FutureMetadataBlock Class

Future Metadata Block.When the object is serialized out as xml, its qualified name is x:bk.

Inheritance Hierarchy


Namespace:  DocumentFormat.OpenXml.Spreadsheet
Assembly:  DocumentFormat.OpenXml (in DocumentFormat.OpenXml.dll)


<ChildElementInfoAttribute(GetType(ExtensionList))> _
Public Class FutureMetadataBlock _
    Inherits OpenXmlCompositeElement
Dim instance As FutureMetadataBlock
public class FutureMetadataBlock : OpenXmlCompositeElement


The following table lists the possible child types:

  • ExtensionList <x:extLst>

[ISO/IEC 29500-1 1st Edition]

18.9.2 bk (Future Metadata Block)

This element represents a block of future metadata information. This is a location for storing feature extension information.

Parent Elements

futureMetadata (§18.9.4)

Child Elements


extLst (Future Feature Data Storage Area)


[Note: The W3C XML Schema definition of this element’s content model (CT_FutureMetadataBlock) is located in §A.2. end note]

© ISO/IEC29500: 2008.

Thread Safety

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

See Also


FutureMetadataBlock Members

DocumentFormat.OpenXml.Spreadsheet Namespace