| Microsoft DirectX 8.1 (C++) | 
Retrieves the group context value for a group.
HRESULT GetGroupContext( const DPNID dpnid, PVOID *const ppvGroupContext, const DWORD dwFlags );
Returns S_OK if successful, or one of the following error values.
| DPNERR_INVALIDGROUP | 
| DPNERR_INVALIDPARAM | 
Group context values are set by pointing the pvGroupContext member of the DPN_MSGID_CREATE_GROUP system message to the context value data.
  Windows NT/2000/XP: Available as a redistributable for Windows 2000 and later.
  Windows 98/Me: Available as a redistributable for Windows 98 and later.
  Header: Declared in Dplay8.h.