Annotations(T) Method
Collapse the table of content
Expand the table of content

XObject.Annotations(Of T) Method

[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]

Gets a collection of annotations of the specified type for this XObject.

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

'Declaration
Public Function Annotations(Of T As Class) As IEnumerable(Of T)

Type Parameters

T

The type of the annotations to retrieve.

Return Value

Type: System.Collections.Generic.IEnumerable(Of T)
An IEnumerable(Of T) that contains the annotations for this XObject.

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 uses this method to retrieve annotations on an element.


Dim output As New StringBuilder
Dim root As XElement = <Root>content</Root>
root.AddAnnotation(New MyAnnotation("T1"))
root.AddAnnotation(New MyAnnotation("T2"))
root.AddAnnotation("abc")
root.AddAnnotation("def")

Dim annotationList As IEnumerable(Of MyAnnotation)
annotationList = root.Annotations(Of MyAnnotation)()
For Each ma As MyAnnotation In annotationList
    output.Append(ma.Tag)
    output.Append(Environment.NewLine)
Next
output.Append("----")
output.Append(Environment.NewLine)

Dim stringAnnotationList As IEnumerable(Of String)
stringAnnotationList = root.Annotations(Of String)()
For Each str As String In stringAnnotationList
    output.Append(str)
    output.Append(Environment.NewLine)
Next

OutputTextBlock.Text = output.ToString()


Windows Phone OS

Supported in: 8.1, 8.0, 7.1, 7.0

Windows Phone

Show:
© 2017 Microsoft