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+++ b/Symbian3/SDK/Source/GUID-BBBA5C6C-4E8B-513A-8FA1-C7A04C54C140.dita	Thu Jan 21 18:18:20 2010 +0000
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+<?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 concept
+  PUBLIC "-//OASIS//DTD DITA Concept//EN" "concept.dtd">
+<concept id="GUID-BBBA5C6C-4E8B-513A-8FA1-C7A04C54C140" xml:lang="en"><title>Clipboard</title><prolog><metadata><keywords/></metadata></prolog><conbody>
+<p>Symbian platform supports the concept of cut, copy and paste by providing
+a clipboard. An application can copy data to the clipboard and the same data
+can then be pasted in by the same application or by any other application. </p>
+<p>The clipboard is a resource which is shared by all applications. An application
+must, therefore, hold the clipboard for the minimum time possible. </p>
+<section><title>Cut, copy and paste</title> <p>The clipboard is encapsulated
+by the <codeph>CClipboard</codeph> class. Applications use this class when
+they place data on, or retrieve data from the clipboard. </p> <p>It is implemented
+as a direct file store. When the data is placed on the clipboard, it is stored
+in the clipboard's store as a stream or a network of streams. Every data type
+placed on the clipboard is identified by a UID. This allows a pasting application
+to identify the required data. </p> <p>It uses a stream dictionary to maintain
+UID and stream ID pairs, and always makes the stream dictionary the root stream
+of the store. </p> <p>The essential features of the <codeph>CClipboard</codeph> class
+are shown in the following diagram: </p> <fig id="GUID-22419444-933C-5431-9717-CD332A17FCF2">
+<title>              Clipboard class structure            </title>
+<image href="GUID-15591211-58D3-56B6-868F-D34C30ED7A7A_d0e153880_href.png" placement="inline"/>
+</fig> <p>Any type of data can be placed on the clipboard. When retrieving
+data, applications check the UID in the stream dictionary to determine whether
+there is any data relevant to them. The following diagram illustrates a typical
+situation: </p> <fig id="GUID-3ABDDCDD-DBC9-5BD5-8448-8249F535FB06">
+<title>              Clipboard store            </title>
+<image href="GUID-F5B58B20-B85C-5BCD-B1EB-69CCE42DE6BB_d0e153891_href.png" placement="inline"/>
+</fig> </section>
+</conbody><related-links>
+<link href="GUID-8C94EE15-82EA-4A95-9044-C3404F95BD51.dita"><linktext>Using
+Clipboard</linktext></link>
+<link href="GUID-B683496C-652E-5F48-924E-52D2FF3A78A7.dita"><linktext>Direct file
+stores</linktext></link>
+<link href="GUID-79F39C97-75E8-5DB1-B976-8FE76E6E60C9.dita"><linktext>Dictionary
+stores</linktext></link>
+<link href="GUID-AB705D21-87A3-5F32-A4B9-17B7593DD5C3.dita"><linktext>UID manipulation</linktext>
+</link>
+</related-links></concept>
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