Inserts text at position in the list of strings stored in combo_box. If id is non-NULL then it is used as the ID of the row. See id-column.
If position is negative then text is appended.
An index to insert text
a string ID for this value, or NULL
A string to display
3.0
Inserts text at position in the list of strings stored in combo_box. If id is non-NULL then it is used as the ID of the row. See id-column.
If position is negative then text is appended.