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Disappears information from QTableWidget when minimizing the window when working in a Windows 8.1 environment.

  • Hi!
    I ran into this problem:
    When minimizing the window, the information from QTableWidget (Qt 5.15, C++) disappears, it is when working in a Windows 8.1 environment (in Linux, the same program works without problems).

    I filled in the table cells like this:

            QTableWidgetItem *newItem_fmt = new QTableWidgetItem(fmt_qstr);
            ui->tableWidget->setItem(numRows, 1, newItem_fmt);

    The full code is here (filling in the table starts with line 349):

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