Explicit Conversion (XElement to Nullable(Guid))

XElement Narrowing Conversion (XElement to Nullable(Of Guid))

[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]

Cast the value of this XElement to a Nullable(Of T) of Guid.

This API is not CLS-compliant. 

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

'Declaration
Public Shared Narrowing Operator CType ( _
	element As XElement _
) As Nullable(Of Guid)

Parameters

element
Type: System.Xml.Linq.XElement
The XElement to cast to Nullable(Of T) of Guid.

Return Value

Type: System.Nullable(Of Guid)
A Nullable(Of T) of Guid that contains the content of this XElement.

ExceptionCondition
FormatException

The element does not contain a valid Guid value.

The following example creates an element with guid content. It then retrieves the value by casting to Nullable(Of T) of Guid.

Dim root As XElement = _ 
    <Root>
        <Value><%= New Guid("3c1cc55b-baff-4b7a-9d17-077af3aa5730") %></Value>
    </Root>
Dim value As Nullable(Of Guid) = CType(root.Element("Value"), Nullable(Of Guid))

Windows Phone OS

Supported in: 8.1, 8.0, 7.1, 7.0

Windows Phone

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