internal static ReadOnlyCollection <AttachmentLink> InternalItemsToICal(string calendarName, IList <Item> items, ReadOnlyCollection <AttachmentLink> existingAttachmentLinks, OutboundAddressCache addressCache, bool suppressExceptionAndAttachmentDemotion, Stream stream, List <LocalizedString> errorStream, string charsetName, OutboundConversionOptions outboundConversionOptions)
{
Util.ThrowOnNullArgument(items, "items");
if (!suppressExceptionAndAttachmentDemotion && items.Count != 1)
{
throw new ArgumentException("Non suppressExceptionAndAttachmentDemotion mode should have one and only one item to demote");
}
Charset charset = Charset.GetCharset(charsetName);
CalendarDocument calendarDocument = new CalendarDocument();
using (CalendarWriter calendarWriter = new CalendarWriter(new StreamWrapper(stream, false), charset.Name))
{
ICalOutboundContext outboundContext = new ICalOutboundContext(charset, errorStream, addressCache, outboundConversionOptions, calendarWriter, calendarName, existingAttachmentLinks, suppressExceptionAndAttachmentDemotion);
calendarDocument.Demote(outboundContext, items);
}
return(existingAttachmentLinks);
}
private void Demote(ICalOutboundContext outboundContext, IList <Item> items)
{
this.vCalendar = new VCalendar(outboundContext);
this.vCalendar.Demote(items);
}