public static extern void DwmEnableComposition(CompositionAction uCompositionAction);

    Public Shared Sub DwmEnableComposition(ByVal uCompositionAction As CompositionAction)

        DwmEnableComposition(CompositionAction.DWM_EC_DISABLECOMPOSITION);

        DwmEnableComposition(CompositionAction.DWM_EC_ENABLECOMPOSITION);