| Platform SDK: TAPI | 
The get_ScopeID method obtains an identifier for the scope of multicast addresses. The scope ID and server ID are needed to select this scope in subsequent calls to IMcastAddressAllocation::RequestAddress, IMcastAddressAllocation::RenewAddress, or IMcastAddressAllocation::ReleaseAddress.
HRESULT get_ScopeID( long *pID );
| Value | Meaning | 
|---|---|
| S_OK | Method succeeded. | 
| E_POINTER | The caller passed in an invalid pointer argument. | 
  Windows NT/2000: Requires Windows 2000.
  Version: Requires TAPI 3.0 or later.
  Header: Declared in Mdhcp.h.
  Library: Use Mdhcpid.lib.