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diff --git a/examples/serialbus/can/sendframebox.h b/examples/serialbus/can/sendframebox.h
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+/****************************************************************************
+**
+** Copyright (C) 2017 Andre Hartmann <aha_1980@gmx.de>
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the examples of the QtSerialBus module.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** 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 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."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef SENDFRAMEBOX_H
+#define SENDFRAMEBOX_H
+
+#include <QCanBusFrame>
+#include <QGroupBox>
+#include <QRegularExpression>
+#include <QValidator>
+
+namespace Ui {
+class SendFrameBox;
+}
+
+class HexIntegerValidator : public QValidator
+{
+    Q_OBJECT
+public:
+    explicit HexIntegerValidator(QObject *parent = nullptr);
+
+    QValidator::State validate(QString &input, int &) const;
+
+    void setMaximum(uint maximum);
+
+private:
+    uint m_maximum = 0;
+};
+
+class HexStringValidator : public QValidator
+{
+    Q_OBJECT
+
+public:
+    explicit HexStringValidator(QObject *parent = nullptr);
+
+    QValidator::State validate(QString &input, int &pos) const;
+
+    void setMaxLength(int maxLength);
+
+private:
+    int m_maxLength = 0;
+};
+
+class SendFrameBox : public QGroupBox
+{
+    Q_OBJECT
+
+public:
+    explicit SendFrameBox(QWidget *parent = nullptr);
+    ~SendFrameBox();
+
+signals:
+    void sendFrame(const QCanBusFrame &frame);
+
+private:
+    Ui::SendFrameBox *m_ui = nullptr;
+
+    HexIntegerValidator *m_hexIntegerValidator = nullptr;
+    HexStringValidator *m_hexStringValidator = nullptr;
+};
+
+#endif // SENDFRAMEBOX_H