func setLayoutSpacing(layout walk.Layout, spacing int, spacingZero bool) error {
if !spacingZero && spacing == 0 {
spacing = 6
}
return layout.SetSpacing(spacing)
}
func setLayoutMargins(layout walk.Layout, margins Margins, marginsZero bool) error {
if !marginsZero && margins.isZero() {
margins = Margins{9, 9, 9, 9}
}
return layout.SetMargins(margins.toW())
}