通过

XElement Explicit Conversion (XElement to Int64)

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

Cast the value of this XElement to an Int64.

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 ( _
    element As XElement _
) As Long

public static explicit operator long (
    XElement element
)

Parameters

Return Value

Type: System.Int64
A Int64 that contains the content of this XElement.

Exceptions

Exception Condition
FormatException

The element does not contain a valid Int64 value.
ArgumentNullException

The element parameter is nulla null reference (Nothing in Visual Basic).

Examples

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

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

Dim root As XElement = <Root>9223372036854775807</Root>
Dim value As Long = CLng(root)

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.