Evaluates the given expression and on success stores the result in value.
The GType of value will be the type given by gtk.expression.Expression.getValueType.
It is possible that expressions cannot be evaluated - for example when the expression references objects that have been destroyed or set to NULL. In that case value will remain empty and FALSE will be returned.
the this argument for the evaluation
an empty gobject.value.Value
TRUE if the expression could be evaluated
Evaluates the given expression and on success stores the result in value.
The GType of value will be the type given by gtk.expression.Expression.getValueType.
It is possible that expressions cannot be evaluated - for example when the expression references objects that have been destroyed or set to NULL. In that case value will remain empty and FALSE will be returned.