MIDL2042
The documentation lists this name without a value.
Documented in Win32
[out] parameter is not a pointer All [ out ] parameters must be pointers, in keeping with the call-by-value convention of the C programming language. The [ out ] directional parameter indicates that the server transmits a value to the client. With the call-by-value convention, the server can transmit data to the client only if the function argument is a pointer.