Appends @text to the list of strings stored in @combo_box.
If @id is non-%NULL then it is used as the ID of the row.
This is the same as calling [method@Gtk.ComboBoxText.insert] with a position of -1.
a string ID for this value, or %NULL
A string
See Implementation
Appends @text to the list of strings stored in @combo_box.
If @id is non-%NULL then it is used as the ID of the row.
This is the same as calling [method@Gtk.ComboBoxText.insert] with a position of -1.