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' Service database names
Public Const SERVICES_ACTIVE_DATABASE = "ServicesActive"

' Service Control Manager object specific access types
Public Const STANDARD_RIGHTS_REQUIRED = &HF0000
Public Const SC_MANAGER_CONNECT = &H1
Public Const SC_MANAGER_CREATE_SERVICE = &H2
Public Const SC_MANAGER_ENUMERATE_SERVICE = &H4
Public Const SC_MANAGER_LOCK = &H8
Public Const SC_MANAGER_QUERY_LOCK_STATUS = &H10
Public Const SC_MANAGER_MODIFY_BOOT_CONFIG = &H20

Public Const SC_MANAGER_ALL_ACCESS =  _
        (STANDARD_RIGHTS_REQUIRED Or SC_MANAGER_CONNECT _
        Or SC_MANAGER_CREATE_SERVICE Or SC_MANAGER_ENUMERATE_SERVICE _
        Or SC_MANAGER_LOCK Or SC_MANAGER_QUERY_LOCK_STATUS _
        Or SC_MANAGER_MODIFY_BOOT_CONFIG)

'Service object specific access types
Public Const SERVICE_QUERY_CONFIG = &H1
Public Const SERVICE_CHANGE_CONFIG = &H2
Public Const SERVICE_QUERY_STATUS = &H4
Public Const SERVICE_ENUMERATE_DEPENDENTS = &H8
Public Const SERVICE_START = &H10
Public Const SERVICE_STOP = &H20
Public Const SERVICE_PAUSE_CONTINUE = &H40
Public Const SERVICE_INTERROGATE = &H80
Public Const SERVICE_USER_DEFINED_CONTROL = &H100

Public Const SERVICE_ALL_ACCESS = (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)

' Service State -- for CurrentState
Public Const SERVICE_STOPPED = &H1
Public Const SERVICE_START_PENDING = &H2
Public Const SERVICE_STOP_PENDING = &H3
Public Const SERVICE_RUNNING = &H4
Public Const SERVICE_CONTINUE_PENDING = &H5
Public Const SERVICE_PAUSE_PENDING = &H6
Public Const SERVICE_PAUSED = &H7


Public Type SERVICE_STATUS
    dwServiceType As Long
    dwCurrentState As Long
    dwControlsAccepted As Long
    dwWin32ExitCode As Long
    dwServiceSpecificExitCode As Long
    dwCheckPoint As Long
    dwWaitHint As Long
End Type

Declare Function OpenSCManager Lib "advapi32.dll" Alias "OpenSCManagerA" _
        (ByVal lpMachineName As String, ByVal lpDatabaseName As String, _
        ByVal dwDesiredAccess As Long) As Long

Declare Function OpenService Lib "advapi32.dll" Alias "OpenServiceA" _
        (ByVal hSCManager As Long, ByVal lpServiceName As String, _
        ByVal dwDesiredAccess As Long) As Long

Declare Function QueryServiceStatus Lib "advapi32.dll" _
        (ByVal hService As Long, lpServiceStatus As SERVICE_STATUS) As Long

'
' Here's where we test if the service is running
'

Dim lhSCManager As Long
Dim lhService As Long
Dim lhServiceStatus As Long

lhSCManager = OpenSCManager("Computer Name", SERVICES_ACTIVE_DATABASE,
SC_MANAGER_ALL_ACCESS)
If lhSCManager <> 0 Then
    lhService = OpenService(lhSCManager, "Service Name",
    SERVICE_ALL_ACCESS)
    If lhService <> 0 Then
        lhServiceStatus = QueryServiceStatus(lhService, ServiceStatus)
        If lhServiceStatus <> 0 Then
            Select Case ServiceStatus.dwCurrentState
                Case SERVICE_STOPPED
                Case SERVICE_START_PENDING
                Case SERVICE_STOP_PENDING
                Case SERVICE_RUNNING
                Case SERVICE_CONTINUE_PENDING
                Case SERVICE_PAUSE_PENDING
                Case SERVICE_PAUSED
            End Select
            CloseServiceHandle lhServiceStatus
        End If
        CloseServiceHandle lhService
    End If
    CloseServiceHandle lhSCManager
End If
;