XObject.AddAnnotation(Object) Method
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Adds an object to the annotation list of this XObject.
public:
void AddAnnotation(System::Object ^ annotation);
public void AddAnnotation (object annotation);
member this.AddAnnotation : obj -> unit
Public Sub AddAnnotation (annotation As Object)
- annotation
- Object
An object that contains the annotation to add.
The following example adds an annotation to an XElement.
public class MyAnnotation {
private string tag;
public string Tag {get{return tag;} set{tag=value;}}
public MyAnnotation(string tag) {
this.tag = tag;
}
}
public class Program {
public static void Main(string[] args) {
MyAnnotation ma = new MyAnnotation("T1");
XElement root = new XElement("Root", "content");
root.AddAnnotation(ma);
MyAnnotation ma2 = (MyAnnotation)root.Annotation<MyAnnotation>();
Console.WriteLine(ma2.Tag);
}
}
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(Of MyAnnotation)(), MyAnnotation)
Console.WriteLine(ma2.Tag)
End Sub
End Module
This example produces the following output:
T1
Note that annotations are not part of the infoset; they are not persisted, or displayed by ToString. Also, if you import an XML Namespace into your VB project and call AddAnnotation with the SaveOptions.OmitDuplicateNamespaces enumeration value, then only one element will contain the XML Namespace attribute instead of every element. For more information, see Removing duplicate namespaces in XML Literals.
Produit | Versions |
---|---|
.NET | Core 1.0, Core 1.1, Core 2.0, Core 2.1, Core 2.2, Core 3.0, Core 3.1, 5, 6, 7, 8, 9 |
.NET Framework | 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1 |
.NET Standard | 1.0, 1.1, 1.2, 1.3, 1.4, 1.6, 2.0, 2.1 |
UWP | 10.0 |
Commentaires sur .NET
.NET est un projet open source. Sélectionnez un lien pour fournir des commentaires :