Symbian3/Examples/guid-6013a680-57f9-415b-8851-c4fa63356636/_interface_client_8cpp-source.html
author Dominic Pinkman <Dominic.Pinkman@Nokia.com>
Thu, 11 Mar 2010 15:24:26 +0000
changeset 2 ebc84c812384
parent 1 25a17d01db0c
permissions -rw-r--r--
week 10 bug fix submission: Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<html><head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
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<title>TB10.1 Example Applications: examples/SysLibs/ECom/InterfaceClient/InterfaceClient.cpp Source File</title>
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<link href="doxygen.css" rel="stylesheet" type="text/css">
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<link href="tabs.css" rel="stylesheet" type="text/css">
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</head><body>
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<!-- Generated by Doxygen 1.5.3 -->
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<h1>examples/SysLibs/ECom/InterfaceClient/InterfaceClient.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// Copyright (c) 2001-2009 Nokia Corporation and/or its subsidiary(-ies).</span>
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<a name="l00002"></a>00002 <span class="comment">// All rights reserved.</span>
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<a name="l00003"></a>00003 <span class="comment">// This component and the accompanying materials are made available</span>
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<a name="l00004"></a>00004 <span class="comment">// under the terms of "Eclipse Public License v1.0"</span>
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<a name="l00005"></a>00005 <span class="comment">// which accompanies this distribution, and is available</span>
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<a name="l00006"></a>00006 <span class="comment">// at the URL "http://www.eclipse.org/legal/epl-v10.html".</span>
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<a name="l00007"></a>00007 <span class="comment">//</span>
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<a name="l00008"></a>00008 <span class="comment">// Initial Contributors:</span>
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<a name="l00009"></a>00009 <span class="comment">// Nokia Corporation - initial contribution.</span>
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<a name="l00010"></a>00010 <span class="comment">//</span>
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<a name="l00011"></a>00011 <span class="comment">// Contributors:</span>
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<a name="l00012"></a>00012 <span class="comment">//</span>
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<a name="l00013"></a>00013 <span class="comment">// Description:</span>
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<a name="l00014"></a>00014 <span class="comment">//</span>
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<a name="l00015"></a>00015 
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<a name="l00016"></a>00016 <span class="preprocessor">#include &lt;badesca.h&gt;</span>
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<a name="l00017"></a>00017 
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<a name="l00018"></a>00018 <span class="preprocessor">#include &lt;interface.h&gt;</span>
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<a name="l00020"></a>00020 <span class="preprocessor">#include "CommonFramework.h"</span>
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<a name="l00021"></a>00021 <span class="preprocessor">#include "InterfaceClient.h"</span>
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<a name="l00023"></a>00023 <span class="comment">// Utility clean up function</span>
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<a name="l00024"></a>00024 <span class="keywordtype">void</span> CleanupEComArray(TAny* aArray);
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<a name="l00026"></a>00026 <span class="comment">// do the example</span>
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<a name="l00027"></a>00027 LOCAL_C <span class="keywordtype">void</span> doExampleL()
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<a name="l00028"></a>00028     {
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<a name="l00029"></a>00029         _LIT(KText,<span class="stringliteral">"ECom client example\n\n"</span>);
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<a name="l00030"></a>00030         <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>-&gt;Printf(KText);
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<a name="l00031"></a>00031 
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<a name="l00032"></a>00032         <a class="code" href="class_t_interface_client.html">TInterfaceClient</a> client;
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<a name="l00033"></a>00033         client.<a class="code" href="class_t_interface_client.html#0032afb0cdbeb3021c51990e381b2e67">GetDefaultL</a>();
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<a name="l00034"></a>00034         client.<a class="code" href="class_t_interface_client.html#560333d7940a17071f1f55e6e1651664">GetBySpecificationL</a>();
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<a name="l00035"></a>00035         client.<a class="code" href="class_t_interface_client.html#70e327c1a6ddddbad8975e28c5574174">GetByDiscoveryL</a>();
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<a name="l00036"></a>00036         
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<a name="l00037"></a>00037         REComSession::FinalClose();
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<a name="l00038"></a>00038         }
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<a name="l00039"></a>00039 
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<a name="l00040"></a><a class="code" href="class_t_interface_client.html#0032afb0cdbeb3021c51990e381b2e67">00040</a> <span class="keywordtype">void</span> <a class="code" href="class_t_interface_client.html#0032afb0cdbeb3021c51990e381b2e67">TInterfaceClient::GetDefaultL</a>()
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<a name="l00041"></a>00041         {
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<a name="l00042"></a>00042         _LIT(KText,<span class="stringliteral">"Case 1: getting the default implementation\n"</span>);
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<a name="l00043"></a>00043         <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>-&gt;Printf(KText);
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<a name="l00044"></a>00044 
