private long WriteAttachedItem(ItemAttachment attachment)
{
Item item = ConvertUtils.OpenAttachedItem(attachment);
long result = 0L;
if (item != null)
{
try
{
this.limitsTracker.StartEmbeddedMessage();
Charset itemWindowsCharset = ConvertUtils.GetItemWindowsCharset(item, this.options);
using (ItemToTnefConverter.TnefContentWriter embeddedMessageWriter = this.tnefWriter.GetEmbeddedMessageWriter(itemWindowsCharset))
{
OutboundAddressCache outboundAddressCache = new OutboundAddressCache(this.options, this.limitsTracker);
outboundAddressCache.CopyDataFromItem(item);
if (this.tnefType == TnefType.LegacyTnef && this.options.ResolveRecipientsInAttachedMessages)
{
outboundAddressCache.Resolve();
}
using (ItemToTnefConverter itemToTnefConverter = new ItemToTnefConverter(item, outboundAddressCache, embeddedMessageWriter, this.options, this.limitsTracker, this.tnefType, true))
{
ConversionResult conversionResult = itemToTnefConverter.Convert();
result = conversionResult.BodySize + conversionResult.AccumulatedAttachmentSize;
}
}
this.limitsTracker.EndEmbeddedMessage();
}
finally
{
item.Dispose();
}
}
return(result);
}
