|Microsoft DirectX 9.0|
Specifies an event that will be set when maintenance needs to be performed.
const HANDLE hEvent, const DWORD dwFlags );
- [in] Handle to the event to signal when IDirectPlayNATHelp::GetCaps is to be called.
- [in] Reserved. Must be 0.
Returns DPNH_OK if successful, or one of the following error values.
DPNHERR_GENERIC An error occurred while closing. DPNHERR_INVALIDFLAGS Invalid flags were specified. DPNHERR_INVALIDOBJECT The interface object is invalid. DPNHERR_INVALIDPARAM An invalid parameter was specified. DPNHERR_NOTINITIALIZED The object has not been initialized. DPNHERR_OUTOFMEMORY There is not enough memory to perform this operation. DPNHERR_REENTRANT The interface has been re-entered on the same thread.
Call IDirectPlayNATHelp::GetCaps using the DPNHGETCAPS_UPDATESERVERSTATUS flag when the event is signalled.
This method is used in addition to the regular polling by IDirectPlayNATHelp::GetCaps. It allows the polling to be less frequent.