Private networkAvailableEventHandler As NetworkAvailableEventHandler = AddressOf NetworkConnectionChanged

 Private Sub NetworkConnectionChanged(sender As Object, e As NetworkAvailableEventArgs)
        If Not disposed Then
        End If
 End Sub

 Dim disposed As Boolean = False
    Public Overloads Sub Dispose() Implements IDisposable.Dispose
    End Sub

    Protected Overridable Overloads Sub Dispose(disposing As Boolean)
        If disposed = False Then
            If disposing Then
                RemoveHandler My.Computer.Network.NetworkAvailabilityChanged, networkAvailableEventHandler
                networkAvailableEventHandler = Nothing
                disposed = True
            End If
        End If
    End Sub

    Protected Overrides Sub Finalize()
    End Sub

I have something close to above, my problem is, even after disposing the whole object the EventHandler invoke the NetworkConnectionChanged method even after removing the address.

any clues?

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You can find an example about Removehandler, Here

That post didnt help but thanks!

Here's how I'm handling things:

AddHandler Button1.Click, AddressOf NetworkConnectionChanged

Button1.Click could be remove with your event. And btw, AddHandler sometime doesn't work with Private Sub, use Sub instead might be safer.

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