protected override Boolean IsValid(CSSValue value)
{
VerticalAlignMode mode;
var calc = value.AsCalc();
if (calc != null)
{
_mode = new CalcVerticalAlignMode(calc);
}
else if (value is CSSIdentifierValue && modes.TryGetValue(((CSSIdentifierValue)value).Value, out mode))
{
_mode = mode;
}
else if (value != CSSValue.Inherit)
{
return(false);
}
return(true);
}