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diff --git a/sources/pyside2/doc/codesnippets/doc/src/snippets/qtreeview-dnd/treeitem.cpp b/sources/pyside2/doc/codesnippets/doc/src/snippets/qtreeview-dnd/treeitem.cpp
new file mode 100644
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+++ b/sources/pyside2/doc/codesnippets/doc/src/snippets/qtreeview-dnd/treeitem.cpp
@@ -0,0 +1,135 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the examples of PySide2.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** BSD License Usage
+** Alternatively, 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 The Qt Company Ltd 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."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+/*
+    treeitem.cpp
+
+    A container for items of data supplied by the simple tree model.
+*/
+
+#include <QStringList>
+
+#include "treeitem.h"
+
+TreeItem::TreeItem(const QList<QVariant> &data, TreeItem *parent)
+{
+    parentItem = parent;
+    itemData = data;
+}
+
+TreeItem::~TreeItem()
+{
+    qDeleteAll(childItems);
+}
+
+void TreeItem::appendChild(TreeItem *item)
+{
+    childItems.append(item);
+}
+
+TreeItem *TreeItem::child(int row)
+{
+    return childItems.value(row);
+}
+
+int TreeItem::childCount() const
+{
+    return childItems.count();
+}
+
+int TreeItem::columnCount() const
+{
+    return itemData.count();
+}
+
+QVariant TreeItem::data(int column) const
+{
+    return itemData.value(column);
+}
+
+bool TreeItem::insertChild(int row, TreeItem *item)
+{
+    if (row < 0 || row > childItems.count())
+        return false;
+
+    childItems.insert(row, item);
+    return true;
+}
+
+TreeItem *TreeItem::parent()
+{
+    return parentItem;
+}
+
+bool TreeItem::removeChild(int row)
+{
+    if (row < 0 || row >= childItems.count())
+        return false;
+
+    delete childItems.takeAt(row);
+    return true;
+}
+
+int TreeItem::row() const
+{
+    if (parentItem)
+        return parentItem->childItems.indexOf(const_cast<TreeItem*>(this));
+
+    return 0;
+}
+
+bool TreeItem::setData(int column, const QVariant &data)
+{
+    if (column < 0 || column >= itemData.count())
+        return false;
+
+    itemData.replace(column, data);
+    return true;
+}