SHChangeNotify

OK How do I force all explorer windows to refresh ? (I am changing registry values for Hidden Files) the registry part is fine and the files update if you hit f5 but there has to be a way to inform explorer to refresh itself which MUST be possible since if you use tools --> folder options to do it, it refreshes when you click ok.

Heres what the declarations I think I need but I can get no combination of wflags and uflags to work.

Code:

    <DllImport("shell32.dll")> _
    Public Sub SHChangeNotify(ByVal wEventID As HChangeNotifyEventID, ByVal uFlags As HChangeNotifyFlags, ByVal dwItem1 As IntPtr, ByVal dwItem2 As IntPtr)
    End Sub

 

ok SOMETIMES hitting f5 works, sometimes its doesn't

modAPI.SHChangeNotify(HChangeNotifyEventID.SHCNE_ASSOCCHANGED, HChangeNotifyFlags.SHCNF_IDLIST, IntPtr.Zero, IntPtr.Zero) ocasionaly works

This is silly how can it be this random ?