| Platform SDK: Network Management | 
The MCAST_SCOPE_CTX structure defines the scope context for programmatic interaction with multicast addresses. The MCAST_SCOPE_CTX structure is used by various MADCAP functions as a handle for allocating, renewing, or releasing MADCAP addresses.
typedef struct _MCAST_SCOPE_CTX {
  IPNG_ADDRESS         ScopeID;
  IPNG_ADDRESS         Interface;
  IPNG_ADDRESS         ServerID;
} MCAST_SCOPE_CTX, *PMCAST_SCOPE_CTX;
  Windows NT/2000: Requires Windows 2000.
  Header: Declared in Madcapcl.h.