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XAttribute Explicit Conversion (XAttribute to Nullable<UInt64>)

Microsoft Silverlight will reach end of support after October 2021. Learn more.

Cast the value of this XAttribute to a Nullable<T> of UInt64.

This API is not CLS-compliant. 

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

Syntax

'Declaration
Public Shared Narrowing Operator CType ( _
    attribute As XAttribute _
) As Nullable(Of ULong)

public static explicit operator Nullable<ulong> (
    XAttribute attribute
)

Parameters

Return Value

Type: System.Nullable<UInt64>
A Nullable<T> of UInt64 that contains the content of this XAttribute.

Exceptions

Exception Condition
FormatException

The attribute does not contain a valid UInt64 value.

Version Information

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

Platforms

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.