|
You can add padding (extra blanks beside the text) to specify left or center
|
||
|
justification for the title. If an attribute is specified for the title text,
|
||
|
the window border attribute is placed after the title text. This field is
|
||
|
ignored if the window does not have a top border.</p>
|
||
|
|
||
|
<p>The default is no title text.</p>
|
||
|
|
||
|
<p><strong>Top border character.</strong> The character used for the top
|
||
|
border. The default is X'00' for all border characters. The default border
|
||
|
character used for non-GUI windows is '.'. For GUI windows, the default GUI
|
||
|
character is used.</p>
|
||
|
|
||
|
<p><strong>Upper left border character.</strong> The character used for the
|
||
|
upper left border. The default is X'00' for all border characters. The default
|
||
|
border character used for non-GUI windows is '.'. For GUI windows, the default
|
||
|
GUI character is used.</p>
|
||
|
|
||
|
<p><strong>Upper center border character.</strong> The character used for the
|
||
|
upper center border. The default is X'00' for all border characters. The
|
||
|
default border character used for non-GUI windows is '.'. For GUI windows, the
|
||
|
default GUI character is used.</p>
|
||
|
|
||
|
<p><strong>Window display attributes for a color display.</strong> The window
|
||
|
display attributes for a color display. The first character is the attribute
|
||
|
for the window border when the window is not current, the second for when the
|
||
|
window is current, and the third for the leading window attribute. All bytes
|
||
|
may contain the same value. The special value X'00' can be used to indicate
|
||
|
that no screen attribute should be used for the given character. The first
|
||
|
attribute is ignored for GUI windows, which only use the second attribute. If
|
||
|
X'00' is specified as the second attribute for a GUI window, the default GUI
|
||
|
border attribute will be used. Both the current and noncurrent border
|
||
|
attributes must be either X'00' or a valid attribute. For example, it is
|
||
|
incorrect to specify the current attribute field X'00' and the noncurrent
|
||
|
attribute field with a valid attribute.</p>
|
||
|
|
||
|
<p>The default values for these fields are those specified by the window
|
||
|
services mode description (see <a href="QsnSetWinAtr.htm#HDRWSDESC">Format of
|
||
|
the Window Services Attribute Description</a>).</p>
|
||
|
|
||
|
<p><strong>Window display attributes for a monochrome display.</strong> The
|
||
|
window display attributes for a monochrome display. The first character is the
|
||
|
attribute for the window border when the window is not current, the second for
|
||
|
when the window is current, and the third is for the leading window attribute.
|
||
|
All bytes may contain the same value. The special value X'00' can be used to
|
||
|
indicate that no screen attribute should be used for the given character. The
|
||
|
first attribute is ignored for GUI windows, which only use the second
|
||
|
attribute. If X'00' is specified as the second attribute for a GUI window, the
|
||
|
default GUI border attribute will be used. Both the current and noncurrent
|
||
|
border attributes must be either X'00' or a valid attribute. For example, it is
|
||
|
incorrect to specify the current attribute field X'00' and the noncurrent
|
||
|
attribute field with a valid attribute.</p>
|
||
|
|
||
|
<p>The default values for these fields are those specified by the window
|
||
|
services mode description (see <a href="QsnSetWinAtr.htm#HDRWSDESC">Format of
|
||
|
the Window Services Attribute Description</a>).</p>
|
||
|
|
||
|
