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, _
     ByRef lParam As Any) _
    As Long
    Private Const WM_USER = &H400
    Private Const TB_BUTTONCOUNT = (WM_USER +  24 )
    Private Const TB_DELETEBUTTON = (WM_USER +  22 )

Private Sub Command1_Click()
Dim ret As Long
Dim qwe As Long
    ret = FindWindow("Shell_TrayWnd", "")
    ret = FindWindowEx(ret,  0 , "TrayNotifyWnd", vbNullString)
    ret = FindWindowEx(ret,  0 , "SysPager", vbNullString)
    ret = FindWindowEx(ret,  0 , "ToolbarWindow32", vbNullString)
    qwe = SendMessage(ret, TB_BUTTONCOUNT,  0 ,  0 )
    Text1.Text = qwe
    Text2.Text = ret
    'ret = SendMessage(ret, TB_DELETEBUTTON, 0, 0)
End Sub

ret = FindWindow("Shell_TrayWnd", "")
    ret = FindWindowEx(ret,  0 , "TrayNotifyWnd", vbNullString)
    ret = FindWindowEx(ret,  0 , "SysPager", vbNullString)
    ret = FindWindowEx(ret,  0 , "ToolbarWindow32", vbNullString)