use constant SERVICE_CONTROL_STOP       => 0x00000001;
use constant SERVICE_CONTROL_PAUSE      => 0x00000002;
use constant SERVICE_CONTROL_CONTINUE   => 0x00000003;
use constant SERVICE_CONTROL_INTERROGATE=> 0x00000004;
use constant SERVICE_CONTROL_SHUTDOWN   => 0x00000005;
use constant SERVICE_CONTROL_PARAMCHANGE=> 0x00000006;
use constant SERVICE_CONTROL_NETBINDADD => 0x00000007;
use constant SERVICE_CONTROL_NETBINDREMOVE => 0x00000008;
use constant SERVICE_CONTROL_NETBINDENABLE => 0x00000009;
use constant SERVICE_CONTROL_NETBINDDISABLE=> 0x0000000A;
use constant SERVICE_CONTROL_DEVICEEVENT=> 0x0000000B;
use constant SERVICE_CONTROL_HARDWAREPROFILECHANGE => 0x0000000C;
use constant SERVICE_CONTROL_POWEREVENT   => 0x0000000D;
use constant SERVICE_CONTROL_SESSIONCHANGE=> 0x0000000E;
use constant SERVICE_CONTROL_PRESHUTDOWN  => 0x0000000F;
# Next 2 are not supported in Win2k and XP
use constant SERVICE_CONTROL_TIMECHANGE   => 0x00000010; 
use constant SERVICE_CONTROL_TGIGGEREVENT => 0x00000020;

use constant SERVICE_STOPPED       => 0x00000001;
use constant SERVICE_START_PENDING => 0x00000002;
use constant SERVICE_STOP_PENDING  => 0x00000003;
use constant SERVICE_RUNNING       => 0x00000004;
use constant SERVICE_CONTINUE_PENDING => 0x00000005;
use constant SERVICE_PAUSE_PENDING => 0x00000006;
use constant SERVICE_PAUSED        => 0x00000007;