get_section

Description:

public abstract void get_section (uint position, out uint out_start, out uint out_end)

Query the section that covers the given position.

The number of items in the section can be computed by `out_end - out_start`.

If the position is larger than the number of items, a single range from n_items to G_MAXUINT will be returned.

this	a `GtkSectionModel`
position	the position of the item to query
out_start	the position of the first item in the section
out_end	the position of the first item not part of the section anymore.