org.symbian.tools.wrttools.doc.WebDeveloper/html/GUID-BF044B8D-C16A-47DC-84F3-9103D9DCE09B.html
author Eugene Ostroukhov <eugeneo@symbian.org>
Thu, 15 Jul 2010 10:08:51 -0700
changeset 450 ed815e0eef9a
parent 229 716254ccbcc0
permissions -rw-r--r--
Bug 3268 - Debugger does not start on Windows XP


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<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"/><meta name="copyright" content="(C) Copyright 2009"/><meta name="DC.rights.owner" content="(C) Copyright 2009"/><meta name="DC.Type" content="mobileconcept"/><meta name="DC.Title" content="ISysInfo.Cancel()"/><meta name="DC.Relation" scheme="URI" content="GUID-B796D072-4E51-4BC7-9259-84530DB3539D"/><meta name="DC.Relation" scheme="URI" content="GUID-7978FAFD-5BAC-45FD-9C44-5CF7BC484A1E"/><meta name="DC.Relation" scheme="URI" content="GUID-7C69DDA4-16F1-4A8F-BDB2-4CB0015B4E81"/><meta name="DC.Relation" scheme="URI" content="GUID-65AAF569-D347-462B-B59A-9D7CA184AB9C"/><meta name="DC.Relation" scheme="URI" content="GUID-AEB26A58-1DE2-46CB-81EC-6DB3A477B7A3"/><meta name="DC.Format" content="XHTML"/><meta name="DC.Identifier" content="GUID-BF044B8D-C16A-47DC-84F3-9103D9DCE09B"/><title>ISysInfo.Cancel() </title><script type="text/javascript">
      function initPage() {}
    </script><link href="../PRODUCT_PLUGIN/book.css" rel="stylesheet" type="text/css"/><link href="css/s60/style.css" rel="stylesheet" type="text/css" media="all"/></head><body onload="initPage();"><div class="body"><div class="contentLeft prTxt"><h1 class="pageHeading" id="GUID-BF044B8D-C16A-47DC-84F3-9103D9DCE09B"><span>ISysInfo.</span>Cancel()</h1><div>
<p><strong>Description:</strong></p>
<p>The <code>Cancel</code> method cancels an ongoing asynchronous
call made with a SystemInfo Service API method.</p>
<p>This is a synchronous method.</p>
<p><strong>Syntax:</strong></p>
<pre class="codeblock" id="GUID-B160E7BE-F33A-4F83-8E93-BC72E7811F4E">result = so.ISysInfo.Cancel(criteria);</pre>
<p><strong>Arguments:</strong></p>
<ul>
<li><p><code>criteria</code>:</p>

<p>This is an object with the <code>TransactionID</code> property
(number). <code>criteria.TransactionID</code> specifies the transaction
ID of the asynchronous call to cancel. The transaction ID is the <code>result.TransactionID</code> value
that was returned as part of the result of the initial call.</p>

</li>
</ul>
<p><strong>Return value:</strong></p>
<p>The <code>Cancel</code> method returns an object that contains
an error code and an error message.</p>
<div class="tablenoborder"><a name="GUID-B2D18C24-099C-4869-8262-B0F40A551E54"><!----></a><table cellpadding="4" cellspacing="0" summary="" id="GUID-B2D18C24-099C-4869-8262-B0F40A551E54" frame="border" border="1" rules="all"><caption><strong>Table: </strong>Return value
properties for Cancel</caption>

<thead align="left">
<tr class="title "><th class="cellrowborder" valign="top" width="33.33333333333333%" id="d0e69297">
<p>Property</p>
</th><th class="cellrowborder" valign="top" width="33.33333333333333%" id="d0e69302">
<p>Description</p>
</th><th class="cellrowborder" valign="top" width="33.33333333333333%" id="d0e69307">
<p>Value</p>
</th></tr>
</thead>
<tbody>
<tr class="">
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="d0e69297 ">
<p><code>result.ErrorCode</code></p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="d0e69302 ">
<p>This is a number that specifies a predefined error code.</p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="d0e69307 ">
<p>See <a href="GUID-0A215AF3-59F0-4158-842C-0D7B030E5EA4.html#GUID-0A215AF3-59F0-4158-842C-0D7B030E5EA4">Service API error codes</a>.</p>
</td>
</tr>
<tr class="bg ">
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="d0e69297 ">
<p><code>result.ErrorMessage</code></p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="d0e69302 ">
<p>This is a text string that describes the error.</p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="d0e69307 ">
<p>See <a href="GUID-1D78998F-2A45-4100-AAD0-FCCAC300DBC1.html#GUID-1D78998F-2A45-4100-AAD0-FCCAC300DBC1">SystemInfo Service API error messages</a>.</p>
</td>
</tr>
</tbody>
</table></div>
<p><strong>Example code:</strong></p>
<p/>
<p>For the complete source of a sample widget that demonstrates how to
use this Service API, see <a href="GUID-7C9CCFF3-A6E0-4593-8315-1A0EAAFD05AF.html#GUID-7C9CCFF3-A6E0-4593-8315-1A0EAAFD05AF">the
full example</a>.</p>
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