XObject.Annotation Method (Type)

 

Gets the first annotation object of the specified type from this XObject.

Namespace:   System.Xml.Linq
Assembly:  System.Xml.Linq (in System.Xml.Linq.dll)

Public Function Annotation (
	type As Type
) As Object

Parameters

type
Type: System.Type

The Type of the annotation to retrieve.

Return Value

Type: System.Object

The Object that contains the first annotation object that matches the specified type, or null if no annotation is of the specified type.

The following example adds an annotation to an XElement. It then retrieves the annotation, specifying the type to retrieve.


                Public Class MyAnnotation
    Private _tag As String

    Property Tag() As String
        Get
            Return Me._tag
        End Get
        Set(ByVal Value As String)
            Me._tag = Value
        End Set
    End Property

    Public Sub New(ByVal tag As String)
        Me._tag = tag
    End Sub
End Class

Module Module1
    Sub Main()
        Dim ma As MyAnnotation = New MyAnnotation("T1")
        Dim root As XElement = <Root>content</Root>
        root.AddAnnotation(ma)

        Dim ma2 As MyAnnotation = DirectCast(root.Annotation(GetType(MyAnnotation)), MyAnnotation)
        Console.WriteLine(ma2.Tag)
    End Sub

End Module

This example produces the following output:


T1

Universal Windows Platform
Available since 8
.NET Framework
Available since 3.5
Portable Class Library
Supported in: portable .NET platforms
Silverlight
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Windows Phone
Available since 8.1
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