append
⚠️ Deprecated ⚠️
This is deprecated since version 4.10.
Use class@Gtk.DropDown
---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.
Parameters
id
a string ID for this value
text
A string