public ExtraPropertyInfo(ExtraPropertyId id, IDictionary <string, string> descriptions)
{
if (id == null)
{
throw new ArgumentNullException();
}
if (descriptions == null)
{
throw new ArgumentNullException();
}
PropertyId = id;
Descriptions = descriptions.AsReadOnly();
}
/// <summary>
/// Gets the value of an "extra" property. If the referenced property doesn't exist, a null value is returned.</summary>
public virtual string this[ExtraPropertyId property]
{
get
{
if (property == null)
{
return(null);
}
if (property == ExtraPropertyId.TierArabic)
{
return(Tier == 0 ? "" : Tier.ToString());
}
else if (property == ExtraPropertyId.TierRoman)
{
return(WdUtil.RomanNumerals[Tier].ToString());
}
string result;
if (!_extras.TryGetValue(property, out result))
{
return(null);
}
return(result);
}
}
