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 property@ComboRow:factory is not set, or when property@ComboRow:use-subtitle is set to TRUE.
ComboRow.expression
gtk.expression.Expression expression() @propertyGet expression property.
Returns
An expression used to obtain strings from items.
void expression(gtk.expression.Expression propval) @propertySet 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 property@ComboRow:factory is not set, or when property@ComboRow:use-subtitle is set to TRUE. |