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How do I create outlook appointments with c# in exchange?

Posted on 2011-03-07
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Last Modified: 2013-12-17
What is the easiest way to get it to work? I've been playing with Microsoft.Exchange.WebServices.Data; and it seems like this is the way to go.

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Question by:joein610
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by:plusone3055
ID: 35059037
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by:pchui
ID: 35065869
This is the documentation for creating appointments with the EWS Managed API:
http://msdn.microsoft.com/en-us/library/dd633661(v=exchg.80).aspx#Y100

I assume that you are writing a server app, so you'll need to to create appointments for other users. In which case, you'll also need to incorporate impersonation:
http://msdn.microsoft.com/en-us/library/dd633680(EXCHG.80).aspx

If you are writing a client app, just use the Outlook Object Model. This example is VB.NET, but you get the idea... http://support.microsoft.com/kb/313788
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Author Comment

by:joein610
ID: 35070122
Thank you for all the info. I'm trying to get it to work but it gets me an error all the time. I attached the API dll file but it seems like it doesn't work properly. Take a look at the screen shots
3-8-2011-8-58-55-AM.png
3-8-2011-8-59-45-AM.png
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by:pchui
ID: 35078671
Looks like you added the reference correctly, so I don't see why Visual Studio is complaining. Is Microsoft.Exchange.WebServices in the Object Browser (like in my screen shot)?
objectbrowser.JPG
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Author Comment

by:joein610
ID: 35082768
Yes it is. Is there anything else I can do to try to get this to work?
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Author Comment

by:joein610
ID: 35082812
This is how it looks like..
3-9-2011-8-52-29-AM.png
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Expert Comment

by:pchui
ID: 35089999
Try building my project file. It assumes that the Microsoft.Exchange.WebServices.dll is in a subfolder named "EWS".

 EwsManagedTest.csproj Program.cs
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Author Comment

by:joein610
ID: 35129085
Good Morning, I tried yours but  I got another error. I'm attaching my project + the screen shoot of the error.

The whole project is located here: http://www.nerdalert.biz/exchange.rar



3-14-2011-10-41-20-AM.png
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pchui earned 2000 total points
ID: 35135669
It should be pretty similar to the AssemblyInfo.cs in your project. AssemblyInfo.cs
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Author Comment

by:joein610
ID: 35141855
It worked. Thank you very much for your help. This is my code for any future reference:

using System;
using System.Net;
using System.Net.Security;
using System.Security.Cryptography.X509Certificates;
using Microsoft.Exchange.WebServices.Data;

namespace EwsManagedTest
{
    class Program
    {
        static void Main(string[] args)
        {
            ServicePointManager.ServerCertificateValidationCallback +=
            delegate(
                object sender,
                X509Certificate certificate,
                X509Chain chain,
                SslPolicyErrors sslPolicyErrors)
            {
                return true;
            };


            string userName = "login";
            string password = "password";
            string domain = "domain.com";
            string exchangeWebServiceUrl = "IPADDRESS/ews/exchange.asmx";
            ExchangeService service = new ExchangeService();
            service.Credentials = new WebCredentials(userName, password, domain);
            service.Url = new Uri(exchangeWebServiceUrl);

            Appointment appointment = new Appointment(service);
            appointment.Subject = "Testing";
            appointment.Start = DateTime.Now;
            appointment.End = appointment.Start.AddHours(1);
            appointment.Save();
           
        }
    }
}

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