Change the GSignalCVaMarshaller used for a given signal. This is a specialised form of the marshaller that can often be used for the common case of a single connected signal handler and avoids the overhead of gobject.Value Its use is optional.
the signal id
the instance type on which to set the marshaller.
the marshaller to set.
2.32
Change the GSignalCVaMarshaller used for a given signal. This is a specialised form of the marshaller that can often be used for the common case of a single connected signal handler and avoids the overhead of gobject.Value Its use is optional.