Memory error reading class attribute from private slot

[jacek]

AirportSelectDialog::AirportSelectDialog( ... )
{
...
QComboBox *airportBox = new QComboBox(this); // in this line you declare a new, local airportBox variable
...
}

Try:

airportBox = new QComboBox(this);

airportBox = new QComboBox(this);

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