Dan's WebDAV 101

This blog covers Messaging API development for Exchange and Outlook. My name is Daniel Bagley, I'm on the Messaging Developer Team.

mailto - limitations and paths forward

The mailto tag used in html content is used to load the default mapi client (email client) on the...

Author: Webdav101 Date: 08/22/2008

It breaks when I do this - recording the problem.

This blog post is about making things clearer... Have you ever had a hard time explaining to a...

Author: Webdav101 Date: 08/22/2008

Dynamic list of properties versus explicit properties

With messaging APIs, you can retrieve a list of properties dynamicly or by specific property name....

Author: Webdav101 Date: 08/21/2008

Howto: Read Attachments - Webdav: System.Net.HttpWebRequest vs System.Net.WebClient

I’ve run into issues with using a GET to read large attachments using HttpWebRequest. Because of...

Author: Webdav101 Date: 08/14/2008

Enumerating fields for CDOSYS, System.Web.Mail and System.Net.Mail

There are times when you may want to enumerate the fields set on a message while debugging issues...

Author: Webdav101 Date: 08/14/2008

Adding Inline Attachments with CDOSYS and System.Net.Mail.

In the following samples, I'm going to send an inline attachment using CDOSYS and System.Net.Mail...

Author: Webdav101 Date: 07/31/2008

HOWTO: Set and Get the a multibyte (Japanese, Chinese, Etc) custom header with CDOSYS

Custom headers in multibyte languages (Japanese, Chinese, etc) will not be encoded properly when set...

Author: Webdav101 Date: 07/24/2008

WebDAV: XML DOM vs managed classes.

I've seen a lot of issues with using the MSXML DOM when trying to get credentials from the...

Author: Webdav101 Date: 07/18/2008

When doing a WebDAV or any other search, you will likely see the .EDB file expands. When performing...

Author: Webdav101 Date: 07/18/2008

Howto: Add a body part to a message using CDOSYS.

The sample below shows how to add an additional body part to a message using cdosys. This example...

Author: Webdav101 Date: 07/16/2008

Howto: Add a body part using System.Net.Mail

The sample below shows how to add an additional body part to a message using System.Net.Mail. This...

Author: Webdav101 Date: 07/16/2008

Example of setting headers with System.Web.Mail

//============================ Optional Settings ======================== if (this.Priority.Length...

Author: Webdav101 Date: 07/16/2008

Example of setting headers with CDOSYS

//============================ Optional Settings ======================== if (this.Priority.Length...

Author: Webdav101 Date: 07/16/2008

Example of setting headers with System.Net.Mail

Here is a partial sample on setting header fields with System.Net.Mail:...

Author: Webdav101 Date: 07/16/2008

Getting a list of mailboxes with WebDAV

OK, WebDAV does not have the ability itself to get a list of mailboxes. However you can use other...

Author: Webdav101 Date: 06/11/2008

Comparing strings - a few samples

I thought I would share some simple sample code which is useful for finding problems in string...

Author: Webdav101 Date: 06/06/2008

System.Net.Mail with SSL to authenticate against port 465

Sending mail using System.Net.Mail with SSL will fail: System.Net.NetworkCredential aCred = new...

Author: Webdav101 Date: 06/02/2008

Call Dispose on client when calling COM+ objects.

Dispose MUST be called from the client and not from the serviced component... There is a requirement...

Author: Webdav101 Date: 05/29/2008

CDOSYS breaks after removing Outlook Express.

Yep, that will do it. There is a relationship between CDOSYS and Outlook Express. So, you should not...

Author: Webdav101 Date: 05/06/2008

Howto: CDOSYS/C# Sending an ICS file

Todo:1) Open an appointment in Outlook. Save to file as an .ICS file.2) Create a C# project and add...

Author: Webdav101 Date: 05/05/2008

HOWTO: VB/CDO 1.21 - Cancel a Recurring Meeting using a single Recurrance

' This code finds an meeting occurance and uses it to cancel the entire meeting series and' have...

Author: Webdav101 Date: 05/05/2008

Whats not supported with WebDAV?

Ahhh thats a big one... What is supported: • Non-recurring appointments • Contacts in Microsoft...

Author: Webdav101 Date: 05/01/2008

Exchange Protocol Documentation

Microsoft released preliminary protocol documentation for Exchange 2007 (as well as Microsoft Office...

Author: Webdav101 Date: 05/01/2008

Exchange Protocol Documentation

Microsoft released preliminary protocol documentation for Exchange 2007 (as well as Microsoft Office...

Author: Webdav101 Date: 05/01/2008

Why can't WebDAV read BCC?

Using WebDAV to read BCC information on messages (even in the Drafts folder) will not work. The...

