XAttribute Explicit Conversion (XAttribute to Int64)


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equivalentCodeEntityop_Explicit(XAttribute attribute)

Cast the value of this XAttribute to an Int64.

This API is not CLS-compliant.

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

public static explicit operator long (
	XAttribute attribute


Type: System.Xml.Linq.XAttribute

The XAttribute to cast to Int64.

Return Value

Type: System.Int64

A Int64 that contains the content of this XAttribute.

Exception Condition

The attribute does not contain a valid Int64 value.


The attribute parameter is null.

The following example creates an attribute with a long integer as content. It then retrieves the value of the attribute by casting to Int64.

                XElement root = new XElement("Root",
    new XAttribute("Att", 9223372036854775807)
long value = (long)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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