Sets the contents of a %G_TYPE_PARAM #GValue to @param and takes over the ownership of the callers reference to @param; the caller doesn't have to unref it any more.
the #GParamSpec to be set
2.4
See Implementation
Sets the contents of a %G_TYPE_PARAM #GValue to @param and takes over the ownership of the callers reference to @param; the caller doesn't have to unref it any more.