QCustomPlot Discussion and Comments

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I get the following error when I build my application using dynamic linking of Qqcustomplot. If I include qcustomplot.h and cpp no crash occurs.

I don't know where the problem is. In the following there is a test case that derives QCustomplot.
Basically I derived QCustomplot. The plot is added in a QMdiArea as subwindow. When I close the tab, the application crashes if Qcustomplot are linked dynamically.

I'm using QCustomPlot 2.0.0, Qt 5.6.2 and MSVC 2015.

Derived class:

mytabplot.cpp

myTabPlot::myTabPlot(QWidget *parent) : QWidget(parent)
{

    setAttribute(Qt::WA_DeleteOnClose);

    m_plot = new QCustomPlot();


    QGridLayout *plotAreaLayout = new QGridLayout();
    plotAreaLayout->addWidget(m_plot);
    setLayout(plotAreaLayout);

}

mytabplot.h

class myTabPlot : public QWidget
{
    Q_OBJECT
public:
    explicit myTabPlot(QWidget *parent = 0);

private:
    QCustomPlot *m_plot;
};

This class is then instanted within the mainwindow as follow:

MainWindow::MainWindow(QWidget *parent)
    : QMainWindow(parent)
{
    m_MdiArea = new QMdiArea(this);
    m_MdiArea->setViewMode(QMdiArea::TabbedView);
    m_MdiArea->setHorizontalScrollBarPolicy(Qt::ScrollBarAsNeeded);
    m_MdiArea->setVerticalScrollBarPolicy(Qt::ScrollBarAsNeeded);
    m_MdiArea->setTabsClosable(true);
    setCentralWidget(m_MdiArea);

    myTabPlot *child = new myTabPlot();

    child->setAttribute(Qt::WA_DeleteOnClose);
    m_MdiArea->addSubWindow(child);

    connect(m_MdiArea,SIGNAL(subWindowActivated(QMdiSubWindow*)),this,SLOT(setActiveSubWindow(QMdiSubWindow*)));

    qDebug() << "tab initializedd";

}

MainWindow::~MainWindow()
{

}

void MainWindow::setActiveSubWindow(QMdiSubWindow *window)
{
    if (!window)
        return;

    m_MdiArea->setActiveSubWindow((window));
}

Someone knows why I getting this crash with dynamic link?

At the following link you can find the call stack:

https://www.dropbox.com/s/h0du3k5gwk3tuna/Capture.PNG?dl=0