public object Convert(object[] values, Type targetType, object parameter, CultureInfo culture)
{
var headerSiteHeight = (double)values[0];
var expandSiteHeight = (double)values[1];
var scale = (double)values[2];
var result = headerSiteHeight + expandSiteHeight * scale;
return(Boxes.Double(result));
}
public static void SetVerticalScrollBarOpacity(DependencyObject target, double value)
{
target.SetValue(VerticalScrollBarOpacityProperty, Boxes.Double(value));
}