Frees any resources taken by s struct. If s is %NULL, then nothing happens.
Set the columns to be shown.
an array of with columns numbers of referen (Primary Key) at #GdaSetSource
Set the columns to be shown.
an array of with columns numbers to be shown from a #GdaSetSource
TheGdauiSetSource is a ...
To create a new #GdauiSetSource use #gdaui_set_source_new.
To free a #GdauiSetSource, created by #gdaui_set_source_new, use #gdaui_set_source_free.
Since 5.2, you must consider this struct as opaque. Any access to its internal must use public API. Don't try to use #gdaui_set_source_free on a struct that was created manually.