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Annotation Class

Represents a user annotation in the Microsoft Annotations Framework.

Namespace: System.Windows.Annotations
Assembly: PresentationFramework (in presentationframework.dll)

public sealed class Annotation : IXmlSerializable
public final class Annotation implements IXmlSerializable
public final class Annotation implements IXmlSerializable
<Annotation .../>

Annotation represents a single annotation with all associated anchoring and content data. An annotation consists of the following main elements.

  • Zero, one, or more Anchors that identify what is being annotated.

  • Zero, one, or more Cargos that contain the user data for the annotation.

  • Zero, one, or more Authors that define who created the annotation.

  • A CreationTime that specifies the date and time when the annotation was created.

  • A LastModificationTime that specifies when the annotation was last updated.

  • A unique annotation Id (a globally unique identifier (GUID)).


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

Windows 98, Windows Server 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0