ComboRowGidBuilderImpl.expression
T expression(gtk.expression.Expression propval)Set expression property.
Parameters
propval | An expression used to obtain strings from items. The expression must have a value type of G_TYPE_STRING. It's used to bind strings to labels produced by the default factory if adw.combo_row.ComboRow.factory is not set, or when adw.combo_row.ComboRow.useSubtitle is set to TRUE. |
Returns
Builder instance for fluent chaining