Invisible Item Properties on MailItems?

[Wolfixx]

Hi Guys,

I have a problem getting the the value of a ItemProperty which exists (you
can see it using OutlookSpy or displaying the column in the mail grid
(Customize current view / Fields / New Field) but I cannot get it when
iterating through the ItemProperties or UserProperties collection on the
Outlook.MailItem object.

ALTHOUGH I can overwrite the value by creating a a new property with the
same name using VBA (Outlook.MailItem.ItemProperties.Add) on that emails.
The problem is that I need to read that value.

Does Anyone have a clue?

Thanks in advance for any help
Wolfgang

[Sue Mosher [MVP]]

What happens when you try to return that property by name through
ItemProperties or UserProperties?
--
Sue Mosher, Outlook MVP
Author of Microsoft Outlook 2007 Programming:
Jumpstart for Power Users and Administrators
http://www.outlookcode.com/article.aspx?id=54

Post by Wolfixx
Hi Guys,
I have a problem getting the the value of a ItemProperty which exists (you
can see it using OutlookSpy or displaying the column in the mail grid
(Customize current view / Fields / New Field) but I cannot get it when
iterating through the ItemProperties or UserProperties collection on the
Outlook.MailItem object.
ALTHOUGH I can overwrite the value by creating a a new property with the
same name using VBA (Outlook.MailItem.ItemProperties.Add) on that emails.
The problem is that I need to read that value.
Does Anyone have a clue?
Thanks in advance for any help
Wolfgang

[Wolfixx]

I am getting a System.NullReferenceException

Post by Sue Mosher [MVP]
What happens when you try to return that property by name through
ItemProperties or UserProperties?
--
Sue Mosher, Outlook MVP
Jumpstart for Power Users and Administrators
http://www.outlookcode.com/article.aspx?id=54

Post by Wolfixx
Hi Guys,
I have a problem getting the the value of a ItemProperty which exists
(you can see it using OutlookSpy or displaying the column in the mail
grid (Customize current view / Fields / New Field) but I cannot get it
when iterating through the ItemProperties or UserProperties collection on
the Outlook.MailItem object.
ALTHOUGH I can overwrite the value by creating a a new property with the
same name using VBA (Outlook.MailItem.ItemProperties.Add) on that emails.
The problem is that I need to read that value.
Does Anyone have a clue?
Thanks in advance for any help
Wolfgang

[Sue Mosher [MVP]]

Please show the relevant code snippet and state your Outlook version.
--
Sue Mosher, Outlook MVP
Author of Microsoft Outlook 2007 Programming:
Jumpstart for Power Users and Administrators
http://www.outlookcode.com/article.aspx?id=54

Post by Wolfixx
I am getting a System.NullReferenceException

Post by Sue Mosher [MVP]
What happens when you try to return that property by name through
ItemProperties or UserProperties?

Post by Wolfixx
Hi Guys,
I have a problem getting the the value of a ItemProperty which exists
(you can see it using OutlookSpy or displaying the column in the mail
grid (Customize current view / Fields / New Field) but I cannot get it
when iterating through the ItemProperties or UserProperties collection
on the Outlook.MailItem object.
ALTHOUGH I can overwrite the value by creating a a new property with the
same name using VBA (Outlook.MailItem.ItemProperties.Add) on that emails.
The problem is that I need to read that value.
Does Anyone have a clue?
Thanks in advance for any help
Wolfgang

[Wolfixx]

Thanks Sue

I sorted it out. It seems that there are several custom Property which can
only be accessed by the CDO objects (Mapi.Message)

Post by Sue Mosher [MVP]
Please show the relevant code snippet and state your Outlook version.
--
Sue Mosher, Outlook MVP
Jumpstart for Power Users and Administrators
http://www.outlookcode.com/article.aspx?id=54

Post by Wolfixx
I am getting a System.NullReferenceException

Post by Sue Mosher [MVP]
What happens when you try to return that property by name through
ItemProperties or UserProperties?

Post by Wolfixx
Hi Guys,
I have a problem getting the the value of a ItemProperty which exists
(you can see it using OutlookSpy or displaying the column in the mail
grid (Customize current view / Fields / New Field) but I cannot get it
when iterating through the ItemProperties or UserProperties collection
on the Outlook.MailItem object.
ALTHOUGH I can overwrite the value by creating a a new property with
the same name using VBA (Outlook.MailItem.ItemProperties.Add) on that
emails.
The problem is that I need to read that value.
Does Anyone have a clue?
Thanks in advance for any help
Wolfgang

[Dmitry Streblechenko]

If you are using Outlook 2007 or higher, you can use
MailItem.PropertyAccessor to access any MAPI property.
--
Dmitry Streblechenko (MVP)
http://www.dimastr.com/
OutlookSpy - Outlook, CDO
and MAPI Developer Tool
-

Post by Wolfixx
Thanks Sue
I sorted it out. It seems that there are several custom Property which can
only be accessed by the CDO objects (Mapi.Message)

Post by Sue Mosher [MVP]
Please show the relevant code snippet and state your Outlook version.
--
Sue Mosher, Outlook MVP
Jumpstart for Power Users and Administrators
http://www.outlookcode.com/article.aspx?id=54

Post by Wolfixx
I am getting a System.NullReferenceException

Post by Sue Mosher [MVP]
What happens when you try to return that property by name through
ItemProperties or UserProperties?

Post by Wolfixx
Hi Guys,
I have a problem getting the the value of a ItemProperty which exists
(you can see it using OutlookSpy or displaying the column in the mail
grid (Customize current view / Fields / New Field) but I cannot get it
when iterating through the ItemProperties or UserProperties collection
on the Outlook.MailItem object.
ALTHOUGH I can overwrite the value by creating a a new property with
the same name using VBA (Outlook.MailItem.ItemProperties.Add) on that
emails.
The problem is that I need to read that value.
Does Anyone have a clue?
Thanks in advance for any help
Wolfgang