I want to determine if a System.Type represents a system type (i.e., a type
that is defined in the .NET framework). The System.Type.UnderlyingSystemType
seems like the type of thing that I'm after, but that property always seems
to return the same type as the original type (i.e., type is
type.UnderlyingSystemType always seems to be True).

Thanks for any help.
Lance

>I want to determine if a System.Type represents a system type (i.e., a type
>that is defined in the .NET framework).

You can check the Assembly property of the type and see if it matches
a list of known assemblies that are in the .NET framework. But keep in
mind that such a list can be different from one framework version to
another.



Mattias

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Mattias Sjögren [MVP] mattias @ mvps.org
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Thanks.