The "QObject.Sender" is null

[hezhaowei]

in c++ i can use "sender" to identifiy which object emit signal in same one slot function:
QLineEdit* pqLineEdit = qobject_cast<QLineEdit*>(sender())
but in QtSharp, the "Sender" aways null;

[ddobrev]

Thank you for your report. I'll check it as soon as possible.