vb.net重啟關(guān)機(jī) vbs立刻關(guān)機(jī)代碼

vb.net怎么重啟自己

你需要兩個(gè)創(chuàng)建兩個(gè)程序...

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首先在你的主程序的代碼里面添加它們:

'main program

public sub restart()

shell app.path "\restart.exe " app.path "你的主程序的名字.exe",vbhide

end

end sub

用于重啟的程序,叫做restart.exe

先創(chuàng)建標(biāo)準(zhǔn)exe工程

然后再在右邊的工程資源管理器中右鍵點(diǎn)擊form1

在彈出的菜單中選擇移除form1

然后點(diǎn)擊菜單條上面的添加模塊

在新添加的module1里添加它們

'restart program

sub main

shell command

end sub

生成exe到你的主程序所在的目錄

這時(shí)你便可以在主程序的任意地方添加一行restart來(lái)重新啟動(dòng)你的程序了

請(qǐng)問(wèn)VB.NET的關(guān)機(jī)語(yǔ)句是？

這是點(diǎn)擊Option 你可以

用個(gè)msgbox函數(shù) 點(diǎn)擊YES時(shí)候運(yùn)行關(guān)機(jī)代碼即可

Private Declare Function ExitWindowsEx Lib "user32" (ByVal uFlags As Integer, ByVal dwReserved As Integer) As Integer　

Const EWX_FORCE As Short = 4

Const EWX_LOGOFF As Short = 0

Const EWX_REBOOT As Short = 2

Const EWX_SHUTDOWN As Short = 1

Dim retval As Integer

' 定義Esc按鍵

Const VK_ESCAPE As Short = H1Bs

Private Sub Command1_Click(ByVal eventSender As System.Object, ByVal eventArgs As System.EventArgs) Handles Command1.Click

If Option1.Checked Then

' 注銷(xiāo)當(dāng)前用戶(hù)

retval = ExitWindowsEx(EWX_FORCE, 0) bitsCN.Com

ElseIf Option2.Checked Then

' 關(guān)閉計(jì)算機(jī)

retval = ExitWindowsEx(EWX_SHUTDOWN, 0)

ElseIf Option3.Checked Then

' 重新啟動(dòng)

retval = ExitWindowsEx(EWX_REBOOT, 0)

End If

End Sub

Private Sub Command2_Click(ByVal eventSender As System.Object, ByVal eventArgs As System.EventArgs) Handles Command2.Click

Me.Close()

End Sub

' 按Esc鍵時(shí)，結(jié)束應(yīng)用程序

Private Sub Form1_KeyPress(ByVal eventSender As System.Object, ByVal eventArgs As System.Windows.Forms.KeyPressEventArgs) Handles MyBase.KeyPress

Dim KeyAscii As Short = Asc(eventArgs.KeyChar)

If KeyAscii = VK_ESCAPE Then BBS.bitsCN.com網(wǎng)管論壇

Me.Close()

End If

If KeyAscii = 0 Then

eventArgs.Handled = True

End If

End Sub

VB.NET 2005編寫(xiě)定時(shí)關(guān)機(jī)程序

最近在網(wǎng)上搜索了一些關(guān)于實(shí)現(xiàn)關(guān)機(jī) 重啟 注銷(xiāo)的文章 發(fā)現(xiàn)大多介紹的是VB NET 用API實(shí)現(xiàn)這些功能 且在XPsp 環(huán)境下無(wú)法正常的關(guān)機(jī)與注銷(xiāo) 而對(duì)于VB NET 的介紹幾乎沒(méi)有 本文章所涉及的知識(shí)點(diǎn)有

用實(shí)現(xiàn)關(guān)機(jī) 重啟 注銷(xiāo)功能 通過(guò)使用textbox與timer控件的結(jié)合編寫(xiě)定時(shí)器功能 為你的程序加上超鏈接

本篇文章具有一定的基礎(chǔ)性和廣泛的實(shí)用性 相信能夠給 初學(xué)者帶來(lái)一定的幫助

本文所使用的編程環(huán)境是Microsoft Visual Studio 首先打開(kāi) Visual Studio 在文件 (File) 菜單上 單擊新建項(xiàng)目 (New Project) 在新建項(xiàng)目 (New Project) 對(duì)話(huà)框的模板 (Templates) 窗格中 單擊 Windows 應(yīng)用程序 (Windows Application) 單擊確定 (OK)

