ExchangeをC#で操作するマン

Program.cs

using Microsoft.Exchange.WebServices.Data;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace OutlookTest
{
    internal class Program
    {
        private static void Main(string[] args)
        {
            // init
            var service = new ExchangeService(ExchangeVersion.Exchange2010_SP2)
            {
                UseDefaultCredentials = false,
                Credentials = new WebCredentials("【メールアドレスいれてね！】", "【パスワード入れてね！】")
            };

            service.AutodiscoverUrl("【メールアドレスいれてね!】", url => true);

            // Set specific duration
            var startDate = DateTime.Now.AddDays(-60);
            var endDate = startDate.AddDays(30);

            // Mail
            // Get all folders
            var mailFolders = GetAllMailFolders(service);

            mailFolders.ToList().ForEach(f =>
                Console.WriteLine
                (
                    new StringBuilder().
                    AppendLine(string.Format("FolderId: {0}", f.Id)).
                    AppendLine(string.Format("Name: {0}", f.DisplayName))
                ));

            // Get mails
            var maiItems = mailFolders.Select(f => GetMailItems(service, f, 10, startDate, endDate));

            maiItems.ToList().ForEach(i => i.ToList().ForEach(m =>
                Console.WriteLine
                (
                    new StringBuilder().
                    AppendLine(string.Format("Subject: {0}", m.Item.Subject)).
                    AppendLine(string.Format("Date:{0}", m.Item.DateTimeReceived.ToString())).
                    AppendLine(string.Format("From:{0}", m.Item.LastModifiedName)).
                    AppendLine(string.Format("Body:{0}", m.Item.Body)
                ))));

            // Get appointments in calendar
            var appointments = GetAppointments(service, 10, startDate, endDate);

            appointments.ToList().ForEach(a =>
                Console.WriteLine
                (
                    new StringBuilder().
                    AppendLine(string.Format("Subject: {0}", a.Subject.ToString())).
                    AppendLine(string.Format("Start: {0}", a.Start.ToString())).
                    AppendLine(string.Format("End: {0}", a.End.ToString()))
                ));
        }

        /// <summary>
        /// Get all mail folders
        /// refs: https://msdn.microsoft.com/en-us/library/office/dd633627(v=exchg.80).aspx
        /// </summary>
        /// <param name="service"></param>
        private static FindFoldersResults GetAllMailFolders(ExchangeService service)
        {
            var view = new FolderView(1000);
            view.PropertySet = new PropertySet(BasePropertySet.IdOnly);
            view.PropertySet.Add(FolderSchema.DisplayName);

            var filter = new SearchFilter.IsGreaterThan(FolderSchema.TotalCount, 0);
            view.Traversal = FolderTraversal.Deep;

            return service.FindFolders(WellKnownFolderName.Root, filter, view);
        }

        /// <summary>
        /// Get mail items for a specific duration
        /// refs: http://stackoverflow.com/a/11363175
        /// </summary>
        /// <param name="service"></param>
        /// <param name="folder"></param>
        /// <param name="count"></param>
        /// <param name="startDate"></param>
        /// <param name="endDate"></param>
        /// <returns></returns>
        private static IEnumerable<GetItemResponse> GetMailItems(ExchangeService service, Folder folder, int count, DateTime startDate, DateTime endDate)
        {
            var filter = new SearchFilter.SearchFilterCollection
                (
                    LogicalOperator.And,
                    new SearchFilter.IsGreaterThanOrEqualTo(ItemSchema.DateTimeReceived, startDate),
                    new SearchFilter.IsLessThan(ItemSchema.DateTimeReceived, endDate)
                );

            var mailFolder = Folder.Bind(service, folder.Id);
            var findResults = mailFolder.FindItems(filter, new ItemView(count));
            if (findResults.Count() == 0) return Enumerable.Empty<GetItemResponse>();

            return service.BindToItems
                (
                    findResults.Select(i => i.Id),
                    new PropertySet(BasePropertySet.FirstClassProperties, EmailMessageSchema.From, EmailMessageSchema.ToRecipients)
                );
        }

        /// <summary>
        /// Get appointments in calendar for a specific duration
        /// refs: http://anopara.matrix.jp/2014/05/13/coutlook%E3%81%8B%E3%82%89%E4%BA%88%E5%AE%9A%E8%A1%A8%E3%83%87%E3%83%BC%E3%82%BF%E3%81%A8%E3%81%8B%E3%82%92%E5%8F%96%E5%BE%97%E3%81%99%E3%82%8B/
        /// </summary>
        /// <param name="service"></param>
        /// <param name="count"></param>
        /// <param name="startDate"></param>
        /// <param name="endDate"></param>
        /// <returns></returns>
        private static FindItemsResults<Appointment> GetAppointments(ExchangeService service, int count, DateTime startDate, DateTime endDate)
        {
            var calendar = CalendarFolder.Bind(service, WellKnownFolderName.Calendar, new PropertySet());
            var cView = new CalendarView(startDate, endDate, count)
                {
                    PropertySet = new PropertySet(AppointmentSchema.Subject, AppointmentSchema.Start, AppointmentSchema.End)
                };

            return calendar.FindAppointments(cView);
        }
    }
}

ExchangeのDLLは

C:\Program Files (x86)\Microsoft\Exchange\Web Services\2.0あたりに入っています。

参考：

http://anopara.matrix.jp/2014/05/13/coutlook%E3%81%8B%E3%82%89%E4%BA%88%E5%AE%9A%E8%A1%A8%E3%83%87%E3%83%BC%E3%82%BF%E3%81%A8%E3%81%8B%E3%82%92%E5%8F%96%E5%BE%97%E3%81%99%E3%82%8B/