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#1
March 25th 08, 03:01 PM
posted to microsoft.public.outlook.program_addins
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Question about multiple instances of a MapiFolder object
I have designed a MapiFolder/Folders collection wrapper class to detect any changes in the folder structure of outlook. Now, when I rename a folder the FolderChange event fires, sending a MapiFolder object which has got the already new folder name. So far so good. But inside my wrapper class there still exists a MapiFolder object belonging to the same folder. Querying the folder name of this object retrieves the previous name of the folder! Is that a normal behaviour? Why doesn't the name get updated? And: Is it still possible to use the old MapiFolder object or is not only "outdated" in respect of the name? 
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#2
March 25th 08, 03:44 PM
posted to microsoft.public.outlook.program_addins
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Question about multiple instances of a MapiFolder object
In cases like that you are probably best off resetting the MAPIFolder object
in your wrapper class to reflect the new item. You don't want to be holding outdated references. You can add a public property to your wrapper class, say called Folder and set that to the updated MAPIFolder object. -- Ken Slovak [MVP - Outlook] http://www.slovaktech.com Author: Professional Programming Outlook 2007 Reminder Manager, Extended Reminders, Attachment Options http://www.slovaktech.com/products.htm wrote in message ... I have designed a MapiFolder/Folders collection wrapper class to detect any changes in the folder structure of outlook. Now, when I rename a folder the FolderChange event fires, sending a MapiFolder object which has got the already new folder name. So far so good. But inside my wrapper class there still exists a MapiFolder object belonging to the same folder. Querying the folder name of this object retrieves the previous name of the folder! Is that a normal behaviour? Why doesn't the name get updated? And: Is it still possible to use the old MapiFolder object or is not only "outdated" in respect of the name?
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#3
March 25th 08, 04:28 PM
posted to microsoft.public.outlook.program_addins
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Question about multiple instances of a MapiFolder object
In cases like that you are probably best off resetting the MAPIFolder object in your wrapper class to reflect the new item. You don't want to be holding outdated references. You can add a public property to your wrapper class, say called Folder and set that to the updated MAPIFolder object. Thanks for answering. I did as you said. But I simply was wondering about the general approach behind that. If the wrapper class didn't check on the FolderChange event it would never be informed about the name change. I am quite a COM beginner and I thought the whole AddRef/ Release stuff had been devised to avoid things like that. Now I know better.
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