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Home/ Questions/Q 6629061
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Editorial Team
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Editorial Team
Asked: May 25, 20262026-05-25T22:12:23+00:00 2026-05-25T22:12:23+00:00

So I just tried creating a new classification type, [Export(typeof(ClassificationTypeDefinition))] [Name(String)] internal static ClassificationTypeDefinition

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So I just tried creating a new classification type,

    [Export(typeof(ClassificationTypeDefinition))]
    [Name("String")]
    internal static ClassificationTypeDefinition _stringClassType;

But then I got a duplicate ClassificationTypeDefinition error telling me that “String” has already been defined. I didn’t define it anywhere else. Soon as I renamed it to “String2” it went away. I’m guessing these are already defined by VS… can I get a list of the predefined ones so I know which to avoid (or which ones I can use)?

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  1. Editorial Team
    Editorial Team
    2026-05-25T22:12:24+00:00Added an answer on May 25, 2026 at 10:12 pm

    Oops…. guess that wasn’t too hard to find after all.

    MSDN: PredefinedClassificationTypeNames Class

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