[ Version ( since = "3.0" ) ]
public void insert (int position, string? id, string text)
Inserts text at position in the list of strings stored in this.
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.
| this | |
| position |
An index to insert |
| id |
a string ID for this value, or null |
| text |
A string to display |