<p><strong>Window title flags (GUI only).</strong> Byte 3 of the window title
|
||
|
minor structure of the Create Window command. The default is X'00'.</p>
|
||
|
|
||
|
<br>
|
||
|
<h3><a name="HDRWNEXT">Format of the Window User Extension Information</a></h3>
|
||
|
|
||
|
<table border width="80%">
|
||
|
<tr>
|
||
|
<th align="center" valign="bottom" colspan="2">Offset</th>
|
||
|
<th align="left" valign="bottom" rowspan="2">Type</th>
|
||
|
<th align="left" valign="bottom" rowspan="2">Field</th>
|
||
|
</tr>
|
||
|
|
||
|
<tr>
|
||
|
<th align="center" valign="bottom">Dec</th>
|
||
|
<th align="center" valign="bottom">Hex</th>
|
||
|
</tr>
|
||
|
|
||
|
<tr>
|
||
|
<td align="center" valign="top" width="10%">0</td>
|
||
|
<td align="center" valign="top" width="10%">0</td>
|
||
|
<td align="left" valign="top" width="20%">PTR(SPP)</td>
|
||
|
<td align="left" valign="top" width="60%">User data associated with window</td>
|
||
|
</tr>
|
||
|
|
||
|
<tr>
|
||
|
<td align="center" valign="top">16</td>
|
||
|
<td align="center" valign="top">10</td>
|
||
|
<td align="left" valign="top">PTR(PP)</td>
|
||
|
<td align="left" valign="top">Exit routine to call for Change Window
|
||
|
(QsnChgWin) API</td>
|
||
|
</tr>
|
||
|
|
||
|
<tr>
|
||
|
<td align="center" valign="top">32</td>
|
||
|
<td align="center" valign="top">20</td>
|
||
|
<td align="left" valign="top">PTR(PP)</td>
|
||
|
<td align="left" valign="top">Exit routine to call for Delete Low-Level
|
||
|
Environment (QsnDltEnv) API</td>
|
||
|
</tr>
|
||
|
|
||
|
<tr>
|
||
|
<td align="center" valign="top">48</td>
|
||
|
<td align="center" valign="top">30</td>
|
||
|
<td align="left" valign="top">PTR(PP)</td>
|
||
|
<td align="left" valign="top">Exit routine for QsnMovWin, Move Window by User
|
||
|
(QsnMovWinUsr), Resize Window (QsnRszWin), or Resize Window by User
|
||
|
(QsnRszWinUsr) APIs</td>
|
||
|
</tr>
|
||
|
|
||
|
<tr>
|
||
|
<td align="center" valign="top">64</td>
|
||
|
<td align="center" valign="top">40</td>
|
||
|
<td align="left" valign="top">PTR(PP)</td>
|
||
|
<td align="left" valign="top">Exit routine for Display Window (QsnDspWin)
|
||
|
API</td>
|
||
|
</tr>
|
||
|
|
||
|
<tr>
|
||
|
<td align="center" valign="top">80</td>
|
||
|
<td align="center" valign="top">50</td>
|
||
|
<td align="left" valign="top">PTR(PP)</td>
|
||
|
<td align="left" valign="top">Exit routine for Set Current Window
|
||
|
(QsnSetCurWin) API</td>
|
||
|
</tr>
|
||
|
</table>
|
||
|
|
||
|
<br>
|
||
|
<br>
|
||
|
<h3>Field Descriptions</h3>
|
||
|
|
||
|
<p><strong>Exit routine for Change Window (QsnChgWin) API.</strong> This exit
|
||
|
routine is called after the window is changed. If the window is redrawn, it is
|
||
|
called after the window is redrawn.</p>
|
||
|
|
||
|
<p><strong>Exit routine for Delete Low-Level Environment (QsnDltEnv)
|
||
|
API.</strong> The exit routine to call when a window is deleted using the
|
||
|
Delete Low-Level Environment (QsnDltEnv) API.</p>
|
||
|
|
||
|
<p><strong>Exit routine for Display Window (QsnDspWin) API.</strong> The exit
|
||
|
routine to call immediately before the window is drawn or redrawn. The
|
||
|
following APIs may cause the window to be redrawn: QsnCrtWin, QsnStrWin,
|
||
|
QsnChgWin, QsnMovWin, QsnMovWinUsr, QsnRszWin, QsnRszWinUsr, QsnDspWin, and
|
||
|
QsnSetCurWin.</p>
|
||
|
|
||
|
<p><strong>Exit routine for move or resize window APIs.</strong> The exit
|
||
|
routine to call when window coordinates are changed using the QsnMovWin, Move
|
||
|
Window by User (QsnMovWinUsr), Resize Window (QsnRszWin), or Resize Window by
|
||
|
User (QsnRszWinUsr) APIs. This exit routine is called after the window is
|
||
|
redrawn.</p>
|
||
|
|
||
|
