org.symbian.tools.wrttools.doc.WebDeveloper/html/GUID-4EBD83E1-B179-4F8B-93AB-4D58C5F749C3.html
<!DOCTYPE html
PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<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="IDataSource.Cancel()"/><meta name="DC.Relation" scheme="URI" content="GUID-2FC0C5D3-CE2A-45BE-B7E9-04A62A099E86"/><meta name="DC.Relation" scheme="URI" content="GUID-39C0BA48-E615-41B1-84FF-D4D0C4597DAB"/><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-E5684FF0-28C9-4721-9421-6B9432087086"/><meta name="DC.Format" content="XHTML"/><meta name="DC.Identifier" content="GUID-4EBD83E1-B179-4F8B-93AB-4D58C5F749C3"/><title>IDataSource.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-4EBD83E1-B179-4F8B-93AB-4D58C5F749C3">IDataSource.Cancel()</h1><div>
<p><strong>Description:</strong></p>
<p>The <code>Cancel</code> method cancels an outstanding asynchronous
call.</p>
<p>This is a synchronous method.</p>
<p><strong>Syntax:</strong></p>
<pre class="codeblock" id="GUID-A0E09CE5-18A6-47FF-853B-1D0168AD7C33-GENIDd0e58341">result = so.IDataSource.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 <a href="GUID-39C0BA48-E615-41B1-84FF-D4D0C4597DAB.html#GUID-39C0BA48-E615-41B1-84FF-D4D0C4597DAB"><code>GetList</code></a> call
to cancel. The transaction ID is the <code>result.TransactionID</code> value
that was returned as part of the result of the <code>GetList</code> 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-14DA586A-5FB8-4725-8792-746C875E4744"><!----></a><table cellpadding="4" cellspacing="0" summary="" id="GUID-14DA586A-5FB8-4725-8792-746C875E4744" 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="d0e57671">
<p>Property</p>
</th><th class="cellrowborder" valign="top" width="33.33333333333333%" id="d0e57676">
<p>Description</p>
</th><th class="cellrowborder" valign="top" width="33.33333333333333%" id="d0e57681">
<p>Value</p>
</th></tr>
</thead>
<tbody>
<tr class="">
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="d0e57671 ">
<p><code>result.ErrorCode</code></p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="d0e57676 ">
<p>This is a number that specifies a predefined error code.</p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="d0e57681 ">
<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="d0e57671 ">
<p><code>result.ErrorMessage</code></p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="d0e57676 ">
<p>This is a text string that describes the error.</p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="d0e57681 ">
<p>See <a href="GUID-2FC0C5D3-CE2A-45BE-B7E9-04A62A099E86.html#GUID-2FC0C5D3-CE2A-45BE-B7E9-04A62A099E86">Media Management 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-B7297E44-2CCE-4098-807B-551684CF608E.html#GUID-B7297E44-2CCE-4098-807B-551684CF608E">the full example</a>.</p>
</div></div></div><div class="footer"><hr/><div class="copy">© Nokia 2009.</div></div></body></html>