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diff --git a/doc/src/snippets/code/src_gui_dialogs_qmessagebox.cpp b/doc/src/snippets/code/src_gui_dialogs_qmessagebox.cpp
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+++ b/doc/src/snippets/code/src_gui_dialogs_qmessagebox.cpp
@@ -0,0 +1,148 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 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.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+** * Redistributions of source code must retain the above copyright
+** notice, this list of conditions and the following disclaimer.
+** * Redistributions in binary form must reproduce the above copyright
+** notice, this list of conditions and the following disclaimer in
+** the documentation and/or other materials provided with the
+** distribution.
+** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
+** the names of its contributors may be used to endorse or promote
+** products derived from this software without specific prior written
+** permission.
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//! [0]
+int ret = QMessageBox::warning(this, tr("My Application"),
+ tr("The document has been modified.\n"
+ "Do you want to save your changes?"),
+ QMessageBox::Save | QMessageBox::Discard
+ | QMessageBox::Cancel,
+ QMessageBox::Save);
+//! [0]
+
+
+//! [1]
+QMessageBox msgBox;
+msgBox.setStandardButtons(QMessageBox::Yes | QMessageBox::No);
+switch (msgBox.exec()) {
+case QMessageBox::Yes:
+ // yes was clicked
+ break;
+case QMessageBox::No:
+ // no was clicked
+ break;
+default:
+ // should never be reached
+ break;
+}
+//! [1]
+
+
+//! [2]
+QMessageBox msgBox;
+QPushButton *connectButton = msgBox.addButton(tr("Connect"), QMessageBox::ActionRole);
+QPushButton *abortButton = msgBox.addButton(QMessageBox::Abort);
+
+msgBox.exec();
+
+if (msgBox.clickedButton() == connectButton) {
+ // connect
+} else if (msgBox.clickedButton() == abortButton) {
+ // abort
+}
+//! [2]
+
+
+//! [3]
+QMessageBox messageBox(this);
+QAbstractButton *disconnectButton =
+ messageBox.addButton(tr("Disconnect"), QMessageBox::ActionRole);
+...
+messageBox.exec();
+if (messageBox.clickedButton() == disconnectButton) {
+ ...
+}
+//! [3]
+
+
+//! [4]
+#include <QApplication>
+#include <QMessageBox>
+
+int main(int argc, char *argv[])
+{
+ QT_REQUIRE_VERSION(argc, argv, "4.0.2")
+
+ QApplication app(argc, argv);
+ ...
+ return app.exec();
+}
+//! [4]
+
+//! [5]
+QMessageBox msgBox;
+msgBox.setText("The document has been modified.");
+msgBox.exec();
+//! [5]
+
+//! [6]
+QMessageBox msgBox;
+msgBox.setText("The document has been modified.");
+msgBox.setInformativeText("Do you want to save your changes?");
+msgBox.setStandardButtons(QMessageBox::Save | QMessageBox::Discard | QMessageBox::Cancel);
+msgBox.setDefaultButton(QMessageBox::Save);
+int ret = msgBox.exec();
+//! [6]
+
+//! [7]
+switch (ret) {
+ case QMessageBox::Save:
+ // Save was clicked
+ break;
+ case QMessageBox::Discard:
+ // Don't Save was clicked
+ break;
+ case QMessageBox::Cancel:
+ // Cancel was clicked
+ break;
+ default:
+ // should never be reached
+ break;
+}
+//! [7]
+
+//! [9]
+QMessageBox msgBox(this);
+msgBox.setText(tr("The document has been modified.\n"
+ "Do you want to save your changes?"));
+msgBox.setStandardButtons(QMessageBox::Save | QMessageBox::Discard
+ | QMessageBox::Cancel);
+msgBox.setDefaultButton(QMessageBox::Save);
+//! [9]