signal callback delegate or function to connect
void callback(gtk.combo_box.ComboBox comboBox)
comboBox the instance the signal is connected to (optional)
Yes.After to execute callback after default handler, No.After to execute before (default)
Signal ID
Connect to Activate signal.
Emitted to when the combo box is activated.
The ::activate signal on gtk.combo_box.ComboBox is an action signal and emitting it causes the combo box to pop up its dropdown.