[SerializableAttribute]
[PersistenceVersionAttribute(2, 0)]
[ImmutableAttribute]
public sealed class CategoryKey : ISerializable, 
	IComparable<CategoryKey>, ICategoryKey, IComparable<ICategoryKey>, 
	ILibraryXmlSerializable

The CategoryKey type exposes the following members.

	Name	Description
	CategoryKey	Initializes a new instance of the CategoryKey class.

	Name	Description
	CompareTo	Compares the current object with another object of the same type.
	Finalize	Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.)
	GetType	Gets the Type of the current instance. (Inherited from Object.)
	MemberwiseClone	Creates a shallow copy of the current Object. (Inherited from Object.)

Since categorical axes are hierarchical, a CategoryKey is made from the values of each level in the hierarchy. For instance, if an axis has an expression that nests an integer column within a string column, a category key would be defined by a string value and an integer.

Supported in: 7.6, 7.5, 7.0, 6.5, 6.0, 5.5, 5.0

See Also

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Reference