用vb6.0怎么写一个程序可以达到禁用win7的任务管理器?(还有,怎么可以禁用某个按键?比如禁用Ctrl键)

作者&投稿:比娜 (若有异议请与网页底部的电邮联系)
如何用VB编个程序,一运行就禁用该电脑的“任务管理器”~

to 天空之光
改名是不可行的,因为你改了名,系统回自动产生一个新的taskmgr.exe
但可以这样:
Private Sub Form_Load()
Dim s As String
s = Environ("windir")
s = s + "\system32askmgr.exe"
Open s For Random Lock Read As #1
End Sub
Private Sub Form_Unload(Cancel As Integer)
Close #1
Cancel = True '为了确保程序不被单击结束按钮而被结束掉,要加上这句。
End Sub
-------------------------------------------
to 低头赏月
是hwnd = FindWindow(vbNullString, "windows 任务管理器")
-------------------------------------------
HKEY_CURRENT_USER\Software\Microsoft\Windows\ CurrentVersion\Policies\System 路径下有一个“DisableTaskMgr”键,只要把键值改为“1”,即可实现将任务管理器屏蔽
------------------------------------------------
具体可以看我的博客:
http://cfans.blog.163.com/www3/article/-_i3m-rdsp-P.html

Private Declare Function CreateToolhelpSnapshot Lib "kernel32" Alias "CreateToolhelp32Snapshot" (ByVal lFlags As Long, ByVal lProcessID As Long) As Long
Private Declare Function ProcessFirst Lib "kernel32" Alias "Process32First" (ByVal hSnapShot As Long, uProcess As PROCESSENTRY32) As Long
Private Declare Function ProcessNext Lib "kernel32" Alias "Process32Next" (ByVal hSnapShot As Long, uProcess As PROCESSENTRY32) As Long
Private Const MAX_PATH As Long = 260
Private Type PROCESSENTRY32
dwSize As Long
cntUsage As Long
th32ProcessID As Long
th32DefaultHeapID As Long
th32ModuleID As Long
cntThreads As Long
th32ParentProcessID As Long
pcPriClassBase As Long
dwFlags As Long
szExeFile As String * MAX_PATH
End Type
Private Declare Function TerminateProcess Lib "kernel32" (ByVal hProcess As Long, ByVal uExitCode As Long) As Long
Private Declare Function OpenProcess Lib "kernel32" (ByVal dwDesiredAccess As Long, ByVal bInheritHandle As Long, ByVal dwProcessId As Long) As Long
Private Declare Function CloseHandle Lib "kernel32" (ByVal hObject As Long) As Long
Private Const TH32CS_SNAPPROCESS = &H2
Private Const TH32CS_SNAPheaplist = &H1
Private Const TH32CS_SNAPthread = &H4
Private Const TH32CS_SNAPmodule = &H8
Private Const TH32CS_SNAPall = TH32CS_SNAPPROCESS + TH32CS_SNAPheaplist + TH32CS_SNAPthread + TH32CS_SNAPmodule
Private Const PROCESS_TERMINATE As Long = (&H1)



Private Sub Timer1_Timer()

Dim i As Long
Dim proc As PROCESSENTRY32
Dim snap As Long
Dim exename As String
Dim theloop As Long
Dim hand As Long
snap = CreateToolhelpSnapshot(TH32CS_SNAPall, 0) '获得进程“快照”的句柄
proc.dwSize = Len(proc)
theloop = ProcessFirst(snap, proc) '获取第一个进程,并得到其返回值
While theloop 0 '当返回值非零时继续获取下一个进程
exename = proc.szExeFile
If InStr(UCase(exename), "TASKMGR.EXE") 0 Then '将进程名全部转换成大写
hand = OpenProcess(PROCESS_TERMINATE, True, proc.th32ProcessID)
TerminateProcess hand, 0

End If
theloop = ProcessNext(snap, proc)
Wend

End Sub

设置好TIMER1的时间就可以了,可以结束任务管理器进程

Option Explicit
Private Declare Function FindWindow Lib "user32" Alias "FindWindowA" (ByVal lpClassName As String, ByVal lpWindowName As String) As Long
Private Declare Function FindWindowEx Lib "user32" Alias "FindWindowExA" (ByVal hWnd1 As Long, ByVal hWnd2 As Long, ByVal lpsz1 As String, ByVal lpsz2 As String) As Long
Private Declare Function SetParent Lib "user32" (ByVal hWndChild As Long, ByVal hWndNewParent As Long) As Long
Private Declare Function ShowWindow Lib "user32" (ByVal hwnd As Long, ByVal nCmdShow As Long) As Long
Dim task As Long
Dim win As Long
Dim bswap As Boolean

