Databinding windows combobox to outlook 2007 data

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Hi,

I am trying to use the visual studio express environment to create a simple
combobox on a windows form that is "databound" to the categories available in
outlook 2007.

I am able to create a datasource that maps to
Microsoft.Offic e.Interop.Outlo ok.Categories.

But when I use this as the Data Source property of the Combobox, I do not
get any value for the "Display Member" or the "Value Member" properties.

Any help would be great. Thanks.