C# Constants:

private const int STANDARD_RIGHTS_REQUIRED = 0xF0000;

private const int SERVICE_AUTO_START = 0x2;
private const int SERVICE_DEMAND_START = 0x3;
private const int SERVICE_DISABLED = 0x4;
private const int SERVICE_ERROR_NORMAL = 0x1;
private const int SERVICE_WIN32_OWN_PROCESS = 0x10;
private const int SERVICE_QUERY_CONFIG = 0x1;
private const int SERVICE_CHANGE_CONFIG = 0x2;
private const int SERVICE_QUERY_STATUS = 0x4;
private const int SERVICE_ENUMERATE_DEPENDENTS = 0x8;
private const int SERVICE_START = 0x10;
private const int SERVICE_STOP = 0x20;
private const int SERVICE_PAUSE_CONTINUE = 0x40;
private const int SERVICE_INTERROGATE = 0x80;
private const int SERVICE_USER_DEFINED_CONTROL = 0x100;
private const int SERVICE_ALL_ACCESS = STANDARD_RIGHTS_REQUIRED |
    SERVICE_QUERY_CONFIG |
    SERVICE_CHANGE_CONFIG |
    SERVICE_QUERY_STATUS |
    SERVICE_ENUMERATE_DEPENDENTS |
    SERVICE_START |
    SERVICE_STOP |
    SERVICE_PAUSE_CONTINUE |
    SERVICE_INTERROGATE |
    SERVICE_USER_DEFINED_CONTROL;

VB Constants:

Const STANDARD_RIGHTS_REQUIRED As Int32 = &HF0000

Const SERVICE_AUTO_START As Int32 = &H2
Const SERVICE_DEMAND_START As Int32 = &H3
Const SERVICE_DISABLED As Int32 = &H4

Const SERVICE_ERROR_NORMAL As Int32 = &H1

Const SERVICE_WIN32_OWN_PROCESS As Int32 = &H10

Const SERVICE_QUERY_CONFIG As Int32 = &H1
Const SERVICE_CHANGE_CONFIG As Int32 = &H2
Const SERVICE_QUERY_STATUS As Int32 = &H4
Const SERVICE_ENUMERATE_DEPENDENTS As Int32 = &H8
Const SERVICE_START As Int32 = &H10
Const SERVICE_STOP As Int32 = &H20
Const SERVICE_PAUSE_CONTINUE As Int32 = &H40
Const SERVICE_INTERROGATE As Int32 = &H80
Const SERVICE_USER_DEFINED_CONTROL As Int32 = &H100

Const SERVICE_ALL_ACCESS As Integer = STANDARD_RIGHTS_REQUIRED Or _
                    SERVICE_QUERY_CONFIG Or _
                    SERVICE_CHANGE_CONFIG Or _
                    SERVICE_QUERY_STATUS Or _
                    SERVICE_ENUMERATE_DEPENDENTS Or _
                    SERVICE_START Or _
                    SERVICE_STOP Or _
                    SERVICE_PAUSE_CONTINUE Or _
                    SERVICE_INTERROGATE Or _
                    SERVICE_USER_DEFINED_CONTROL

Notes:

For use with the CreateService API call in ADVAPI32.DLL