GtkExpression* gtk_object_expression_new ( GObject* object )
Creates an expression evaluating to the given
object with a weak reference.
object is disposed, it will fail to evaluate.
This expression is meant to break reference cycles.
If you want to keep a reference to
Object to watch.
The data is owned by the caller of the function.
|The caller of the function takes ownership of the data, and is responsible for freeing it.|