Creates a new string filter.
You will want to set up the filter by providing a string to search for and by providing a property to look up on the item.
The expression to evaluate or %NULL for none
a new GtkStringFilter
ConstructionException GTK+ fails to create the object.
See Implementation
Creates a new string filter.
You will want to set up the filter by providing a string to search for and by providing a property to look up on the item.