--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/doc/src/snippets/code/doc_src_qt4-intro.qdoc	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,142 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 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]
+QT -= gui
+//! [0]
+
+
+//! [1]
+QT += network opengl sql qt3support
+//! [1]
+
+
+//! [2]
+CONFIG += uic3
+//! [2]
+
+
+//! [3]
+#include <QClassName>
+//! [3]
+
+
+//! [4]
+#include <QString>
+#include <QApplication>
+#include <QSqlTableModel>
+//! [4]
+
+
+//! [5]
+#include <qclassname.h>
+//! [5]
+
+
+//! [6]
+#include <QtCore>
+//! [6]
+
+
+//! [7]
+using namespace Qt;
+//! [7]
+
+
+//! [8]
+QLabel *label1 = new QLabel("Hello", this);
+QLabel *label2 = new QLabel(this, "Hello");
+//! [8]
+
+
+//! [9]
+MyWidget::MyWidget(QWidget *parent, const char *name)
+    : QWidget(parent, name)
+{
+    ...
+}
+//! [9]
+
+
+//! [10]
+// DEPRECATED
+if (obj->inherits("QPushButton")) {
+    QPushButton *pushButton = (QPushButton *)obj;
+    ...
+}
+//! [10]
+
+
+//! [11]
+QPushButton *pushButton = qobject_cast<QPushButton *>(obj);
+if (pushButton) {
+    ...
+}
+//! [11]
+
+
+//! [12]
+QLabel *label = new QLabel;
+QPointer<QLabel> safeLabel = label;
+safeLabel->setText("Hello world!");
+delete label;
+// safeLabel is now 0, whereas label is a dangling pointer
+//! [12]
+
+
+//! [13]
+QT += qt3support
+//! [13]
+
+
+//! [14]
+DEFINES += QT3_SUPPORT
+//! [14]
+
+
+//! [15]
+DEFINES += QT3_SUPPORT_WARNINGS
+//! [15]
+
+
+//! [16]
+DEFINES += QT3_SUPPORT
+//! [16]