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<a name="l00045"></a>00045         <span class="comment">// Get the default implementation and call its method</span>
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<a name="l00046"></a>00046         <a class="code" href="class_c_example_interface.html">CExampleInterface</a>* ex1 = <a class="code" href="class_c_example_interface.html#df5bfdbfe9ff3efd85db940282cf7df8">CExampleInterface::NewL</a>();
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<a name="l00047"></a>00047         CleanupStack::PushL(ex1);
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<a name="l00048"></a>00048         TBuf&lt;100&gt; buf;
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<a name="l00049"></a>00049         ex1 -&gt; DoMethodL(buf);
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<a name="l00050"></a>00050         CleanupStack::PopAndDestroy(); <span class="comment">//ex1</span>
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<a name="l00051"></a>00051 
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<a name="l00052"></a>00052         <span class="comment">// Print results</span>
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<a name="l00053"></a>00053         <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a> -&gt; Printf(buf);
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<a name="l00054"></a>00054         }
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<a name="l00055"></a>00055 
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<a name="l00056"></a><a class="code" href="class_t_interface_client.html#560333d7940a17071f1f55e6e1651664">00056</a> <span class="keywordtype">void</span> <a class="code" href="class_t_interface_client.html#560333d7940a17071f1f55e6e1651664">TInterfaceClient::GetBySpecificationL</a>()
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<a name="l00057"></a>00057         {
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<a name="l00058"></a>00058         _LIT(KText,<span class="stringliteral">"\nCase 2: getting an implementation by specification\n"</span>);
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<a name="l00059"></a>00059         <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>-&gt;Printf(KText);
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<a name="l00061"></a>00061         <span class="comment">// Prepare data to pass to implementation</span>
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<a name="l00062"></a>00062         <a class="code" href="struct_c_example_interface_1_1_t_example_interface_init_params.html">CExampleInterface::TExampleInterfaceInitParams</a> p;
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<a name="l00063"></a>00063         p.<a class="code" href="struct_c_example_interface_1_1_t_example_interface_init_params.html#3025040f58ba6db63ce88a44b585fb58">integer</a> = 0;
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<a name="l00064"></a>00064         _LIT(KMsg1,<span class="stringliteral">"Data in value: %d\n"</span>);
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<a name="l00065"></a>00065         <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a> -&gt; Printf(KMsg1,p.<a class="code" href="struct_c_example_interface_1_1_t_example_interface_init_params.html#3025040f58ba6db63ce88a44b585fb58">integer</a>);
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<a name="l00067"></a>00067         <span class="comment">// Get the implementation that has a data identifier text/xml</span>
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<a name="l00068"></a>00068         _LIT8(KSpec,<span class="stringliteral">"text/xml"</span>);
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<a name="l00069"></a>00069         <a class="code" href="class_c_example_interface.html">CExampleInterface</a>* ex1 = <a class="code" href="class_c_example_interface.html#df5bfdbfe9ff3efd85db940282cf7df8">CExampleInterface::NewL</a>(KSpec,p);
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<a name="l00070"></a>00070         CleanupStack::PushL(ex1);
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<a name="l00071"></a>00071         TBuf&lt;100&gt; buf;
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<a name="l00072"></a>00072         ex1 -&gt; DoMethodL(buf);
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<a name="l00073"></a>00073         CleanupStack::PopAndDestroy(); <span class="comment">//ex1</span>
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<a name="l00074"></a>00074 
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<a name="l00075"></a>00075         <span class="comment">// Print results</span>
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<a name="l00076"></a>00076         <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a> -&gt; Printf(buf);
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<a name="l00077"></a>00077         _LIT(KMsg2,<span class="stringliteral">"Data out value: %d\n"</span>);
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<a name="l00078"></a>00078         <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a> -&gt; Printf(KMsg2,p.<a class="code" href="struct_c_example_interface_1_1_t_example_interface_init_params.html#3025040f58ba6db63ce88a44b585fb58">integer</a>);
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<a name="l00079"></a>00079         }
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<a name="l00080"></a>00080 
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<a name="l00081"></a>00081 
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<a name="l00082"></a><a class="code" href="class_t_interface_client.html#70e327c1a6ddddbad8975e28c5574174">00082</a> <span class="keywordtype">void</span> <a class="code" href="class_t_interface_client.html#70e327c1a6ddddbad8975e28c5574174">TInterfaceClient::GetByDiscoveryL</a>()
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<a name="l00083"></a>00083         {
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<a name="l00084"></a>00084         _LIT(KText,<span class="stringliteral">"\nCase 3: getting all implementations\n"</span>);
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<a name="l00085"></a>00085         <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>-&gt;Printf(KText);
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<a name="l00086"></a>00086 
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<a name="l00087"></a>00087         <span class="comment">// Read info about all implementations into infoArray</span>
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<a name="l00088"></a>00088         RImplInfoPtrArray infoArray;
