How to create an Outlook Calendar folder by using WebDAV in Visual C#

Sample

1. Start Microsoft Visual Studio .NET or Microsoft Visual Studio 2005.
2. On the File menu, click New, and then click Project.
3. Select Console Application from the Visual C# Projects types. By default, Class1.cs is created in Visual Studio .NET. Program.cs is created in Visual Studio 2005.
4. In the code window, replace the whole code with the following:

   using System;
   using System.Net;
   using System.IO;      
   
   namespace WebDavNET
   {
     /// <summary>
     /// Summary description for Class1.
     /// </summary>
     class Class1
     {
       static void Main(string[] args)
       {
         try 
         {
           /*
           'strFolderType    Name
           '
           'MailItems        IPF.Note
           'ContactItems     IPF.Contact
           'AppointmentItems IPF.Appointment
           'NoteItems        IPF.StickyNote
           'TaskItems        IPF.Task
           'JournalItems     IPF.Journal
           */ 
   
           // TODO: Replace with the URL of an object on Exchange Server
           string sUri = "http://ExchServer/Exchange/Administrator/Inbox/NewApptFolder";
     
           System.Uri myUri = new System.Uri(sUri);
           HttpWebRequest HttpWRequest = (HttpWebRequest)WebRequest.Create(myUri);
   
           string sQuery;
           sQuery = "<?xml version='1.0'?>" + 
             "<a:propertyupdate xmlns:a='DAV:' " + 
             "xmlns:ex='http://schemas.microsoft.com/exchange/'>" + 
             "<a:set><a:prop>" + 
             "<ex:outlookfolderclass>IPF.Appointment</ex:outlookfolderclass>" + 
             "</a:prop></a:set>" + 
             "</a:propertyupdate>";
   
           // Set Credentials
           // TODO: Replace with appropriate user credentials
           NetworkCredential myCred = new NetworkCredential(@"DomainName\UserName", "UserPassword");
           CredentialCache myCredentialCache = new CredentialCache();
           myCredentialCache.Add(myUri, "Basic", myCred);
           HttpWRequest.Credentials = myCredentialCache;
   
           // Set Headers
           HttpWRequest.KeepAlive = false; 
           HttpWRequest.Headers.Set("Pragma", "no-cache");
           HttpWRequest.ContentType =  "text/xml";
           HttpWRequest.ContentLength = sQuery.Length;
   
           //Set the request timeout to 5 minutes
           HttpWRequest.Timeout = 300000;
           // Set the request method
           HttpWRequest.Method = "MKCOL";
   
           // Store the data in a byte array
           byte[] ByteQuery = System.Text.Encoding.ASCII.GetBytes(sQuery);
           HttpWRequest.ContentLength = ByteQuery.Length;
           Stream QueryStream = HttpWRequest.GetRequestStream();
           // Write the data to be posted to the Request Stream
           QueryStream.Write(ByteQuery,0,ByteQuery.Length);
           QueryStream.Close();
   
           // Send Request and Get Response
           HttpWebResponse HttpWResponse = (HttpWebResponse)HttpWRequest.GetResponse();
   
           // Get the Status code
           int iStatCode =  (int)HttpWResponse.StatusCode;
           string sStatus = iStatCode.ToString();
           Console.WriteLine("Status Code: {0}", sStatus);
           // Get the request headers
           string sReqHeaders = HttpWRequest.Headers.ToString();
           Console.WriteLine(sReqHeaders);
   
           // Read the Response Steam
           Stream strm = HttpWResponse.GetResponseStream();
           StreamReader sr = new StreamReader(strm);
           string sText = sr.ReadToEnd();
           Console.WriteLine("Response: {0}", sText);
   
           // Close Stream
           strm.Close();
   
           // Clean Up
           myCred = null;
           myCredentialCache = null;
           HttpWRequest = null;
           HttpWResponse = null;
           QueryStream = null;
           strm = null;
           sr = null;
         }
         catch (Exception e)
         {
           Console.WriteLine("{0} Exception caught.", e);
         }
       }
     }
   
   }

5. Modify the code wherever you see "TODO".
6. Press F5 to build and run the program.
7. Verify that the folder is created.

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