How to disable start button

[visweswaran2830]

I want to disable start button and alt+tab button using vb.net. Can any one help me. I tried with below coding but not success


Option Explicit

Private Declare Function EnableWindow Lib "user32" _
(ByVal hwnd As Long, ByVal fEnable 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 lpsz1 As String, _
ByVal lpsz2 As String) As Long

Sub StartButton(blnValue As Boolean)
Dim lngHandle As Long
Dim lngStartButton As Long

lngHandle = FindWindow("Shell_TrayWnd", "")
lngStartButton = FindWindowEx(lngHandle, 0, "Button", vbNullString)

If blnValue Then
EnableWindow lngStartButton, 1
Else
EnableWindow lngStartButton, 0
End If
End Sub

Private Sub Command1_Click()
StartButton True
End Sub

Private Sub Command2_Click()
StartButton False
End Sub