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XAttribute Explicit Conversion (XAttribute to Int64)

Cast the value of this XAttribute to an Int64.

This API is not CLS-compliant. 

Namespace:  System.Xml.Linq
Assemblies:   System.Xml.XDocument (in System.Xml.XDocument.dll)
  System.Xml.Linq (in System.Xml.Linq.dll)

public static explicit operator long (
	XAttribute attribute
)

Parameters

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.

ExceptionCondition
FormatException

The attribute does not contain a valid Int64 value.

ArgumentNullException

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:

value=9223372036854775807

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Portable Class Library

Supported in: Portable Class Library

.NET for Windows Store apps

Supported in: Windows 8

Supported in: Windows Phone 8.1

Supported in: Windows Phone Silverlight 8.1

Supported in: Windows Phone Silverlight 8

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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

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