<p><strong>Exit routine for Set Current Window (QsnSetCurWin) API.</strong> The
|
||
|
exit routine to call whenever a window is made current by one of the following
|
||
|
APIs: QsnCrtWin, QsnStrWin, or QsnSetCurWin. This exit routine is called after
|
||
|
the window is drawn or redrawn.</p>
|
||
|
|
||
|
<p><strong>User data associated with window.</strong> A pointer to any data
|
||
|
that the user wants to associate with this window.</p>
|
||
|
|
||
|
<br>
|
||
|
<h3>Window Exit Routines</h3>
|
||
|
|
||
|
<p>Exit routines are user-supplied functions with a defined interface. The
|
||
|
routines are called from certain APIs and allow the programmer to attach
|
||
|
additional function to those APIs. For instance, if fields have been set up in
|
||
|
a window, a Change Coordinates exit routine could be supplied to move the
|
||
|
fields if the window is moved.</p>
|
||
|
|
||
|
<br>
|
||
|
<h3>Exit Routine Error Handling</h3>
|
||
|
|
||
|
<p>If an exception occurs during the processing of an exit routine, the
|
||
|
exception is ignored and processing continues. A CPFA318 will be issued as a
|
||
|
diagnostic message only. You can explicitly handle errors in an exit routine by
|
||
|
adding an exception handler to the routine.</p>
|
||
|
|
||
|
<br>
|
||
|
<h3>Change Window Exit Routine</h3>
|
||
|
|
||
|
<p>This exit routine, if specified on the user extension information, is called
|
||
|
when the window is changed. The following parameter is passed to the exit
|
||
|
routine:</p>
|
||
|
|
||
|
<div class="box" style="width: 60%;">
|
||
|
<br>
|
||
|
Parameter Passed to Exit Routine<br>
|
||
|
<!-- iddvc RMBR -->
|
||
|
<br>
|
||
|
<table width="100%">
|
||
|
<tr>
|
||
|
<td align="center" valign="top" width="10%">1</td>
|
||
|
<td align="left" valign="top" width="50%">Window handle</td>
|
||
|
<td align="left" valign="top" width="20%">Input</td>
|
||
|
<td align="left" valign="top" width="20%">Binary(4)</td>
|
||
|
</tr>
|
||
|
</table>
|
||
|
|
||
|
<br>
|
||
|
</div>
|
||
|
|
||
|
<p><strong>Change Window Exit Routine Parameter</strong></p>
|
||
|
|
||
|
<dl>
|
||
|
<dt><strong>Window handle</strong></dt>
|
||
|
|
||
|
<dd>INPUT; BINARY(4)
|
||
|
|
||
|
<p>The window that was changed.</p>
|
||
|
</dd>
|
||
|
</dl>
|
||
|
|
||
|
<br>
|
||
|
<h3><a name="Header_478">Delete Window Exit Routine</a></h3>
|
||
|
|
||
|
<p>This exit routine, if specified on the user extension information, is called
|
||
|
when the window is deleted. The following parameter is passed to the exit
|
||
|
routine:</p>
|
||
|
|
||
|
<div class="box" style="width: 60%;">
|
||
|
<br>
|
||
|
Parameter Passed to Exit Routine<br>
|
||
|
<!-- iddvc RMBR -->
|
||
|
<br>
|
||
|
<table width="100%">
|
||
|
<tr>
|
||
|
<td align="center" valign="top">1</td>
|
||
|
<td align="left" valign="top">Window handle</td>
|
||
|
<td align="left" valign="top">Input</td>
|
||
|
<td align="left" valign="top">Binary(4)</td>
|
||
|
</tr>
|
||
|
</table>
|
||
|
|
||
|
<br>
|
||
|
</div>
|
||
|
|
||
|
<p><strong>Delete Window Exit Routine Parameter</strong></p>
|
||
|
|
||
|
<dl>
|
||
|
<dt><strong>Window handle</strong></dt>
|
||
|
|
||
|
<dd>INPUT; BINARY(4)
|
||
|
|
||
|
<p>The window that was deleted.</p>
|
||
|
</dd>
|
||
|
</dl>
|
||
|
|
||
|
<br>
|
||
|
<h3><a name="Header_480">Change Window Coordinates Exit Routine</a></h3>
|
||
|
|
||
|
<p>This exit routine, if specified on the user extension information, is called
|
||
|
when the move or resize APIs are called, after the window has been successfully
|
||
|
moved or resized, but before the window is drawn on the screen. For this
|
||
|
reason, you should not use this exit routine to draw anything in the window.
