The USER_OTHER_INFO structure contains user error code information in the alert error codes.
typedef struct _USER_OTHER_INFO {
DWORD alrtus_errcode;
DWORD alrtus_numstrings;
}USER_OTHER_INFO, *PUSER_OTHER_INFO, *LPUSER_OTHER_INFO;
Windows NT: Requires version 3.1 or later.
Windows: Unsupported.
Windows CE: Unsupported.
Header: Declared in lmalert.h.
Networking (Net) Overview, Net Structures, NetAlertRaise