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Const WS_CHILD = &H40000000
Const WM_LBUTTONDOWN = &H201
Const WM_LBUTTONUP = &H202
Const SW_HIDE = 0
Const SW_NORMAL = 1
Private Type RECT
    Left As Long
    Top As Long
    Right As Long
    Bottom As Long
End Type
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 FindWindow Lib "user32" Alias "FindWindowA" (ByVal lpClassName As String, ByVal lpWindowName As String) As Long
Private Declare Function ShowWindow Lib "user32" (ByVal hwnd As Long, ByVal nCmdShow As Long) As Long
Private Declare Function GetWindowRect Lib "user32" (ByVal hwnd As Long, lpRect As RECT) As Long
Private Declare Function CreateWindowEx Lib "user32" Alias "CreateWindowExA" (ByVal dwExStyle As Long, ByVal lpClassName As String, ByVal lpWindowName As String, ByVal dwStyle As Long, ByVal x As Long, ByVal y As Long, ByVal nWidth As Long, ByVal nHeight As Long, ByVal hWndParent As Long, ByVal hMenu As Long, ByVal hInstance As Long, lpParam As Any) As Long
Private Declare Function DestroyWindow Lib "user32" (ByVal hwnd As Long) As Long
Dim tWnd As Long, bWnd As Long, ncWnd As Long
Private Sub Form_Load()
    'KPD-Team 1998
    'URL: http://www.allapi.net/
    'E-Mail: KPDTeam@Allapi.net
    Dim R As RECT
    'Get the taskbar's window handle
    tWnd = FindWindow("Shell_TrayWnd", vbNullString)
    'Get the start-button's window handle
    bWnd = FindWindowEx(tWnd, ByVal 0&, "BUTTON", vbNullString)
    'Get the start button's position
    GetWindowRect bWnd, R
    'Create a new button
    ncWnd = CreateWindowEx(ByVal 0&, "BUTTON", "Hello !", WS_CHILD, 0, 0, R.Right - R.Left, R.Bottom - R.Top, tWnd, ByVal 0&, App.hInstance, ByVal 0&)
    'Show our button
    ShowWindow ncWnd, SW_NORMAL
    'Hide the start button
    ShowWindow bWnd, SW_HIDE
End Sub
Private Sub Form_Unload(Cancel As Integer)
    'show the start button
    ShowWindow bWnd, SW_NORMAL
    'destroy our button
    DestroyWindow ncWnd
End Sub


 
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