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org.symbian.tools.wrttools.doc.WebDeveloper/html/GUID-D4014B08-C48C-48EB-B3A5-1A09FF636B3C.html
changeset 229 716254ccbcc0 
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/org.symbian.tools.wrttools.doc.WebDeveloper/html/GUID-D4014B08-C48C-48EB-B3A5-1A09FF636B3C.html	Fri Mar 05 19:11:15 2010 -0800
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+
+<!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.RequestNotification()"/><meta name="DC.Relation" scheme="URI" content="GUID-0D3A1E17-C699-4A9D-9124-9CEB71E2EBBF"/><meta name="DC.Relation" scheme="URI" content="GUID-890D2F5C-D43F-44B2-97A0-5F5B9230C85F"/><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-CABB28B8-D2B1-496B-BD7E-34FF496E60B4"/><meta name="DC.Format" content="XHTML"/><meta name="DC.Identifier" content="GUID-D4014B08-C48C-48EB-B3A5-1A09FF636B3C"/><title>IDataSource.RequestNotification() </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-D4014B08-C48C-48EB-B3A5-1A09FF636B3C"><span>IDataSource.</span>RequestNotification()</h1><div>
+<p><strong>Description:</strong></p>
+<p>The <code>RequestNotification</code> method notifies the client
+when entries are created, updated, or deleted in the specified calendar. If
+no calendar is specified, the default calendar is used.</p>
+<p>This is an asynchronous method.</p>
+<p><strong>Syntax:</strong></p>
+<pre class="codeblock" id="GUID-0DB3E2B4-9B49-4F09-900A-069B2EB24260">result = so.IDataSource.RequestNotification(criteria, callback);</pre>
+
+<p><strong>Arguments:</strong></p>
+<ul>
+<li><p><code>criteria</code>:</p>
+
+<p>This is an object that specifies which calendar and calendar entries
+to monitor for changes and when. For more information about the object properties
+and how to define them, see section <a href="GUID-B11EEC60-6A5C-40A6-A54A-74504B2BEE4F.html#GUID-B11EEC60-6A5C-40A6-A54A-74504B2BEE4F">Criteria for change notifications</a>.</p>
+
+</li>
+<li><p><code>callback</code>:</p>
+
+<p>The <code>callback</code> argument is the name of the method
+that is executed when <code>RequestNotification</code> has results
+or status information to return. You must define this method separately. Follow
+the instructions in section <a href="GUID-C7C3B541-8D28-4DC6-9003-ECF57F26C608.html#GUID-C7C3B541-8D28-4DC6-9003-ECF57F26C608">Defining the callback handler for an asynchronous method</a> to
+define the <code>callback</code> method.</p>
+
+</li>
+</ul>
+<p><strong>Return value:</strong></p>
+<p>The <code>RequestNotification</code> method returns an object
+that contains the initial return value for the asynchronous call it started.
+The actual notification information is returned by the <a href="GUID-C7C3B541-8D28-4DC6-9003-ECF57F26C608.html#GUID-C7C3B541-8D28-4DC6-9003-ECF57F26C608"><code>callback</code></a> method in the <code>ReturnValue</code> property of its result object.
+The returned information is described in section <a href="GUID-13C405C4-F914-469C-84BF-D1EDF0322A24.html#GUID-13C405C4-F914-469C-84BF-D1EDF0322A24">Returned notification information</a>.</p>
+<div class="tablenoborder"><a name="GUID-24769524-6168-4419-AD95-4ABDF4215428"><!----></a><table cellpadding="4" cellspacing="0" summary="" id="GUID-24769524-6168-4419-AD95-4ABDF4215428" frame="border" border="1" rules="all"><caption><strong>Table: </strong>Return value
+properties for RequestNotification</caption>
+
+<thead align="left">
+<tr class="title "><th class="cellrowborder" valign="top" width="33.33333333333333%" id="d0e24369">
+<p>Property</p>
+</th><th class="cellrowborder" valign="top" width="33.33333333333333%" id="d0e24374">
+<p>Description</p>
+</th><th class="cellrowborder" valign="top" width="33.33333333333333%" id="d0e24379">
+<p>Value</p>
+</th></tr>
+</thead>
+<tbody>
+<tr class="">
+<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="d0e24369 ">
+<p><code>result.TransactionID</code></p>
+</td>
+<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="d0e24374 ">
+<p>This is a number used as an identification to match transactions started
+with a <code>RequestNotification</code> call to one or more calls
+it generates to <code>callback</code>.</p>
+</td>
+<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="d0e24379 ">&nbsp;</td>
+</tr>
+<tr class="bg ">
+<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="d0e24369 ">
+<p><code>result.ErrorCode</code></p>
+</td>
+<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="d0e24374 ">
+<p>This is a number that specifies a predefined error code.</p>
+</td>
+<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="d0e24379 ">
+<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="">
+<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="d0e24369 ">
+<p><code>result.ErrorMessage</code></p>
+</td>
+<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="d0e24374 ">
+<p>This is a text string that describes the error.</p>
+</td>
+<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="d0e24379 ">
+<p>See <a href="GUID-92BD4759-43FA-482F-A12B-3F5607D4AA35.html#GUID-92BD4759-43FA-482F-A12B-3F5607D4AA35">Calendar Service API error messages</a>.</p>
+</td>
+</tr>
+</tbody>
+</table></div>
+<p><strong>Remarks:</strong></p>
+<ul>
+<li><p><code>RequestNotification</code> returns notifications
+until cancelled with <a href="GUID-0D3A1E17-C699-4A9D-9124-9CEB71E2EBBF.html#GUID-0D3A1E17-C699-4A9D-9124-9CEB71E2EBBF"><code>Cancel</code></a>. You can have
+multiple <code>RequestNotification</code> calls (instances) pending
+or in use at the same time.</p></li>
+<li><p>The calendar file to be monitored must exist on the device.</p>
+</li>
+</ul>
+<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-7C0890BC-7931-417B-B4AC-6E77E65A10F3.html#GUID-7C0890BC-7931-417B-B4AC-6E77E65A10F3">the full example</a>.</p>
+
+
+</div></div></div><div class="footer"><hr/><div class="copy">© Nokia 2009.</div></div></body></html>
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FCL/sftools/dev/eclipseenv/wrttools