Option Explicit

Private Declare Function OpenProcess Lib "kernel32" (ByVal dwDesiredAccess As Long, ByVal bInheritHandle As Long, ByVal dwProcessId As Long) As Long
Private Declare Function GetWindowThreadProcessId Lib "user32" (ByVal hwnd As Long, lpdwProcessId As Long) As Long
Private Declare Function CloseHandle Lib "kernel32.dll" (ByVal hObject As Long) As Long

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 lpszText1 As String, ByVal lpszText2 As String) As Long
Private Declare Function SendMessage Lib "user32" Alias "SendMessageA" (ByVal hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long, ByVal lParam As Long) As Long

Private Declare Function VirtualAllocEx Lib "kernel32.dll" (ByVal hProcess As Long, ByVal lpAddress As Long, ByVal dwSize As Long, ByVal flAllocationType As Long, ByVal flProtect As Long) As Long
Private Declare Function ReadProcessMemory Lib "kernel32" (ByVal hProcess As Long, ByVal lpBaseAddress As Long, ByVal lpBuffer As Long, ByVal nSize As Long, lpNumberOfBytesWritten As Long) As Long


Private Const WM_USER As Long = &H400

Private Const TB_GETBUTTON = WM_USER +  23 
Private Const TB_BUTTONCOUNT = WM_USER +  24 
Private Const TB_GETBUTTONTEXT = WM_USER +  75 
Private Const TB_DELETEBUTTON = WM_USER +  22 

Private Const STANDARD_RIGHTS_REQUIRED As Long = &HF0000
Private Const SYNCHRONIZE As Long = &H100000
Private Const PROCESS_ALL_ACCESS As Long = (STANDARD_RIGHTS_REQUIRED Or SYNCHRONIZE Or &HFFF)

Private Const iBuffer_SIZE As Long = &H1000
Private Const MEM_COMMIT As Long = &H1000
Private Const PAGE_READWRITE As Long = &H4

Private Type TTBButton
    iBitmap     As Long
    idCommand   As Long
    fsState     As Byte
    fsStyle     As Byte
    hReserved   As Integer
    dwData      As Long
    iString     As Long
End Type

Public Sub DeleteToolBarButton(ByVal ButtonText As String)
    Dim hOpProc       As Long
    Dim ProcID        As Long, ThreadID As Long
    Dim ToolBar       As Long
    Dim Window        As Long
    Dim ButtonsCount  As Long
    Dim I             As Long
    Dim iBuffer       As String
    Dim DButton       As TTBButton
    Dim RBytes        As Long
    Dim BTextLength   As Long
    Dim BText         As String
    
    Dim sBuff As String
    
    ToolBar = FindWindow("Shell_TrayWnd", vbNullString)
    ToolBar = FindWindowEx(ToolBar,  0 , "TrayNotifyWnd", vbNullString)
    ToolBar = FindWindowEx(ToolBar,  0 , "SysPager", vbNullString)
    ToolBar = FindWindowEx(ToolBar,  0 , "ToolbarWindow32", vbNullString)
    If ToolBar =  0  Then Exit Sub
    
    'ПИД
    ProcID = Shell("taskmgr.exe", vbMinimizedNoFocus)
    ButtonsCount = SendMessage(ToolBar, TB_BUTTONCOUNT, ByVal  0 &, ByVal  0 &)
    ThreadID = GetWindowThreadProcessId(ToolBar, ProcID)
    hOpProc = OpenProcess(PROCESS_ALL_ACCESS, False, ProcID)
    
    iBuffer = VirtualAllocEx(hOpProc, ByVal  0 &, iBuffer_SIZE, MEM_COMMIT, PAGE_READWRITE)
    
    For I =  0  To ButtonsCount
        Call SendMessage(ToolBar, TB_GETBUTTON, I, iBuffer)
        RBytes =  0 
        
        Call ReadProcessMemory(hOpProc, iBuffer, VarPtr(DButton), Len(DButton), RBytes)
        Call ReadProcessMemory(hOpProc, DButton.dwData, VarPtr(Window),  4 , RBytes)
        
        If Window =  0  Then GoTo Continue
          
        BTextLength = SendMessage(ToolBar, TB_GETBUTTONTEXT, DButton.idCommand, iBuffer)
        
        If BTextLength >  0  Then
            BText = Space(BTextLength)
    
            Call ReadProcessMemory(hOpProc, iBuffer, StrPtr(BText), BTextLength, RBytes)

            If BText = ButtonText Then
                Call SendMessage(ToolBar, TB_DELETEBUTTON, I,  0 )
                Exit For
            End If
        End If
Continue:
      Next

    'Call VirtualFreeEx(hOpProc, iBuffer, 0, MEM_RELEASE) '<< Declare
    Call CloseHandle(hOpProc)
End Sub
 
Private Sub Form_Load()
    Call DeleteToolBarButton("Диспетчер задач Windows")
End Sub