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<title>iSeries Access for Windows national language
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<h1 class="topictitle1"><span class="keyword">iSeries Access for Windows</span> national language
support (NLS) APIs</h1>
<div><p><span class="keyword">iSeries™ Access for Windows<sup>®</sup></span> <strong>national
language support</strong> APIs enable your applications to get and save (query
and change) the <span class="keyword">iSeries Access for Windows</span> settings
that are relevant to national language support.</p>
<div class="section"><p>iSeries servers
support many national languages, through national language support (NLS).
NLS allows users to work on an iSeries system in the language of their
choice. The iSeries system
also ensures that the data that is sent to and received from the system appears
in the form and order that is expected. By supporting many different languages,
the system operates as intended, from both a linguistic and a cultural point
of view.</p>
</div>
<div class="section"><p>All iSeries systems
use a common set of program code, regardless of which language you use on
the system. For example, the program code on a U.S. English iSeries system
and the program code on a Spanish iSeries system are identical. Different
sets of textual data are used, however, for different languages. Textual data
is a collective term for menus, displays, lists, prompts, options, Online
help information, and messages. This means that you see <em>Help</em> for the
description of the function key for Online help information on a U.S. English
system, while you see <em>Ayuda</em> on a Spanish system. Using the same program
code with different sets of textual data allows the iSeries system to support more than one
language on a single system.</p>
</div>
<div class="section"><p>You can add convenient functions into your <span class="keyword">iSeries Access for Windows</span> applications,
including the capability to: </p>
<ul><li>Select from a list of installed national languages.</li>
<li>Convert character data from one code page to another. This permits computers
that use different code pages, such as personal computers and the iSeries server,
to share information.</li>
<li>Automatically replace the translatable text (caption and control names)
within dialog boxes. This expands the size of the controls according to the
text that is associated with them. The size of the dialog-box frame also is
adjusted automatically.</li>
</ul>
</div>
<div class="section"> <div class="note"><span class="notetitle">Note:</span> It is essential to build national language support considerations
into the design of the program right from the start. It is much harder to
add NLS or DBCS support after a program has been designed or coded.</div>
</div>
<div class="section"><h4 class="sectiontitle"><span class="keyword">iSeries Access for Windows</span> NLS
APIs required files:</h4>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" frame="border" border="1" rules="all"><thead align="left"><tr><th valign="top" width="25.252525252525253%" id="d0e110">NLS API type</th>
<th valign="top" width="29.040404040404038%" id="d0e112">Header file</th>
<th valign="top" width="22.97979797979798%" id="d0e114">Import library</th>
<th valign="top" width="22.727272727272727%" id="d0e116">Dynamic Link Library</th>
</tr>
</thead>
<tbody><tr><td valign="top" width="25.252525252525253%" headers="d0e110 ">General</td>
<td valign="top" width="29.040404040404038%" headers="d0e112 ">cwbnl.h</td>
<td rowspan="3" valign="top" width="22.97979797979798%" headers="d0e114 ">cwbapi.lib</td>
<td valign="top" width="22.727272727272727%" headers="d0e116 ">cwbnl.dll</td>
</tr>
<tr><td valign="top" width="25.252525252525253%" headers="d0e110 ">Conversion</td>
<td valign="top" width="29.040404040404038%" headers="d0e112 ">cwbnlcnv.h</td>
<td valign="top" width="22.727272727272727%" headers="d0e116 ">cwbnl1.dll</td>
</tr>
<tr><td valign="top" width="25.252525252525253%" headers="d0e110 ">Dialog-box</td>
<td valign="top" width="29.040404040404038%" headers="d0e112 ">cwbnldlg.h</td>
<td valign="top" width="22.727272727272727%" headers="d0e116 ">cwbnldlg.dll</td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="section"><h4 class="sectiontitle">Programmer's Toolkit:</h4><p>The Programmer's Toolkit provides
NLS documentation, access to the NLS APIs header files, and links to sample
programs. To access this information, open the Programmer's Toolkit and select <span class="menucascade"><span class="uicontrol">Data Manipulation</span> &gt; <span class="uicontrol">C/C++ APIs</span></span>.</p>
</div>
</div>
<div>
<ul class="ullinks">
<li class="ulchildlink"><strong><a href="rzaiknlscodecharset.htm">Coded character sets</a></strong><br />
Graphic characters are printable or displayable symbols, such as
letters, numbers, and punctuation marks. A collection of graphic characters
is called a <em>graphic-character set,</em> and often simply a <em>character
set</em>.</li>
<li class="ulchildlink"><strong><a href="rzaikgennlsapis.htm">iSeries Access for Windows general NLS APIs list</a></strong><br />
Find information about <span class="keyword">iSeries Access for Windows</span> general
NLS APIs.</li>
<li class="ulchildlink"><strong><a href="rzaikconvnlsapis.htm">iSeries Access for Windows conversion NLS APIs list</a></strong><br />
This topic describes the <span class="keyword">iSeries Access for Windows</span> conversion
NLS APIs.</li>
<li class="ulchildlink"><strong><a href="rzaikdialogboxnlsapilist.htm">iSeries Access for Windows dialog-box NLS API list</a></strong><br />
<span class="keyword">iSeries Access for Windows</span> dialog-box
NLS APIs are interfaces that are used to manipulate the translatable text
within dialog boxes.</li>
<li class="ulchildlink"><strong><a href="rzaiknlsprogex.htm">Example: iSeries Access for Windows NLS APIs</a></strong><br />
This example illustrates using <span class="keyword">iSeries Access for Windows</span> NLS
APIs.</li>
</ul>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="rzaikappdt.htm" title="Use Data Transformation and National Language Support (NLS) APIs to enable your applications to transform data.">iSeries Access for Windows Data Transformation and National Language Support (NLS) APIs</a></div>
</div>
<div class="relref"><strong>Related reference</strong><br />
<div><a href="rzaikas400sysnameformat.htm" title="APIs that take an iSeries system name as a parameter accept names in the following formats.">iSeries system name formats for connection APIs</a></div>
<div><a href="rzaikcaexpressprogstd.htm" title="Most of the iSeries Access for Windows C/C++ APIs that accept string parameters exist in three forms: OEM, ANSI, or Unicode.">OEM, ANSI, and Unicode considerations</a></div>
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