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XElement Explicit Conversion (XElement to Nullable<Double>)

Cast the value of this XElement to a Nullable<T> of Double.

This API is not CLS-compliant. 

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

public static explicit operator Nullable<double> (
	XElement element
)

Parameters

element
Type: System.Xml.Linq.XElement
The XElement to cast to Nullable<T> of Double.

Return Value

Type: System.Nullable<Double>
A Nullable<T> of Double that contains the content of this XElement.

ExceptionCondition
FormatException

The element does not contain a valid Double value.

The following example creates an element with double precision floating point content. It then retrieves the value by casting to Nullable<T> of Double.

XElement root = new XElement("Root",
    new XElement("Value", 1.79769313486231e308)
);
double? value = (double?)root.Element("Value");

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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