Creates a new #GtkEntryCompletion object using the specified @area to layout cells in the underlying #GtkTreeViewColumn for the drop-down menu.
the #GtkCellArea used to layout cells
Return: A newly created #GtkEntryCompletion object
ConstructionException GTK+ fails to create the object.
3.0
See Implementation
Creates a new #GtkEntryCompletion object using the specified @area to layout cells in the underlying #GtkTreeViewColumn for the drop-down menu.