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CustomProperties Class

Custom Properties.When the object is serialized out as xml, its qualified name is x:customProperties.

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

public class CustomProperties : OpenXmlCompositeElement

The following table lists the possible child types:

  • CustomProperty <x:customPr>

[ISO/IEC 29500-1 1st Edition] customProperties (Custom Properties)

This collection is used to reference binary parts containing arbitrary user-defined data.

Parent Elements

worksheet (§

Child Elements


customPr (Custom Property)


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

© ISO/IEC29500: 2008.

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