具體步驟如下

首先在Form 窗體上添加一個(gè)Label 控件屬性text設(shè)置為:今天: 然后分別添加 個(gè)button控件name分別為button button button 它們的text屬性分別為 關(guān)閉計(jì)算機(jī)（啟動(dòng)定時(shí)器） 注銷(xiāo) 重新啟動(dòng)

圖

現(xiàn)在我們就需要為程序加上一個(gè)定時(shí)器了 這個(gè)定時(shí)器需要與textbox 控件相關(guān)聯(lián) 輸入正確時(shí)間格式后就可以啟動(dòng)定時(shí)功能了 然后我們需要在窗體上添加一個(gè)timer 一個(gè)textbox 控件 和一個(gè)RadioButton 控件 讓它們保留默認(rèn)值不變 其中 TextBox 控件的text屬性設(shè)置為 : : RadioButton 控件text設(shè)置為 指定時(shí)間關(guān)機(jī)|時(shí)間格式 小時(shí): 分鐘: 秒如圖 所示

圖

以上界面工作基本完成現(xiàn)在需要輸入代碼了

雙擊窗體進(jìn)入常規(guī) 聲明Public Class Form 事件中

CODE

Imports System Runtime InteropServicesImports Microsoft VisualBasicPublic Class Form _ 調(diào)用系統(tǒng)參數(shù)Friend Shared Function GetCurrentProcess() As IntPtrEnd Function

_Friend Shared Function OpenProcessToken(ByVal h As IntPtr

ByVal acc As Integer ByRef phtok As IntPtr) As BooleanEnd Function

_Friend Shared Function LookupPrivilegeValue(ByVal host As String

ByVal name As String ByRef pluid As Long) As BooleanEnd Function

_Friend Shared Function AdjustTokenPrivileges(ByVal htok As IntPtr

ByVal disall As Boolean ByRef newst As TokPriv Luid

ByVal len As Integer ByVal prev As IntPtr

ByVal relen As IntPtr) As BooleanEnd Function

_Friend Shared Function ExitWindowsEx(ByVal flg As Integer

ByVal rea As Integer) As BooleanEnd Function

Friend Const SE_PRIVILEGE_ENABLED As Integer = H Friend Const TOKEN_QUERY As Integer = H Friend Const TOKEN_ADJUST_PRIVILEGES As Integer = H Friend Const SE_SHUTDOWN_NAME As String = SeShutdownPrivilege Friend Const EWX_LOGOFF As Integer = H 注銷(xiāo)計(jì)算機(jī)Friend Const EWX_SHUTDOWN As Integer = H 關(guān)閉計(jì)算機(jī)Friend Const EWX_REBOOT As Integer = H 重新啟動(dòng)計(jì)算機(jī)Friend Const EWX_FORCE As Integer = H 關(guān)閉所有進(jìn)程 注銷(xiāo)計(jì)算機(jī)Friend Const EWX_POWEROFF As Integer = H Friend Const EWX_FORCEIFHUNG As Integer = H

_　 引用參數(shù)　Friend Structure TokPriv Luid　Public Count As Integer　Public Luid As Long　Public Attr As IntegerEnd Structure

Private Shared Sub DoExitWin(ByVal flg As Integer)　Dim xc As Boolean 判斷語(yǔ)句　Dim tp As TokPriv Luid　Dim hproc As IntPtr = GetCurrentProcess()　 調(diào)用進(jìn)程值　Dim htok As IntPtr = IntPtr Zero　xc = OpenProcessToken(hproc TOKEN_ADJUST_PRIVILEGES Or TOKEN_QUERY htok)　tp Count = 　tp Luid = 　tp Attr = SE_PRIVILEGE_ENABLED　xc = LookupPrivilegeValue(Nothing SE_SHUTDOWN_NAME tp Luid)　xc = AdjustTokenPrivileges(htok False tp IntPtr Zero IntPtr Zero)　xc = ExitWindowsEx(flg )End Sub

Public Shared Sub Reboot()　DoExitWin((EWX_FORCE Or EWX_REBOOT)) 重新啟動(dòng)計(jì)算機(jī)End Sub

