Check whether the browser supports playing background sounds using the HTML element.

    Protected Sub btnWindowsOS_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btnWindowsOS.Click

        'Check whether the browser supports playing background sounds using the <bgsounds> HTML element.

        If Request.Browser.BackgroundSounds = True Then

            Label1.Text &= "<br /><br />Background Sounds supported "

        Else

            Label1.Text &= "<br /><br />Background Sounds not supported "

        End If

    End Sub