Export (0) Print
Expand All

XObject.Annotation<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)

public T Annotation<T>()
where T : class

Type Parameters

T

The type of the annotation to retrieve.

Return Value

Type: T
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 element, and then retrieves it through this method.

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 = root.Annotation<MyAnnotation>();
        Console.WriteLine(ma2.Tag);
    }
}

This example produces the following output:

T1

Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC, Xbox 360, Zune

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

.NET Framework

Supported in: 3.5

.NET Compact Framework

Supported in: 3.5

XNA Framework

Supported in: 3.0

Community Additions

ADD
Show:
© 2014 Microsoft