// apply a layout rule
static void ApplyRule(Android.Widget.RelativeLayout.LayoutParams lp, LayoutRule rule)
{
if (rule.Subject.HasValue)
{
lp.AddRule(rule, rule.Subject.Value);
}
else
{
lp.AddRule(rule);
}
}
// remove a layout rule
static void RemoveRule(Android.Widget.RelativeLayout.LayoutParams lp, LayoutRule rule)
{
lp.RemoveRule(rule.Verb);
}