Symbian3/PDK/Source/GUID-C135B8D8-DA5A-5852-9C2D-18622404FE99.dita
changeset 5 f345bda72bc4
parent 3 46218c8b8afa
child 14 578be2adaf3e
--- a/Symbian3/PDK/Source/GUID-C135B8D8-DA5A-5852-9C2D-18622404FE99.dita	Tue Mar 30 11:42:04 2010 +0100
+++ b/Symbian3/PDK/Source/GUID-C135B8D8-DA5A-5852-9C2D-18622404FE99.dita	Tue Mar 30 11:56:28 2010 +0100
@@ -1,34 +1,34 @@
-<?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-C135B8D8-DA5A-5852-9C2D-18622404FE99" xml:lang="en"><title>UID Protection</title><shortdesc>Describes the identifiers used in a polymorphic DLL.</shortdesc><prolog><metadata><keywords/></metadata></prolog><conbody>
-<p>All files have an associated compound identifier, a <xref href="GUID-B6D6B0AD-B15C-339A-8540-40540885089A.dita"><apiname>TUidType</apiname></xref>,
-comprising three component UIDs that together identify the file. A compound
-identifier is also commonly known as a UID type.</p>
-<p>For a polymorphic DLL, the first UID component always has the value <codeph>KDynamicLibraryUidValue</codeph>.
-The second UID component is used to verify that the DLL satisfies the protocol
-defined by the programming interface. Indeed, this UID <i>identifies</i> that
-protocol. The third UID component is used to identify a specific implementation;
-the use of the third component UID depends on the protocol.</p>
-<p>For a UI application, the second UID component takes the value <codeph>KAppUidValue</codeph>.
-The third UID component must be defined and must be unique in order to differentiate
-it from all other applications. In contrast, a DLL which implements a printer
-driver does not require a third UID component.</p>
-<p>The use of UIDs in DLLs provides a guarantee that the loaded DLL is the
-correct type. This prevents files which just happen to have the right name
-from being loaded inadvertently.</p>
-<p>A polymorphic interface DLL is loaded dynamically. The handle to the DLL
-is encapsulated by an <codeph>RLibrary</codeph> object. The <codeph>Type()</codeph> member
-function of <codeph>RLibrary</codeph> is used to return the DLL's <codeph>TUidType</codeph> from
-which the individual UID components can be extracted.</p>
-<p><codeph>KDynamicLibraryUidValue</codeph> is defined in <filepath>e32uid.h</filepath> and <codeph>KAppUidValue</codeph> is
-defined in <filepath>apadef.h</filepath>.</p>
+<?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-C135B8D8-DA5A-5852-9C2D-18622404FE99" xml:lang="en"><title>UID Protection</title><shortdesc>Describes the identifiers used in a polymorphic DLL.</shortdesc><prolog><metadata><keywords/></metadata></prolog><conbody>
+<p>All files have an associated compound identifier, a <xref href="GUID-B6D6B0AD-B15C-339A-8540-40540885089A.dita"><apiname>TUidType</apiname></xref>,
+comprising three component UIDs that together identify the file. A compound
+identifier is also commonly known as a UID type.</p>
+<p>For a polymorphic DLL, the first UID component always has the value <codeph>KDynamicLibraryUidValue</codeph>.
+The second UID component is used to verify that the DLL satisfies the protocol
+defined by the programming interface. Indeed, this UID <i>identifies</i> that
+protocol. The third UID component is used to identify a specific implementation;
+the use of the third component UID depends on the protocol.</p>
+<p>For a UI application, the second UID component takes the value <codeph>KAppUidValue</codeph>.
+The third UID component must be defined and must be unique in order to differentiate
+it from all other applications. In contrast, a DLL which implements a printer
+driver does not require a third UID component.</p>
+<p>The use of UIDs in DLLs provides a guarantee that the loaded DLL is the
+correct type. This prevents files which just happen to have the right name
+from being loaded inadvertently.</p>
+<p>A polymorphic interface DLL is loaded dynamically. The handle to the DLL
+is encapsulated by an <codeph>RLibrary</codeph> object. The <codeph>Type()</codeph> member
+function of <codeph>RLibrary</codeph> is used to return the DLL's <codeph>TUidType</codeph> from
+which the individual UID components can be extracted.</p>
+<p><codeph>KDynamicLibraryUidValue</codeph> is defined in <filepath>e32uid.h</filepath> and <codeph>KAppUidValue</codeph> is
+defined in <filepath>apadef.h</filepath>.</p>
 </conbody></concept>
\ No newline at end of file