frmshutdown.frm

通用串行总线USB(Universal Serial Bus)是一种新型的微机总线接口规范。随着客户对系统数据采集速度要求的不断提高

VERSION 5.00
Begin VB.Form frmShutDown 
   Caption         =   "关机测试"
   ClientHeight    =   5205
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   6195
   LinkTopic       =   "Form1"
   ScaleHeight     =   5205
   ScaleWidth      =   6195
   StartUpPosition =   3  'Windows Default
   Begin VB.Frame Frame1 
      Caption         =   "SHRestartSystemMB测试："
      Height          =   3855
      Left            =   240
      TabIndex        =   2
      Top             =   1080
      Width           =   5415
      Begin VB.CommandButton cmdOk 
         Caption         =   "关机"
         Height          =   435
         Left            =   2760
         TabIndex        =   8
         Top             =   3000
         Width           =   1275
      End
      Begin VB.OptionButton Option1 
         Caption         =   "Shut Down"
         Height          =   315
         Left            =   1500
         TabIndex        =   7
         Top             =   480
         Width           =   2415
      End
      Begin VB.OptionButton Option2 
         Caption         =   "Reboot"
         Height          =   315
         Left            =   1500
         TabIndex        =   6
         Top             =   840
         Width           =   2415
      End
      Begin VB.OptionButton Option3 
         Caption         =   "Logoff"
         Height          =   315
         Left            =   1500
         TabIndex        =   5
         Top             =   1200
         Width           =   2415
      End
      Begin VB.CheckBox Check1 
         Caption         =   "Power Off"
         Height          =   315
         Left            =   1500
         TabIndex        =   4
         Top             =   1680
         Width           =   2235
      End
      Begin VB.TextBox Text1 
         Height          =   375
         Left            =   1500
         TabIndex        =   3
         Text            =   "Windows Shutdown Prompt "
         Top             =   2160
         Width           =   2655
      End
      Begin VB.Label Label2 
         Caption         =   "Prompt:"
         Height          =   375
         Left            =   780
         TabIndex        =   9
         Top             =   2220
         Width           =   855
      End
   End
   Begin VB.CommandButton cmdShutDownDialog 
      Caption         =   "SHShutDownDialog测试"
      Height          =   615
      Left            =   3480
      TabIndex        =   0
      Top             =   240
      Width           =   2055
   End
   Begin VB.Label Label1 
      Caption         =   "SHShutDownDialog测试："
      Height          =   375
      Left            =   240
      TabIndex        =   1
      Top             =   360
      Width           =   2055
   End
End
Attribute VB_Name = "frmShutDown"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Option Explicit

Private Sub cmdOk_Click()
    '定义标志参数，确定关机的类型
    Dim dwFlags As Long
    '定义存放操作系统版本信息的结构变量
    Dim lpVersionInfo As OSVERSIONINFO

    If (Option1.Value) Then
        dwFlags = EWX_SHUTDOWN
    ElseIf (Option2.Value) Then
        dwFlags = EWX_REBOOT
    Else
        dwFlags = EWX_LOGOFF
    End If
    
    If (Check1.Value) Then
        dwFlags = dwFlags Or EWX_POWEROFF
    End If

    lpVersionInfo.dwOSVersionInfoSize = Len(lpVersionInfo)
    Call GetVersionEx(lpVersionInfo)
    
    If (lpVersionInfo.dwPlatformId = VER_PLATFORM_WIN32_NT) Then
        '提示字符串要使用以空字符结尾的字符串
        'StrPtr函数返回一个Long型指针，指向BSTR类型
        '的字符串地址
        SHRestartSystemMBW Me.hWnd, _
                    StrPtr(Text1.Text & vbNullChar), _
                    dwFlags Or EWX_FORCE
    Else
        '提示字符串要使用以空字符结尾的字符串
        '直接使用字符串即可
        SHRestartSystemMBA Me.hWnd, _
                    Text1.Text & vbNullChar, _
                    dwFlags Or EWX_FORCE
    End If
End Sub

Private Sub cmdShutDownDialog_Click()
    SHShutDownDialog 0
End Sub