XAttribute Explicit Conversion (XAttribute to Double)

equivalentCodeEntityop_Explicit(XAttribute attribute)

Cast the value of this XAttribute to a Double.

This API is not CLS-compliant.

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

public static explicit operator double (
	XAttribute attribute


Type: System.Xml.Linq.XAttribute

The XAttribute to cast to Double.

Return Value

Type: System.Double

A Double that contains the content of this XAttribute.

Exception Condition

The attribute does not contain a valid Double value.


The attribute parameter is null.

The following example creates an attribute with Double content. It then retrieves the value by casting to Double.

                XElement root = new XElement("Root",
    new XAttribute("Att", 1.79769313486231e308)
double value = (double)root.Attribute("Att");
Console.WriteLine("value={0}", value);

This example produces the following output:


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