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Option Explicit

Private Const WM_USER = &H400

Private Const TB_BUTTONCOUNT = (WM_USER + 24)

Private Const TB_HIDEBUTTON = (WM_USER + 4)

Private Const TB_GETBUTTONTEXTA = (WM_USER + 45)

Private Const TB_AUTOSIZE = (WM_USER + 33)

Private Const MEM_COMMIT = &H1000

Private Const MEM_RESERVE = &H2000

Private Const MEM_RELEASE = &H8000

Private Const PAGE_READWRITE = &H4

Private Const PROCESS_VM_OPERATION = (&H8)

Private Const PROCESS_VM_READ = (&H10)

Private Const PROCESS_VM_WRITE = (&H20)

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 SendMessage Lib "user32" Alias "SendMessageA" (ByVal hWnd As Long, ByVal wMsg As Long, ByVal wParam As Long, lParam As Any) As Long

Private Declare Function VirtualAllocEx Lib "kernel32.dll" (ByVal hProcess As Long, lpAddress As Any, ByRef dwSize As Long, ByVal flAllocationType As Long, ByVal flProtect As Long) As Long

Private Declare Function VirtualFreeEx Lib "kernel32.dll" (ByVal hProcess As Long, lpAddress As Any, ByRef dwSize As Long, ByVal dwFreeType 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 GetWindowThreadProcessId Lib "user32" (ByVal hWnd As Long, lpdwProcessId As Long) As Long

Private Declare Function ReadProcessMemory Lib "kernel32" (ByVal hProcess As Long, lpBaseAddress As Any, lpBuffer As Any, ByVal nSize As Long, lpNumberOfBytesWritten 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 GetCurrentProcessId Lib "kernel32" () As Long

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Private Sub Command1_Click() 'Òþ²ØÖ¸¶¨Í¼±ê

Dim pIdExplorer As Long, hwnd2 As Long, hExplorer As Long, lpIconText As Long

Dim i As Integer

Dim BtnCount As Integer

Dim IconText As String

hwnd2 = FindWindow("Shell_TrayWnd", vbNullString)

hwnd2 = FindWindowEx(hwnd2, 0, "TrayNotifyWnd", vbNullString)

hwnd2 = FindWindowEx(hwnd2, 0, "SysPager", vbNullString)

hwnd2 = FindWindowEx(hwnd2, 0, "ToolbarWindow32", vbNullString)

GetWindowThreadProcessId hwnd2, pIdExplorer

hExplorer = OpenProcess(PROCESS_VM_OPERATION Or PROCESS_VM_READ Or PROCESS_VM_WRITE, False, pIdExplorer)

lpIconText = VirtualAllocEx(ByVal hExplorer, ByVal 0&, Len(IconText), MEM_COMMIT Or MEM_RESERVE, PAGE_READWRITE)

BtnCount = SendMessage(hwnd2, TB_BUTTONCOUNT, 0, 0)

Dim lLen As Long, sBuff As String

For i = 0 To BtnCount - 1

IconText = Space$(256)

lLen = SendMessage(hwnd2, TB_GETBUTTONTEXTA, i, ByVal lpIconText)

ReadProcessMemory hExplorer, ByVal lpIconText, ByVal IconText, Len(IconText), 0

If lLen <> -1 Then IconText = Left$(IconText, InStr(1, IconText, Chr$(0)) - 1)

If IconText = List1.List(List1.ListIndex) Then ' Ì滻ΪÐèÒªÒþ²ØµÄͼ±êÃû³Æ£º¾ÍÊÇÊó±ê·ÅÔÚͼ±êÉÏʱÏÔʾµÄÎÄ×Ö

SendMessage hwnd2, TB_HIDEBUTTON, i, ByVal True

SendMessage hwnd2, TB_AUTOSIZE, 0, 0

End If

Next

VirtualFreeEx hExplorer, lpIconText, Len(IconText), MEM_RELEASE CloseHandle hExplorer