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<a name="l00089"></a>00089         <span class="comment">// Note that a special cleanup function is required to reset and destroy</span>
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<a name="l00090"></a>00090         <span class="comment">// all items in the array, and then close it.</span>
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<a name="l00091"></a>00091         TCleanupItem cleanup(CleanupEComArray, &amp;infoArray);
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<a name="l00092"></a>00092         CleanupStack::PushL(cleanup);
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<a name="l00093"></a>00093         <a class="code" href="class_c_example_interface.html#969ab4804c42e0abe18f7ce80c06964f">CExampleInterface::ListAllImplementationsL</a>(infoArray);
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<a name="l00094"></a>00094 
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<a name="l00095"></a>00095         <span class="comment">// Loop through each info for each implementation</span>
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<a name="l00096"></a>00096         <span class="comment">// and create and use each in turn</span>
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<a name="l00097"></a>00097         <a class="code" href="class_c_example_interface.html">CExampleInterface</a>* ex;
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<a name="l00098"></a>00098         TBuf&lt;255&gt; buf;
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<a name="l00099"></a>00099         <span class="keywordflow">for</span> (TInt i=0; i&lt; infoArray.Count(); i++)
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<a name="l00100"></a>00100                 {
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<a name="l00101"></a>00101                 <span class="comment">// Slice off first sub-section in the data section</span>
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<a name="l00102"></a>00102                 TPtrC8 type = infoArray[i]-&gt;DataType();
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<a name="l00103"></a>00103                 type.Set(type.Left(type.Locate(<span class="charliteral">'|'</span>)));
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<a name="l00104"></a>00104                 <span class="comment">// Need to convert narrow descriptor to be wide in order to print it</span>
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<a name="l00105"></a>00105                 buf.Copy(type);
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<a name="l00106"></a>00106                 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a> -&gt; Printf(buf);
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<a name="l00107"></a>00107                 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a> -&gt; Printf(_L(<span class="stringliteral">": "</span>));
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<a name="l00108"></a>00108 
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<a name="l00109"></a>00109                 <span class="comment">// Create object of type and call its function</span>
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<a name="l00110"></a>00110                 ex = <a class="code" href="class_c_example_interface.html#df5bfdbfe9ff3efd85db940282cf7df8">CExampleInterface::NewL</a>(type);
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<a name="l00111"></a>00111                 CleanupStack::PushL(ex);
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<a name="l00112"></a>00112                 ex -&gt; DoMethodL(buf);
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<a name="l00113"></a>00113                 CleanupStack::PopAndDestroy(); <span class="comment">//ex</span>
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<a name="l00114"></a>00114 
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<a name="l00115"></a>00115                 <span class="comment">// Print results</span>
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<a name="l00116"></a>00116                 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a> -&gt; Printf(buf); 
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<a name="l00117"></a>00117                 
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<a name="l00118"></a>00118                 ex = NULL;
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<a name="l00119"></a>00119                 buf.Zero();
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<a name="l00120"></a>00120                 }
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<a name="l00121"></a>00121 
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<a name="l00122"></a>00122         <span class="comment">// Clean up</span>
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<a name="l00123"></a>00123         CleanupStack::PopAndDestroy(); <span class="comment">//infoArray, results in a call to CleanupEComArray</span>
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<a name="l00124"></a>00124         }
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<a name="l00125"></a>00125 
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<a name="l00126"></a>00126 <span class="comment">// CleanupEComArray function is used for cleanup support of locally declared arrays</span>
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<a name="l00127"></a>00127 <span class="keywordtype">void</span> CleanupEComArray(TAny* aArray)
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<a name="l00128"></a>00128         {
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<a name="l00129"></a>00129         (<span class="keyword">static_cast&lt;</span>RImplInfoPtrArray*<span class="keyword">&gt;</span> (aArray))-&gt;ResetAndDestroy();
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<a name="l00130"></a>00130         (<span class="keyword">static_cast&lt;</span>RImplInfoPtrArray*<span class="keyword">&gt;</span> (aArray))-&gt;Close();
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<a name="l00131"></a>00131         }
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<a name="l00132"></a>00132 
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</pre></div><hr size="1"><address style="text-align: right;"><small>Generated on Thu Jan 21 10:33:00 2010 for TB10.1 Example Applications by&nbsp;
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<a href="http://www.doxygen.org/index.html">
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<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.3 </small></address>
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</body>
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</html>