TRUE if the expression could be evaluatedExpression.evaluate
bool evaluate(gobject.object.ObjectWrap this_, gobject.value.Value value)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.
Parameters
this_ | the this argument for the evaluation |
value | an empty [gobject.value.Value] |