|
||
|
The draw exit routine is called when the window is moved or resized. The
|
||
|
following parameters are passed to the exit routine:</p>
|
||
|
|
||
|
<div class="box" style="width: 60%;">
|
||
|
<br>
|
||
|
Parameters Passed to Exit Routine<br>
|
||
|
<!-- iddvc RMBR -->
|
||
|
<br>
|
||
|
<table width="100%">
|
||
|
<tr>
|
||
|
<td align="center" valign="top" width="10%">1</td>
|
||
|
<td align="left" valign="top" width="50%">Window handle</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">2</td>
|
||
|
<td align="left" valign="top">Top border offset</td>
|
||
|
<td align="left" valign="top">Input</td>
|
||
|
<td align="left" valign="top">Binary(4)</td>
|
||
|
</tr>
|
||
|
|
||
|
<tr>
|
||
|
<td align="center" valign="top">3</td>
|
||
|
<td align="left" valign="top">Left border offset</td>
|
||
|
<td align="left" valign="top">Input</td>
|
||
|
<td align="left" valign="top">Binary(4)</td>
|
||
|
</tr>
|
||
|
|
||
|
<tr>
|
||
|
<td align="center" valign="top">4</td>
|
||
|
<td align="left" valign="top">Bottom border offset</td>
|
||
|
<td align="left" valign="top">Input</td>
|
||
|
<td align="left" valign="top">Binary(4)</td>
|
||
|
</tr>
|
||
|
|
||
|
<tr>
|
||
|
<td align="center" valign="top">5</td>
|
||
|
<td align="left" valign="top">Center border offset</td>
|
||
|
<td align="left" valign="top">Input</td>
|
||
|
<td align="left" valign="top">Binary(4)</td>
|
||
|
</tr>
|
||
|
</table>
|
||
|
|
||
|
<br>
|
||
|
</div>
|
||
|
|
||
|
<p><strong>Change Window Coordinates Exit Routine Parameters</strong></p>
|
||
|
|
||
|
<dl>
|
||
|
<dt><strong>Window handle</strong></dt>
|
||
|
|
||
|
<dd>INPUT; BINARY(4)
|
||
|
|
||
|
<p>The window for which the coordinates were changed.</p>
|
||
|
</dd>
|
||
|
|
||
|
<dt><strong>Top border offset</strong></dt>
|
||
|
|
||
|
<dd>INPUT; BINARY(4)
|
||
|
|
||
|
<p>The offset, in screen rows, from the previous top window border to the
|
||
|
current top window border (after the window coordinates have been changed). It
|
||
|
can be positive, negative, or zero, depending on how the top window border was
|
||
|
changed. For example, if the top border was moved down two rows, this value
|
||
|
would be 2; if it was moved up 4 rows, this value would be -4; if the top row
|
||
|
was not changed, this value would be 0.</p>
|
||
|
</dd>
|
||
|
|
||
|
<dt><strong>Left border offset</strong></dt>
|
||
|
|
||
|
<dd>INPUT; BINARY(4)
|
||
|
|
||
|
<p>The offset, in screen columns, from the previous left window border to the
|
||
|
current left window border (after the window coordinates have been changed). It
|
||
|
can be positive, negative, or zero, depending on how the left window border was
|
||
|
changed. For example, if the left border was moved two columns to the center,
|
||
|
this value would be 2; if it was moved 4 columns to the left, this value would
|
||
|
be -4, and if the left column was not changed, this value would be 0.</p>
|
||
|
</dd>
|
||
|
|
||
|
<dt><strong>Bottom border offset</strong></dt>
|
||
|
|
||
|
<dd>INPUT; BINARY(4)
|
||
|
|
||
|
<p>The offset, in screen rows, from the previous bottom window border to the
|
||
|
current bottom window border (after the window coordinates have been changed).
