Annotation.Id Property

Gets the globally unique identifier (GUID) of the Annotation.

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

public Guid Id { get; }

Property Value

Type: System.Guid
The GUID of the annotation.

NoteNote

Id returns Empty if the annotation was instantiated by using the default Annotation constructor without parameters. An Annotation constructor with parameters should be used to correctly instantiate a new annotation with a valid GUID.

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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