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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-231C11D4-82B3-4202-8E86-DE8A3556C9DE">IDataSource.Cancel()</h1><div>
<p><strong>Description:</strong></p>
<p>The <code>Cancel</code> method cancels an outstanding asynchronous
call made with a Contacts Service API method.</p>
<p>This is a synchronous method.</p>
<p><strong>Syntax:</strong></p>
<pre class="codeblock" id="GUID-33A5E8FD-4156-4692-8732-C4046956C81F">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 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-315276D4-0EB1-4EC6-BCFF-4553782ABF3D"><!----></a><table cellpadding="4" cellspacing="0" summary="" id="GUID-315276D4-0EB1-4EC6-BCFF-4553782ABF3D" 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="d0e34796">
<p>Property</p>
</th><th class="cellrowborder" valign="top" width="33.33333333333333%" id="d0e34801">
<p>Description</p>
</th><th class="cellrowborder" valign="top" width="33.33333333333333%" id="d0e34806">
<p>Value</p>
</th></tr>
</thead>
<tbody>
<tr class="">
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="d0e34796 ">
<p><code>result.ErrorCode</code></p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="d0e34801 ">
<p>This is a number that specifies a predefined error code.</p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="d0e34806 ">
<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="d0e34796 ">
<p><code>result.ErrorMessage</code></p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="d0e34801 ">
<p>This is a text string that describes the error.</p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="d0e34806 ">
<p>See <a href="GUID-8722B5DB-5EA6-446D-8C1D-7A0B3D8781EF.html#GUID-8722B5DB-5EA6-446D-8C1D-7A0B3D8781EF">Contacts 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-B2BCD2C0-DA4D-4830-9BF3-5DA50879A3A1.html#GUID-B2BCD2C0-DA4D-4830-9BF3-5DA50879A3A1">the
full example</a>.</p>
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