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 gtk.combo_box_text.ComboBoxText.insert with a position of -1.
a string ID for this value
A string
Deprecated: Use gtk.drop_down.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 gtk.combo_box_text.ComboBoxText.insert with a position of -1.