Symbian3/SDK/Source/GUID-8FC2BA94-2374-5BFE-B4CF-624A6B0056BC.dita
changeset 0 89d6a7a84779
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Symbian3/SDK/Source/GUID-8FC2BA94-2374-5BFE-B4CF-624A6B0056BC.dita	Thu Jan 21 18:18:20 2010 +0000
@@ -0,0 +1,61 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies) All rights reserved. -->
+<!-- This component and the accompanying materials are made available under the terms of the License 
+"Eclipse Public License v1.0" which accompanies this distribution, 
+and is available at the URL "http://www.eclipse.org/legal/epl-v10.html". -->
+<!-- Initial Contributors:
+    Nokia Corporation - initial contribution.
+Contributors: 
+-->
+<!DOCTYPE task
+  PUBLIC "-//OASIS//DTD DITA Task//EN" "task.dtd">
+<task xml:lang="en" id="GUID-8FC2BA94-2374-5BFE-B4CF-624A6B0056BC"><title>Call Waiting Status Tutorial</title><shortdesc>This tutorial describes how to get the call waiting status information with the telephony API for applications. </shortdesc><prolog><metadata><keywords/></metadata></prolog><taskbody> <steps id="GUID-E24D656A-701E-5B29-B189-06304C4C7DE5"> <step id="GUID-4CDC8306-6814-5E5F-835A-694D1849A746"><cmd/><info>create a new instance of <xref href="GUID-97D402C8-B4B7-385A-92B3-D3FCC0CA575A.dita"><apiname>CTelephony</apiname></xref>  </info> </step> <step id="GUID-C37BEE6E-CB6F-50ED-81F1-4523E2312A6C"><cmd/><info>call<xref href="GUID-97D402C8-B4B7-385A-92B3-D3FCC0CA575A.dita"><apiname> CTelephony::GetCallWaitingStatus()</apiname></xref> to get the call waiting information </info> </step> <step id="GUID-020F7560-2DC2-59E1-B685-579A33235C56"><cmd/><info>you can cancel the asynchronous request with a <xref href="GUID-97D402C8-B4B7-385A-92B3-D3FCC0CA575A.dita"><apiname>CTelephony::EGetCallWaitingStatusCancel</apiname></xref> enumeration. </info> </step> </steps> <example id="GUID-F3885187-FB33-5490-87C5-184138F7E4B3"><title>Call waiting status example</title> <codeblock id="GUID-05F9F0DE-5D96-55F8-B1B9-A9CE858CF5B7" xml:space="preserve">#include &lt;e32base.h&gt;
+#include &lt;Etel3rdParty.h&gt;
+
+class CClientApp : public CActive
+    { 
+
+private:
+    CTelephony* iTelephony;
+    CTelephony::TCallWaitingSupplServicesV1 iCallWaitingSupplServicesV1;
+    CTelephony::TCallWaitingSupplServicesV1Pckg iCallWaitingSupplServicesV1Pckg;
+
+public:
+    CClientApp(CTelephony* aTelephony);
+    void SomeFunction();
+
+private:
+    /*
+       These are the pure virtual methods from CActive that  
+       MUST be implemented by all active objects
+       */
+    void RunL();
+    void DoCancel();
+   };
+
+CClientApp::CClientApp(CTelephony* aTelephony)
+    : CActive(EPriorityStandard),
+      iTelephony(aTelephony),
+      iCallWaitingSupplServicesV1Pckg(iCallWaitingSupplServicesV1)
+    {
+    //default constructor
+    }
+
+void CClientApp::SomeFunction()
+    {
+    iTelephony-&gt;GetCallWaitingStatus(iStatus, iCallWaitingSupplServicesV1Pckg);
+    SetActive();
+    }
+
+void CClientApp::RunL()
+    {
+    if(iStatus==KErrNone)
+       {
+       CTelephony::TSupplServiceStatus callWaitingStatus = iCallWaitingSupplServicesV1.iCallWaiting;
+       }
+    }
+
+void CClientApp::DoCancel()
+    {
+    iTelephony-&gt;CancelAsync(CTelephony::EGetCallWaitingStatusCancel);
+    }</codeblock> </example> </taskbody></task>
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