使用 C# 进行 Outlook 2003 编程的简介

 private void btnGetEMailStats_Click(CommandBarButton Ctrl,
  ref bool CancelDefault)
{
  string statInfo;
  DateTime today = DateTime.Today;
  // The stats we are tracing.
  int eMailsToday = 0;
  int eMailsThisMonth = 0;
  int eMailSentToday = 0;
  int eMailSentThisMonth = 0;
  // Get items in user's inbox.
  NameSpace outlookNS = applicationObject.GetNamespace("MAPI");
  MAPIFolder inboxFolder
    = outlookNS.GetDefaultFolder(OlDefaultFolders.olFolderInbox);
  // Compare time received to current day / month
  // and update our counters.
  foreach(object item in inboxFolder.Items)
  {
    MailItem mi = item as MailItem;
    if(mi != null)
    {
      if(mi.ReceivedTime.Day == today.Day)
        eMailsToday++;
      if(mi.ReceivedTime.Month == today.Month)
        eMailsThisMonth++;
    }
  }
  // Build first part of statInfo string.
  statInfo = string.Format("E-mails received today: {0}\n",
    eMailsToday);
  statInfo += string.Format("E-mails received this Month: {0}\n",
    eMailsThisMonth);
  statInfo += "--------------------------------------\n";
  // Get items in user's sent item folder and
  // test again.
  MAPIFolder SentFolder =
    outlookNS.GetDefaultFolder(OlDefaultFolders.olFolderSentMail);
  foreach(object item in SentFolder.Items)
  {
    // See if current item is a MailItem
    MailItem mi = item as MailItem;
    if(mi != null)
    {
      // It is, so get day/month stats.
      if(mi.SentOn.Day == today.Day)
        eMailSentToday++;
      if(mi.SentOn.Month == today.Month)
        eMailSentThisMonth++;
    }
  }
  // Build last part of statInfo string.
  statInfo += string.Format("E-mails sent today: {0}\n",
    eMailSentToday);
  statInfo += string.Format("E-mails sent this Month: {0}\n",
    eMailSentThisMonth);
  // Show results.
  MessageBox.Show(statInfo, "Current E-mail stats");
}