XElement Narrowing Conversion (XElement to Nullable(Of UInt64))
[ 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 UInt64.
Assembly: System.Xml.Linq (in System.Xml.Linq.dll)
'Declaration Public Shared Narrowing Operator CType ( _ element As XElement _ ) As Nullable(Of ULong)
Parameters
- element
- Type: System.Xml.Linq.XElement
The XElement to cast to Nullable(Of T) of UInt64.
Return Value
Type: System.Nullable(Of UInt64)A Nullable(Of T) of UInt64 that contains the content of this XElement.
| Exception | Condition |
|---|---|
| FormatException | The element does not contain a valid UInt64 value. |
The following example creates an element with unsigned long integer content. It then retrieves the value by casting to Nullable(Of T) of UInt64.
Show: