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1 <?xml version="1.0" encoding="utf-8"?> |
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2 <!-- Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies) All rights reserved. --> |
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3 <!-- This component and the accompanying materials are made available under the terms of the License |
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4 "Eclipse Public License v1.0" which accompanies this distribution, |
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5 and is available at the URL "http://www.eclipse.org/legal/epl-v10.html". --> |
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6 <!-- Initial Contributors: |
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7 Nokia Corporation - initial contribution. |
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8 Contributors: |
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9 --> |
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10 <!DOCTYPE concept |
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11 PUBLIC "-//OASIS//DTD DITA Concept//EN" "concept.dtd"> |
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12 <concept xml:lang="en" id="GUID-2A6C43A6-D5D3-5DC1-871C-C1428D2DB2E6"><title>How to access reference counting objects in object containers</title><prolog><metadata><keywords/></metadata></prolog><conbody><p>The following code fragment retrieves a pointer to the reference counting object with the name "Monday". It assumes that such a reference counting object does exist.</p> <codeblock id="GUID-3621E878-0505-5040-B034-6F6937F6D0A1" xml:space="preserve">... |
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13 class CMyobject : public CObject |
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14 { |
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15 ... |
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16 }; |
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17 |
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18 _LIT(KMatcher,"Monday"); |
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19 ... |
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20 CMyobject* theobject; |
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21 CObjectCon* thecontainer; |
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22 TInt thefindhandle; |
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23 TName objname; |
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24 ... |
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25 thecontainer->FindByName(thefindhandle,KMatcher,objname); |
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26 theobject = (CMyObject*)thecontainer->AtL(thefindhandle); |
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27 ...</codeblock> <p>The following code fragment retrieves pointers to all of the reference counting objects whose names end with "day":</p> <codeblock id="GUID-0AA53FC1-FEDA-5C0E-AA68-AAD8D564E4D0" xml:space="preserve">... |
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28 class CMyobject : public CObject |
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29 { |
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30 ... |
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31 }; |
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32 |
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33 _LIT(KMatcher,"*day"); |
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34 ... |
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35 CMyobject* theobject; |
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36 CObjectCon* thecontainer; |
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37 TInt thefindhandle; |
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38 TName objname; |
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39 ... |
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40 thefindhandle = 0; |
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41 while (thecontainer->FindByName(thefindhandle,KMatcher,objname)==KerrNone) |
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42 { |
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43 // objname contains the reference counting object's |
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44 // name, e.g. "Monday" or "Tuesday" |
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45 ... |
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46 theobject = (CMyobject*)thecontainer->AtL(thefindhandle); |
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47 ... |
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48 } |
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49 // Now found all matching reference counting objects |
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50 ...</codeblock> </conbody></concept> |