Private Const RDW_INVALIDATE As Long = &H1
Private Declare Function GetDesktopWindow Lib "user32" () As Long
Private Declare Function LockWindowUpdate Lib "user32" (ByVal hwndLock As Long) As Long
Private Declare Function RedrawWindow Lib "user32" (ByVal hwnd As Long, lprcUpdate As Any, ByVal hrgnUpdate As Long, ByVal fuRedraw As Long) As Long
Public Sub RefreshDesktop()
Dim hDesk As Long
hDesk = GetDesktopWindow
Call LockWindowUpdate(hDesk)
Call RedrawWindow(hDesk, ByVal 0&, ByVal 0&, RDW_INVALIDATE)
Call LockWindowUpdate(False)
End Sub