Public Shared Sub PowerOff()　DoExitWin((EWX_FORCE Or EWX_POWEROFF)) 關(guān)閉計(jì)算機(jī)End Sub

Public Shared Sub LogoOff()　DoExitWin((EWX_FORCE Or EWX_LOGOFF)) 注銷(xiāo)計(jì)算機(jī)End Sub

Dim entTime As Object 保存輸入時(shí)間Dim xianzaiTime As Object 保存實(shí)時(shí)時(shí)間Dim startTime As Object 保存開(kāi)始定時(shí)時(shí)間

注銷(xiāo)button 按鈕輸入code

Private Sub Button _Click(ByVal sender As System Object

ByVal e As System EventArgs) Handles Button ClickLogoOff() 注銷(xiāo)計(jì)算機(jī)End Sub

雙擊重新啟動(dòng)按鈕button 輸入code

Private Sub Button _Click(ByVal sender As System Object

ByVal e As System EventArgs) Handles Button Click

Reboot()

End Sub

雙擊關(guān)閉計(jì)算機(jī)按鈕button 輸入code

Private Sub Button _Click(ByVal sender As System Object

ByVal e As System EventArgs) Handles Button Click　startTime = TimeOfDay　If Not IsDate(TextBox Text) Then 用IsData函數(shù)判斷輸入的時(shí)間格式MsgBox( 你所輸入的不是時(shí)間格式 ! 錯(cuò)誤 )　ElseentTime = TimeValue(TextBox Text)　End If　Timer Enabled = True　 啟動(dòng)定時(shí)器　Me WindowState = System Windows Forms FormWindowState Minimized　 最小化窗體

End Sub

如圖

圖

雙擊timer 控件如圖

圖

輸入代碼

Private Sub Timer _Tick(ByVal sender As System Object

ByVal e As System EventArgs) Handles Timer Tick　xianzaiTime = TimeOfDay　If RadioButton Checked Then

If DateDiff(Microsoft VisualBasic DateInterval Second

xianzaiTime entTime) Then 用DateDiff函數(shù)判斷是否到時(shí)間了

End IfEnd If

PowerOff() 關(guān)閉計(jì)算機(jī)End Sub

好了 基本上一個(gè)定時(shí)關(guān)機(jī)程序就完成了 接下來(lái)加一個(gè)超級(jí)鏈接吧！當(dāng)然對(duì)于高手來(lái)說(shuō)可能是廢話(huà) 但是對(duì)于新手來(lái)說(shuō)這也是必備的 這個(gè)超級(jí)鏈接當(dāng)然是我們最喜歡的天極網(wǎng)開(kāi)發(fā)頻道了

先創(chuàng)建一個(gè)Label控件吧 把它托到窗體上 將text屬性設(shè)置為天極網(wǎng)開(kāi)發(fā)頻道如圖

圖

接下來(lái)需要輸入代碼了 雙擊窗體Form

進(jìn)入Public Class Form 事件

代碼

Private Declare Function ShellExecute Lib shell dll

Alias ShellExecuteA (ByVal hwngnd As Integer

ByVal lpOperation As String ByVal lpFile As String

ByVal lpParameters As String ByVal lpDirectory As String

ByVal nShowCmd As Integer) As Integer

如圖

圖

雙擊剛才添加的label屬性text:（天極網(wǎng)開(kāi)發(fā)頻道）中輸入以下代碼

Private Sub Label _Click(ByVal sender As System Object

ByVal e As System EventArgs) Handles Label ClickShellExecute( open CStr( ) CStr( ) )

End SubEnd Class

OK！全部搞定 按F 鍵運(yùn)行如圖 所示 選擇相應(yīng)選項(xiàng)后點(diǎn)擊（關(guān)閉計(jì)算機(jī)啟動(dòng)定時(shí)器按鈕）就可以了 現(xiàn)在程序?qū)凑漳闼O(shè)定的時(shí)間而啟動(dòng)關(guān)閉計(jì)算機(jī)選項(xiàng)

lishixinzhi/Article/program/net/201311/12366

標(biāo)題名稱(chēng)：vb.net重啟關(guān)機(jī) vbs立刻關(guān)機(jī)代碼
轉(zhuǎn)載注明：http://muchs.cn/article6/doeosig.html

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