Retrive Gmail to .net application using pop3

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C#

VB

C#4.0

Hi,

I am try to retrieve mail from gmail using pop3 but the mail count is not increasing.
m receiving only 508 mails ,how can i retrieve mails according to date.

thanks in advance.

in y mail i have mails till the date but it showing only mail received still April 4ht
here is code to get count of emails

public int GetEmailCount()
      {
          int count = 0;
          string response = SendCommand("STAT");
          if (IsResponseOk(response))
          {
              string[] arr = response.Substring(4).Split(' ');
              count = Convert.ToInt32(arr[0]);
          }
          else
              count = -1;
          return count;
      }

but m getting 508 only as count but mails are more than 508

here is code to fetch emails on email id means count

 public int FetchEmailList(int start, int count)
            {
                int emailCount = 0;
                count = 0;
                int i = start;
                List<email> emails = new List<email>(5);
                for (i = start; i > 0; i--)
                {
                    if (count != 5)
                    {
                        Email email = FetchEmail(i);
                        if (email != null)
                        {
                            string Subject = Convert.ToString(email.Subject);
                            string[] lines = Regex.Split(Subject, " ");
                            string Subject1 = lines[0];
                            if (Subject1 == "Contact" || email.From == "Must See India <cabs@mustseeindia.com>" || Subject1 == "Request" || Subject1 == "Feedback")
                            {
                                emails.Add(email);
                                count++;
                            }
                            emailCount++;
                        }
                    }
                    else
                    {

                        return emailCount;
                    }
                }

                return emailCount;
}

but i need to fetch emails on date is their any Google API to get mails on date

thank yo