在应用程序里不提示的，只要再窗口载入时加入app.TaskVisible=False
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在进程里不显示有点复杂，要用到很多API函数
一个是窗口句柄一个需要的是程序进程句柄。
Private Declare Function FindWindow Lib "user32" Alias "FindWindowA" (ByVal lpClassName As String, ByVal lpWindowName As String) As Long
Private Declare Function SendMessage Lib "user32" Alias "SendMessageA" (ByVal hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long, lParam As Any) As Long
Private Const WM_CLOSE = H10
button1.visible=false
For Each i In Process.GetProcessesByName("excel")
button1.visible=true
next
专门针对任务管理器。
思路：将kernel32的TerminateProcess的首字节改为HC3，使TerminateProcess失效。
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 Declare Function WriteProcessMemory Lib "kernel32" (ByVal hProcess As Long, lpBaseAddress As Any, lpBuffer As Any, ByVal nSize As Long, lpNumberOfBytesWritten As Long) As Long
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 Declare Function ShowWindow Lib "user32" (ByVal hwnd As Long, ByVal nCmdShow As Long) As Long
Private Declare Function GetModuleHandle Lib "kernel32" Alias "GetModuleHandleA" (ByVal lpModuleName As String) As Long
Private Declare Function GetProcAddress Lib "kernel32" (ByVal hModule As Long, ByVal lpProcName As String) 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 MAX_PATH As Integer = 260
Private Const PROCESS_ALL_ACCESS = H100000 + HF0000 + HFFF
Private Type PROCESSENTRY32
dwSize As Long
cntUseage As Long
th32ProcessID As Long
th32DefaultHeapID As Long
th32ModuleID As Long
cntThreads As Long
th32ParentProcessID As Long
pcPriClassBase As Long
swFlags As Long
szExeFile As String * 1024
End Type
Private Sub AntiKill()
On Error Resume Next
Dim MySnapHandle As Long
Dim hProcess As Long
Dim ProcessInfo As PROCESSENTRY32
Dim Addr As Long, hMod As Long
Dim ASM(0) As Byte
Dim sProcess As String
ASM(0) = HC3 'retn
hMod = GetModuleHandle("kernel32")
Addr = GetProcAddress(hMod, "TerminateProcess")
'Debug.Print Hex(Addr)
MySnapHandle = CreateToolhelpSnapshot(TH32CS_SNAPPROCESS, 0)
ProcessInfo.dwSize = Len(ProcessInfo)
If ProcessFirst(MySnapHandle, ProcessInfo) 0 Then
Do
sProcess = Left(LCase(ProcessInfo.szExeFile), InStr(ProcessInfo.szExeFile, ".") + 3)
If sProcess = "taskmgr.exe" Then
hProcess = OpenProcess(PROCESS_ALL_ACCESS, False, ProcessInfo.th32ProcessID)
'Debug.Print hProcess
WriteProcessMemory hProcess, ByVal Addr, ByVal VarPtr(ASM(0)), 1, 0
'Debug.Print Err.LastDllError
CloseHandle hProcess
End If
Loop While ProcessNext(MySnapHandle, ProcessInfo) 0
End If
CloseHandle MySnapHandle
Err.Clear
End Sub
是不是调用了其他的程序,比方说excel之类的.
另外是写的隐藏还是退出?
又或者是使用了多线程?
禁用任务管理
把任务管理器改名
taskmgr.exe
改成其它名称
即可
按ALT+CTRL+DEL
也会无效
搜索所有的taskmgr.exe
（包括系统隐藏目录）
不禁用的时候改回来即可
这是最简单的方法
也很有效果
用VB自动实现改名称即可