|
||
|
It can be positive, negative, or zero, depending on how the bottom window
|
||
|
border was changed. For example, if the border was moved down two rows, this
|
||
|
value would be 2; if it was moved up 4 rows, this value would be -4; if the
|
||
|
bottom row was not changed, this value would be 0.</p>
|
||
|
</dd>
|
||
|
|
||
|
<dt><strong>Center border offset</strong></dt>
|
||
|
|
||
|
<dd>INPUT; BINARY(4)
|
||
|
|
||
|
<p>The offset, in screen columns, from the previous center window border to the
|
||
|
current center window border (after the window coordinates have been changed).
|
||
|
It can be positive, negative, or zero, depending on how the center window
|
||
|
border was changed. For example, if the center border was moved two columns to
|
||
|
the center, this value would be 2; if it was moved 4 columns to the left, this
|
||
|
value would be -4; if the center column was not changed, this value would be
|
||
|
0.</p>
|
||
|
</dd>
|
||
|
</dl>
|
||
|
|
||
|
<br>
|
||
|
<h3><a name="Header_482">Draw Window Exit Routine</a></h3>
|
||
|
|
||
|
<p>This exit routine, if specified on the user extension information, is called
|
||
|
when the Display Window (QsnDspWin) API is called, before the window is drawn.
|
||
|
Because the exit routine is called before the window is drawn, you should only
|
||
|
write inside the window using the command buffer parameter. Direct operations
|
||
|
should not be used for the exit routine. The following parameters are passed to
|
||
|
the exit routine:</p>
|
||
|
|
||
|
<div class="box" style="width: 60%;">
|
||
|
<br>
|
||
|
Parameters Passed to Exit Routine<br>
|
||
|
<!-- iddvc RMBR -->
|
||
|
<br>
|
||
|
<table width="100%">
|
||
|
<tr>
|
||
|
<td align="center" valign="top" width="10%">1</td>
|
||
|
<td align="left" valign="top" width="50%">Window handle</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">2</td>
|
||
|
<td align="left" valign="top">Command buffer</td>
|
||
|
<td align="left" valign="top">Input</td>
|
||
|
<td align="left" valign="top">Binary(4)</td>
|
||
|
</tr>
|
||
|
</table>
|
||
|
|
||
|
<br>
|
||
|
</div>
|
||
|
|
||
|
<p><strong>Draw Window Exit Routine Parameters</strong></p>
|
||
|
|
||
|
<dl>
|
||
|
<dt><strong>Window handle</strong></dt>
|
||
|
|
||
|
<dd>INPUT; BINARY(4)
|
||
|
|
||
|
<p>The window to be drawn.</p>
|
||
|
</dd>
|
||
|
|
||
|
<dt><strong>Command buffer</strong></dt>
|
||
|
|
||
|
<dd>INPUT; BINARY(4)
|
||
|
|
||
|
<p>The command buffer used to store the commands that re-create the window
|
||
|
contents. The contents of the command buffer are written to the screen along
|
||
|
with the window border. This allows the window and its contents to be redrawn
|
||
|
in a single I/O operation.</p>
|
||
|
</dd>
|
||
|
</dl>
|
||
|
|
||
|
<br>
|
||
|
<h3>Current Window Exit Routine</h3>
|
||
|
|
||
|
<p>This exit routine, if specified on the user extension information, is called
