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XObject.Annotation(Of T) Method

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

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

'Declaration
Public Function Annotation(Of T As Class) As T

Type Parameters

T

The type of the annotation to retrieve.

Return Value

Type: T
The first annotation object that matches the specified type, or Nothing if no annotation is of the specified type.

The following class is used in the example below:


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


The following example adds an annotation to an element, and then retrieves it through this method.


Dim output As New StringBuilder
Dim ma As MyAnnotation = New MyAnnotation("T1")
Dim root As XElement = <Root>content</Root>
root.AddAnnotation(ma)

Dim ma2 As MyAnnotation = root.Annotation(Of MyAnnotation)()
output.Append(ma2.Tag)
output.Append(Environment.NewLine)

OutputTextBlock.Text = output.ToString()


Silverlight

Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0

XNA Framework

Supported in: Xbox 360, Windows Phone OS 7.0

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

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