Author: Webdav101 Date: 04/24/2008

Howto: Get Free/Busy Information with WebDAV/HTTP

CDO 1.21, CDOEX, etc can get Free/Busy information, however WebDAV cannot directly. You may use a...

Author: Webdav101 Date: 04/16/2008

Reading and changing OWA Settings

In OWA 2003, there were OWA settings mirrored in properties on the root folder of mailboxes which...

Author: Webdav101 Date: 04/14/2008

Drag and Drop with Outlook

Drag and Drop with Outlook is not supported by code. However there are some techniques which can...

Author: Webdav101 Date: 04/01/2008

Detecting Application Memory leaks in Unmanaged C++ with 4 lines of code:

I had written this up for my team a while back and thought I would share.... We have customers who...

Author: Webdav101 Date: 03/31/2008

How can I Increase WebDAV Performance?

  1. When working with lots of data, first search to get the HREFS of the items, then use the HREFS to...

Author: Webdav101 Date: 03/12/2008

Getting a delay when doing a WebDAV through a firewall?

If both Basic and Windows authentication is turned-on for the Exchange virtual directory on the...

Author: Webdav101 Date: 03/12/2008

Why can't I COPY or MOVE items across stores - i.e. mailboxes, public folders, servers?

COPY and MOVE will fail with a 502 error when trying to work across stores - not supported. You...

Author: Webdav101 Date: 03/12/2008

How to use WebDAV to access mailboxes across Exchange servers?

If there is a front-end server setup, you can access by opening a connection using HTTP or HTTPS and...

Author: Webdav101 Date: 03/12/2008

Howto Add an Attachment with Webdav

There is no mechanism to add an attachment in WebDAV. You will need to create/recreate the item...

Author: Webdav101 Date: 03/12/2008

Howto Delete Attachments with WebDAV

The DELETE verb only works on Exchange 2003 SP1 - it will not work on any earlier version/service...

Author: Webdav101 Date: 03/12/2008

How to work with Item and Folder Permissions using WebDAV?

Permissions to folders and items can be read and changed via WebDAV using an XML descriptor. It’s...

Author: Webdav101 Date: 03/12/2008

How do I work with Tasks using WebDAV.

WebDAV was not designed for working with outlook specific items such as Tasks and is not supported....

Author: Webdav101 Date: 03/12/2008

How do I cancel an appointment with WebDAV?

Unfortunately, there is no facility to cancel a meeting via WebDAV. You may be able to delete an...

Author: Webdav101 Date: 03/12/2008

HOWTO: VB - Reading Delegates WebDAV Sample

Private Sub Command1_Click() '===================================================== 'DoXML takes the...

Author: Webdav101 Date: 03/12/2008

Howto: VB - An example to create a public folder with storage limit settings.

In this example, the following properties are set during the folder creation. outlookfolderclass...

Author: Webdav101 Date: 03/12/2008

HOWTO: Write a file using VBScript

'-------------------------------------------------------------------------------' WriteFileText -...

Author: Webdav101 Date: 03/12/2008

Howto: VBScript - Read a file

'-----------------------------------------------------------------------------------' ReadFileText -...

Author: Webdav101 Date: 03/12/2008

HOWTO: Make XML returned from a propfind easier to read

Here is a sample to reformat XML returned from WebDAV PROPFINDs to make it a little easier to read....

Author: Webdav101 Date: 03/12/2008

HOWTO: Send Email With Attachment Using VB and WebDAV

To send an email with WebDAV, you will you will need to create/recreate the item with a WEBDAV PUT...

Author: Webdav101 Date: 03/12/2008

Howto: WebDAV SEARCH using C#

' This example shows how to do a SEARCH using C# // C# Example to SEARCH a mailbox.// TODO:// Add a...

Author: Webdav101 Date: 03/12/2008

Howto: WebDAV PROPFIND using VB.NET

' This example shows how to do a PROPFIND using VB.NET ‘ VB.NET PROPFIND‘ TODO: Create a VB.NET...

Author: Webdav101 Date: 03/12/2008

Howto: WebDAV X-MS-ENUMATTS using VBScript to enumerate attachments

' This example shows how to enumerate attachments on a message. X-MS-ENUMATTS will ' return phantom...

Author: Webdav101 Date: 03/12/2008

Howto: WebDAV COPY using VBScript

' This example shows how to do a COPY of a message to a folder. 'NOTE:' • Copying or Moving items...

Author: Webdav101 Date: 03/12/2008

Howto: WebDAV MOVE using VBScript

' This example shows how to do a MOVE of a message to a folder. 'NOTE:' • Copying or Moving items...

Author: Webdav101 Date: 03/12/2008

Howto: WebDAV PUT using VBScript

' This example shows how to do a PUT of a message to a folder. What is being written with a PUT...

Author: Webdav101 Date: 03/12/2008

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