public List <ImapMessageRec> EnumerateMessages(ImapConnection imapConnection, FetchMessagesFlags flags, int?highFetchValue = null, int?lowFetchValue = null)
{
ImapMailbox imapMailbox = imapConnection.SelectImapMailbox(this.folder);
int? numberOfMessages = imapMailbox.NumberOfMessages;
if (numberOfMessages == null || numberOfMessages.Value == 0)
{
MrsTracer.Provider.Debug("Imap folder {0} does not have any messages to be enumerated", new object[]
{
this.Name
});
return(new List <ImapMessageRec>(0));
}
int highFetchValue2 = highFetchValue ?? numberOfMessages.Value;
int lowFetchValue2 = lowFetchValue ?? 1;
EnumerateMessagesParams enumerateParams = new EnumerateMessagesParams(highFetchValue2, lowFetchValue2, flags);
IEnumerable <ImapMessageRec> collection = this.EnumerateMessagesInfoFromImapServer(imapConnection, enumerateParams);
List <ImapMessageRec> list = new List <ImapMessageRec>(collection);
list.Sort();
return(list);
}
private IEnumerable <ImapMessageRec> EnumerateMessagesInfoFromImapServer(ImapConnection imapConnection, EnumerateMessagesParams enumerateParams)
{
if (enumerateParams.LowFetchValue > enumerateParams.HighFetchValue)
{
return(new List <ImapMessageRec>(0));
}
ImapResultData messageInfoByRange = imapConnection.GetMessageInfoByRange(enumerateParams.LowFetchValue.ToString(CultureInfo.InvariantCulture), enumerateParams.HighFetchValue.ToString(CultureInfo.InvariantCulture), enumerateParams.FetchMessagesFlags.HasFlag(FetchMessagesFlags.FetchByUid), enumerateParams.FetchMessagesFlags.HasFlag(FetchMessagesFlags.IncludeExtendedData) ? ImapConnection.MessageInfoDataItemsForNewMessages : ImapConnection.MessageInfoDataItemsForChangesOnly);
return(this.GetImapMessageRecsFromResultData(messageInfoByRange, enumerateParams.FetchMessagesFlags));
}