Creates an expression that looks up a property via the given expression or the this argument when expression is NULL.
If the resulting object conforms to this_type, its property named property_name will be queried. Otherwise, this expression's evaluation will fail.
The given this_type must have a property with property_name.
The type to expect for the this type
Expression to evaluate to get the object to query or NULL to query the this object
name of the property
a new GtkExpression
ConstructionException GTK+ fails to create the object.
See Implementation
Creates an expression that looks up a property via the given expression or the this argument when expression is NULL.
If the resulting object conforms to this_type, its property named property_name will be queried. Otherwise, this expression's evaluation will fail.
The given this_type must have a property with property_name.