Backdrop Class

Backdrop Plane.When the object is serialized out as xml, its qualified name is a:backdrop.

Inheritance Hierarchy

System.Object
  DocumentFormat.OpenXml.OpenXmlElement
    DocumentFormat.OpenXml.OpenXmlCompositeElement
      DocumentFormat.OpenXml.Drawing.Backdrop

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

Syntax

'Declaration
<ChildElementInfoAttribute(GetType(Normal))> _
<ChildElementInfoAttribute(GetType(Anchor))> _
<ChildElementInfoAttribute(GetType(UpVector))> _
<ChildElementInfoAttribute(GetType(ExtensionList))> _
Public Class Backdrop _
    Inherits OpenXmlCompositeElement
'Usage
Dim instance As Backdrop

[ChildElementInfoAttribute(typeof(Normal))]
[ChildElementInfoAttribute(typeof(Anchor))]
[ChildElementInfoAttribute(typeof(UpVector))]
[ChildElementInfoAttribute(typeof(ExtensionList))]
public class Backdrop : OpenXmlCompositeElement

Remarks

The following table lists the possible child types:

• Anchor <a:anchor>

• Normal <a:norm>

• UpVector <a:up>

• ExtensionList <a:extLst>

[ISO/IEC 29500-1 1st Edition]

20.1.5.2 backdrop (Backdrop Plane)

This element defines a plane in which effects, such as glow and shadow, are applied in relation to the shape they are being applied to. The points and vectors contained within the backdrop define a plane in 3D space.

[Example: Consider the following image as an explanation of the backdrop plane definition:

In this image we see a plane being defined by an anchor point, the vector normal to the face of the plane and a vector pointing up in relation to the plane. end example]

Parent Elements
scene3d (§21.4.5.5); scene3d (§20.1.4.1.26)

Child Elements	Subclause
anchor (Anchor Point)	§20.1.5.1
extLst (Extension List)	§20.1.2.2.15
norm (Normal)	§20.1.5.10
up (Up Vector)	§20.1.5.13

[Note: The W3C XML Schema definition of this element’s content model (CT_Backdrop) is located in §A.4.1. 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

Reference

Backdrop Members

DocumentFormat.OpenXml.Drawing Namespace