C# Definition:

public enum TCP_TABLE_CLASS
{
    TCP_TABLE_BASIC_LISTENER,
    TCP_TABLE_BASIC_CONNECTIONS,
    TCP_TABLE_BASIC_ALL,
    TCP_TABLE_OWNER_PID_LISTENER,
    TCP_TABLE_OWNER_PID_CONNECTIONS,
    TCP_TABLE_OWNER_PID_ALL,
    TCP_TABLE_OWNER_MODULE_LISTENER,
    TCP_TABLE_OWNER_MODULE_CONNECTIONS,
    TCP_TABLE_OWNER_MODULE_ALL
}

VB Definition:

Enum TCP_TABLE_CLASS
   TODO
End Enum

Notes:

Used with GetExtendedTcpTable.