|
||
|
when the window is made current through the Set Current Window (QsnSetCurWin)
|
||
|
API. The following parameter is passed to the exit routine:</p>
|
||
|
|
||
|
<div class="box" style="width: 60%;">
|
||
|
<br>
|
||
|
Parameter Passed to Exit Routine<br>
|
||
|
<!-- iddvc RMBR -->
|
||
|
<br>
|
||
|
<table width="100%">
|
||
|
<tr>
|
||
|
<td align="center" valign="top" width="10%">1</td>
|
||
|
<td align="left" valign="top" width="50%">Window handle</td>
|
||
|
<td align="left" valign="top" width="20%">Input</td>
|
||
|
<td align="left" valign="top" width="20%">Binary(4)</td>
|
||
|
</tr>
|
||
|
</table>
|
||
|
|
||
|
<br>
|
||
|
</div>
|
||
|
|
||
|
<p><strong>Current Window Exit Routine Parameter</strong></p>
|
||
|
|
||
|
<dl>
|
||
|
<dt><strong>Window handle</strong></dt>
|
||
|
|
||
|
<dd>INPUT; BINARY(4)
|
||
|
|
||
|
<p>A handle for the window that is made current.</p>
|
||
|
</dd>
|
||
|
</dl>
|
||
|
|
||
|
<br>
|
||
|
<h3>Error Messages</h3>
|
||
|
|
||
|
<table width="100%" cellpadding="3">
|
||
|
<!-- cols="15 85" -->
|
||
|
<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">CPF3C1D E</td>
|
||
|
<td valign="top">Length specified in parameter &1 not valid.</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 &1 API.</td>
|
||
|
</tr>
|
||
|
|
||
|
<tr>
|
||
|
<td align="left" valign="top">CPFA314 E</td>
|
||
|
<td valign="top">Memory allocation error.</td>
|
||
|
</tr>
|
||
|
|
||
|
<tr>
|
||
|
<td align="left" valign="top">CPFA318 E</td>
|
||
|
<td valign="top">Error calling exit routine.</td>
|
||
|
</tr>
|
||
|
|
||
|
<tr>
|
||
|
<td align="left" valign="top">CPFA327 E</td>
|
||
|
<td valign="top">Low level environment description value incorrect.</td>
|
||
|
</tr>
|
||
|
|
||
|
<tr>
|
||
|
<td align="left" valign="top">CPFA31E E</td>
|
||
|
<td valign="top">Required parameter &1 omitted.</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 &2 in library &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">CPFA3A1 E</td>
|
||
|
<td valign="top">Window description value is incorrect.</td>
|
||
|
</tr>
|
||
|
|
||
|
<tr>
|
||
|
<td align="left" valign="top">CPFA3AB E</td>
|
||
|
<td valign="top">The value for &1 must be '0' or '1'.</td>
|
||
|
</tr>
|
||
|
</table>
|
||
|
|
||
|
<p>Additional errors may be generated by this API. They are listed in <a href=
|
||
|
"QsnCrtEnv.htm#HDREDERR">Error Messages</a> under the Create Low-Level
|
||
|
Environment (QsnCrtEnv) API.</p>
|
||
|
|
||
|
<hr>
|
||
|
API introduced: V2R3
|
||
|
|
||
|
<hr>
|
||
|
<center>
|
||
|
<table cellpadding="2" cellspacing="2">
|
||
|
<tr align="center">
|
||
|
<td valign="middle" align="center"><a href="#Top_Of_Page">Top</a> | <a href=
|
||
|
"dsm.htm">Dynamic Screen Manager APIs</a> | <a href="aplist.htm">APIs by
|
||
|
category</a></td>
|
||
|
</tr>
|
||
|
</table>
|
||
|
</center>
|
||
|
</body>
|
||
|
</html>
|
||
|
|