module1.bas

电子书“Visual Basic 6 网络编程实例教程.rar”

Attribute VB_Name = "Module1"
Option Explicit

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

Public Type ENUM_SERVICE_STATUS
   lpServiceName As Long
   lpDisplayName As Long
   ServiceStatus As SERVICE_STATUS
End Type

'自定义常量
Public Const SIZEOF_SERVICE_STATUS As Long = 36

'windows常量
Public Const ERROR_MORE_DATA = 234
Public Const SC_MANAGER_ENUMERATE_SERVICE = &H4
Public Const LB_SETTABSTOPS As Long = &H192
Public Const SERVICE_STATE_ALL = &H3
                                     
'服务类型，对应于SERVICE_STATUS.dwServiceType
Public Const SERVICE_KERNEL_DRIVER As Long = &H1
Public Const SERVICE_FILE_SYSTEM_DRIVER As Long = &H2
Public Const SERVICE_ADAPTER As Long = &H4
Public Const SERVICE_RECOGNIZER_DRIVER As Long = &H8
Public Const SERVICE_WIN32_OWN_PROCESS As Long = &H10
Public Const SERVICE_WIN32_SHARE_PROCESS As Long = &H20
Public Const SERVICE_INTERACTIVE_PROCESS As Long = &H100

Public Const SERVICE_WIN32 As Long = SERVICE_WIN32_OWN_PROCESS Or _
                                     SERVICE_WIN32_SHARE_PROCESS
                                     
Public Const SERVICE_DRIVER As Long = SERVICE_KERNEL_DRIVER Or _
                                      SERVICE_FILE_SYSTEM_DRIVER Or _
                                      SERVICE_RECOGNIZER_DRIVER
                                      
Public Const SERVICE_TYPE_ALL As Long = SERVICE_WIN32 Or _
                                        SERVICE_ADAPTER Or _
                                        SERVICE_DRIVER Or _
                                        SERVICE_INTERACTIVE_PROCESS
                                     
'服务状态，对应于SERVICE_STATUS.dwCurrentState
Public Const SERVICE_STOPPED As Long = &H1
Public Const SERVICE_START_PENDING As Long = &H2
Public Const SERVICE_STOP_PENDING As Long = &H3
Public Const SERVICE_RUNNING As Long = &H4
Public Const SERVICE_CONTINUE_PENDING As Long = &H5
Public Const SERVICE_PAUSE_PENDING As Long = &H6
Public Const SERVICE_PAUSED As Long = &H7

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

Public Declare Function EnumServicesStatus Lib "advapi32.dll" _
   Alias "EnumServicesStatusA" _
  (ByVal hSCManager As Long, _
   ByVal dwServiceType As Long, _
   ByVal dwServiceState As Long, _
   lpServices As Any, _
   ByVal cbBufSize As Long, _
   pcbBytesNeeded As Long, _
   lpServicesReturned As Long, _
   lpResumeHandle As Long) As Long
   
Public Declare Function CloseServiceHandle Lib "advapi32.dll" _
   (ByVal hSCObject As Long) As Long

Public Declare Function lstrcpyA Lib "kernel32" _
  (ByVal RetVal As String, ByVal Ptr As Long) As Long
                        
Public Declare Function lstrlenA Lib "kernel32" _
  (ByVal Ptr As Any) As Long

Public Declare Function SendMessage Lib "user32" _
   Alias "SendMessageA" _
  (ByVal hwnd As Long, _
   ByVal wMsg As Long, _
   ByVal wParam As Long, _
   lParam As Any) As Long