Creates a new string sorter that compares items using the given @expression.
Unless an expression is set on it, this sorter will always compare items as invalid.
The expression to evaluate
a new GtkStringSorter
ConstructionException GTK+ fails to create the object.
See Implementation
Creates a new string sorter that compares items using the given @expression.
Unless an expression is set on it, this sorter will always compare items as invalid.