Get the contents of a %G_TYPE_OBJECT derived #GValue, increasing its reference count. If the contents of the #GValue are %NULL, then %NULL will be returned.
object content of @value, should be unreferenced when no longer needed.
See Implementation
Get the contents of a %G_TYPE_OBJECT derived #GValue, increasing its reference count. If the contents of the #GValue are %NULL, then %NULL will be returned.