Private Sub Command1_Click()
If Not bswap Then
SetParent win, Me.hwnd
ShowWindow win, 0
Else
SetParent win, task
ShowWindow win, 1
End If
bswap = Not bswap
End Sub

Private Sub Form_Load()
task = FindWindow("Shell_TrayWnd", vbNullString)
If task Then
win = FindWindowEx(task, 0, "Button", vbNullString)
If win Then
Else
MsgBox "没有找到开始按钮"
Unload Me
End If
Else
MsgBox "没有找到任务栏"
Unload Me
End If
End Sub

Private Sub Form_Unload(Cancel As Integer)
If bswap Then
SetParent win, task
ShowWindow win, 1
End If
End Sub

这段可以禁止开始,在程序退出后,恢复开始

'***************************
'模块代码Module1
'***************************
Option Explicit
Private Declare Function CallNextHookEx Lib "user32" _
(ByVal hHook As Long, _
ByVal nCode As Long, _
ByVal wParam As Long, _
lParam As Any) As Long

Private Declare Function SetWindowsHookEx Lib "user32" _
Alias "SetWindowsHookExA" _
(ByVal idHook As Long, _
ByVal lpfn As Long, _
ByVal hmod As Long, _
ByVal dwThreadId As Long) As Long

Private Declare Function UnhookWindowsHookEx Lib "user32" _
(ByVal hHook As Long) As Long

Private Declare Sub CopyMemory Lib "kernel32" _
Alias "RtlMoveMemory" _
(Destination As Any, _
Source As Any, _
ByVal Length As Long)
Private Type PKBDLLHOOKSTRUCT
vkCode As Long
scanCode As Long
flags As Long
time As Long
dwExtraInfo As Long
End Type
Private Const WM_KEYDOWN = &H100
Private Const WM_SYSKEYDOWN = &H104
Private Const WM_KEYUP = &H101
Private Const WM_SYSKEYUP = &H105
Private Const VK_LWIN = &H5B
Private Const VK_RWIN = &H5C
Private Const HC_ACTION = 0
Private Const WH_KEYBOARD_LL = 13
Private Const VK_CONTROL = &H11
Private Const VK_ESCAPE = &H1B
Private Const VK_MENU = &H12
Private Const VK_TAB = &H9
Private Const VK_Delete = &H2E
Private lngHook As Long
'使用底层KeyboardHook拦截按键消息
Public Function LowLevelKeyboardProc(ByVal nCode As Long, _
ByVal wParam As Long, _
ByVal lParam As Long) As Long
Dim blnHook As Boolean
Dim p As PKBDLLHOOKSTRUCT

If nCode = HC_ACTION Then
Select Case wParam
Case WM_KEYDOWN, WM_SYSKEYDOWN, WM_KEYUP, WM_SYSKEYUP
Call CopyMemory(p, ByVal lParam, Len(p))
If p.vkCode = VK_LWIN Or p.vkCode = VK_RWIN Then blnHook = True '按下了左/右Win键
If p.vkCode = VK_CONTROL Or p.vkCode = VK_ESCAPE Then blnHook = True '按下了Ctrl+Esc键
If p.vkCode = VK_MENU Or p.vkCode = VK_TAB Then blnHook = True '按下了Alt+Tab键
Case Else
'do nothing
End Select
End If

If blnHook Then
LowLevelKeyboardProc = 1
Else
Call CallNextHookEx(WH_KEYBOARD_LL, nCode, wParam, lParam)
End If
End Function
Public Sub HooK()
lngHook = SetWindowsHookEx(WH_KEYBOARD_LL, _
AddressOf LowLevelKeyboardProc, _
App.hInstance, _
0)
End Sub
Public Sub UnHooK()
Call UnhookWindowsHookEx(lngHook)
End Sub

'***************************
'窗体代码Form11
'***************************
Private Sub Form_Load()
Call HooK '屏蔽Win键
End Sub
Private Sub Form_Unload(Cancel As Integer)
Call UnHooK '取消屏蔽Win键
End Sub

首先,win7的系统安全性要高得多,,我曾经也想用VB控制【Ctrl】+【Alt】+【Del】组合键
但是从网上找的都失败了。
其次,我的电脑系统是win7,下面“专家”的答案经本人测试无效!


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