diff -r 41300fa6a67c -r f7bc934e204c doc/src/snippets/code/src_qdbus_qdbusinterface.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/doc/src/snippets/code/src_qdbus_qdbusinterface.cpp	Wed Mar 31 11:06:36 2010 +0300
@@ -0,0 +1,52 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the documentation of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//! [0]
+QDBusInterface remoteApp( "com.example.Calculator", "/Calculator/Operations",
+                          "org.mathematics.RPNCalculator" );
+remoteApp.call( "PushOperand", 2 );
+remoteApp.call( "PushOperand", 2 );
+remoteApp.call( "ExecuteOperation", "+" );
+QDBusReply<int> reply = remoteApp.call( "PopOperand" );
+
+if ( reply.isValid() )
+    printf( "%d", reply.value() );          // prints 4
+//! [0]