private void AppendTimeZoneInfo()
{
MailboxSession mailboxSession = this.item.Session as MailboxSession;
if (mailboxSession == null)
{
return;
}
ExTimeZone timeZone;
byte[] timeZoneBlob;
if (TimeZoneSettings.TryFindOwaTimeZone(mailboxSession, out timeZone))
{
timeZoneBlob = O12TimeZoneFormatter.GetTimeZoneBlob(timeZone);
this.tnefWriter.WriteProperty(InternalSchema.TimeZoneDefinitionStart, timeZoneBlob);
return;
}
if (TimeZoneSettings.TryFindOutlookTimeZone(mailboxSession, out timeZoneBlob))
{
this.tnefWriter.WriteProperty(InternalSchema.TimeZoneDefinitionStart, timeZoneBlob);
}
}
public static bool TryFindOutlookTimeZone(MailboxSession session, out byte[] blob)
{
blob = null;
try
{
SortBy[] sortColumns = new SortBy[]
{
new SortBy(InternalSchema.LastModifiedTime, SortOrder.Descending)
};
PropertyDefinition[] dataColumns = new PropertyDefinition[]
{
InternalSchema.AppointmentRecurring,
InternalSchema.AppointmentStateInternal,
InternalSchema.ResponseState,
InternalSchema.TimeZoneDefinitionRecurring
};
using (Folder folder = Folder.Bind(session, DefaultFolderType.Calendar))
{
using (QueryResult queryResult = folder.ItemQuery(ItemQueryType.None, null, sortColumns, dataColumns))
{
object[][] rows = queryResult.GetRows(10000);
foreach (object[] row in rows)
{
if (TimeZoneSettings.TryFindTimezoneRow(row, out blob))
{
return(true);
}
}
}
}
}
catch (ObjectNotFoundException)
{
}
catch (AccessDeniedException)
{
}
return(false);
}