fgl_list_insert()

fgl_list_insert() will insert a specified value into the ComboBox control.

fgl_list_insert() takes three arguments – field_name (CHAR), index (INTEGER), and value (INTEGER).

The function will return the index number relating to where the insertion is made. Alternately, if the function is not successful a ‘0’ value is returned. 

Here you can learn more about working with ComboBox in Lycia Form Designer.