• Wiz/dumb

    New Drop of MAPI/CDO Download Released Today

    • 4 Comments

    After a hiccup earlier this week in getting the new MAPI & CDO downloads published to microsoft.com, they released today.

    MAPI / CDO

    http://www.microsoft.com/downloads/details.aspx?familyid=E17E7F31-079A-43A9-BFF2-0A110307611E&displaylang=en

    CDO 1.21

    http://www.microsoft.com/downloads/details.aspx?familyid=2714320D-C997-4DE1-986F-24F081725D36&displaylang=en

  • Wiz/dumb

    MAPI Docs Moved

    • 0 Comments

    So, the Exchange team decided they didn't want to maintain the MAPI documentation anymore since they don't ship MAPI anymore. So the Outlook team stepped up and took over the docs. As such, you can now find them under the Outlook branch in the MSDN left-nav.

    http://msdn.microsoft.com/en-us/library/cc765775.aspx

    Steve Griffin has been working with the Outlook team on prettying them up and updating them for a few months, and they're now better than ever! He even got a new icon for MFCMAPI out of the deal!

  • Wiz/dumb

    Trouble with Live Search Maps Add-in for Outlook

    • 6 Comments

    Several million of you have downloaded the Live Search Maps Add-in for Outlook which allows integration in Outlook with maps and has some cool functionality around extending your appointment blocks to account for automatically calculated travel time among other things.

    We have received a large number of support cases that are caused either directly or indirectly because of this add-in. These include hangs, crashes, and leaks. There could be any number of different reasons for those, but to name one culprit, the add-in interops with CDO 1.21, which if you are a messaging developer following the blogs of anyone on our team, you will know that this is not supported.

    http://support.microsoft.com/kb/266353

    Worse than that, it is distributing CDO.dll, which is also not supported. http://support.microsoft.com/kb/171440

    A customer of mine reported an issue that lead us to another discovery. The add-in installs a custom form to your Personal forms registry and changes the default form for the calendar to IPM.Appointment.Location. The form it publishes is based on the LEO.oft form that it installs in your Program Files. The OFT was clearly customized from an existing item in the designer’s mailbox. The form contains a value for PR_START_DATE and PR_END_DATE set to 4/6/2006. The problem with this is that Outlook doesn’t use PR_START_DATE and PR_END_DATE, but CDO 1.21 does and OWA will set them as well. Outlook uses custom named props to keep track of dates.  Exchange normally keeps these custom props and PR_START/END_DATE in sync, but only if it needs to because of a modification you did from OWA or something like that. Otherwise, the original values will stick.

    If you have a CDO 1.21 application which filters based on a date, all the appointments you created with this form in your calendar will appear to be on 4/6/2006.

    The long-term plan for what to do about all the problems in this add-in has not been determined at the time of writing of this blog, but it may result in the download being removed from microsoft.com. This won’t help you fix up any items that already exist in your calendar though – nor will it prevent users from using the add-in if they already have it downloaded and installed.

    If you insist on continuing to use the add-in, then please at least use this updated form.

    You will need to publish this form to your Personal Forms library over the original. If you uncomfortable with that, you can

    1. Uninstall the add-in using Add/Remove Programs.
    2. Remove the existing form from your Personal forms library,
    3. Close Outlook and ensure no instances of Outlook.exe are running in Task Manager.
    4. Reinstall the add-in,
    5. Replace the LEO.oft in the Program Files folder (C:\Program Files\Live Search Maps for Outlook) with the one contained in the ZIP file linked above.
    6. Open Outlook. (the add-in will publish your new form).

    This should allow your CDO 1.21 code to execute normally on any newly created items. For existing items, you can use Outlook Object Model or CDO 1.21 (or Extended MAPI) code to loop through the appointments in your calendar and delete the PR_START_DATE and PR_END_DATE properties if they are on 4/6/2006 with a message class of IPM.Appointment.Location. Outlook should still be able to work with the appointment just fine without those properties.

  • Wiz/dumb

    Misha Shneerson : COM Interop: Handling events has side effects

    • 1 Comments

    Misha, a Senior Dev on the VSTO team just posted this blog describing why handling events in managed code can be problematic. This is not news to our team, but he provides a good explanation of why it’s problematic.

    Misha Shneerson : COM Interop: Handling events has side effects

    If any of what he says sounds familiar, it’s because our own Matt Stehle has been talking about this for a while.

  • Wiz/dumb

    OnSyncDelete Delete

    • 1 Comments

    The Exchange team is looking for some feedback on business scenarios that will be impacted by removing store sinks from the code. With Exchange 2007 and beyond, the new technology designed to replace store sinks is EWS Notifications and Transport Agents. However, with the removal of the synchronous store sinks, OnSyncSave and OnSyncDelete, there will be no means of synchronous notification of changes on the store. If you have a business scenario that makes use of synchronous store sinks, hop over to Matt’s blog post and give him some feedback on this.

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