I am trying to retrive message using Outlook Web Access configured with
Microsoft Exchange Server. Well the Libraries i am using are
interop.cdoex.dll and interop.exoledb.dll
The method hadling the event is

I have an asp.net application which try to create/delete/update a meeting
request on Exchange 2003 through webdav. Now the creating/updating parts are
working fine but the cancellation isn't.
The cancellation email to receipts appears to be a updated meeting request

We have an application which leverages the webdav features of Exchange
2000/2003 and are working through the conversion to 2007, but have hit a
wall.  Whilst the documentation says webdav is "supported" in 2007, there are
clearly several differences.

I thought this would be a simple task but I have never done any programming
where I needed to access data from Exchange.  I'm trying to compile a list of
all open tasks that each user has in their exchange mailbox.  I simply want
to query the data, so that I can print out a ...

The following event sink code written in C# works fine in Exchange 2003.
However when the same code is built for and run on Exchange 2007, I get the
following exception on the "str.Open(...)" line:
"System.Runtime.InteropServices.COMException (0x800A0CB3): Object or

I have been tasked with wriitng some calendar code for Exchange 2007
WebService. I can create appointments and meetings fairly well, does anyone
know how to set what Outlook calls the "Label" property? This basically set
the color of the item as it appears on your calendar. I ...

Does anyone know how to delete a specific occurrence of a calendar item? I
can "query" a users calendar, but it seems to just find the RecurringMaster.
How do you get a handle on a specific occurence?
Any ideas?

How do I programatically create a recurring calendar appointment? I have
//*****************************************************************
//Set up the appointment
CalendarItemType appointment = new CalendarItemType();

Hello Again!
I'm using C#, WebDAV on Exchange 2003.
I have a folder that has multiple calendars.  I need to query all of these
and order by start time.  I can use multiple scopes and am able to

I'm using C# & WebDav to do searches on several users calendars.  I would
like to seach these folders using the following query (specify a date range
for the dtstart field).
+ "AND \"urn:schemas:calendar:dtstart\" > CAST(\"" +

I know how to update {which doesn't work well by the way} and delete
appointments. My question is how do you get the itemID for an item u wish to
work with? I can create an appointment and upon creation I save the ItemID
to a text file or database etc, but what do you do when you ...

Is there anyway at all, using the Microsoft CDO MAPI library, to save
an email to a local file system from exchange?
Currently, I can connect no dramas, and I can read the details of each
mail message like so:

Supose I have mailboxes for two companies/organizations on the same server.
Can I specify one starting/default theme for company "A" and a different
default theme for company "B" ?
If I have to change the theme for all the users in one company that is ok,

Is there a reference available that lists all properties available in
the http://schemas.microsoft.com/mapi/proptag/ namespace?  In
particular I'm looking for properties that might not be completely
obvious, such as Free/Busy data, etc.

I'm trying to read appointments from a calendar.  It is resulting in a
502 error.
The calendar is accessible over the internet without any problem.
What could be wrong?  Thanks a lot.  Bart