Extensions.Elements<T> Method (IEnumerable<T>)
[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]
Returns a collection of the child elements of every element and document in the source collection.
Assembly: System.Xml.Linq (in System.Xml.Linq.dll)
public static IEnumerable<XElement> Elements<T>( this IEnumerable<T> source ) where T : XContainer
Type Parameters
- T
The type of the objects in source, constrained to XContainer.
Parameters
- source
- Type: System.Collections.Generic.IEnumerable<T>
An IEnumerable<T> of XElement that contains the source collection.
Return Value
Type: System.Collections.Generic.IEnumerable<XElement>An IEnumerable<T> of XElement of the child elements of every element or document in the source collection.
Usage Note
In Visual Basic and C#, you can call this method as an instance method on any object of type IEnumerable<T>. When you use instance method syntax to call this method, omit the first parameter.| Exception | Condition |
|---|---|
| ArgumentNullException | source is null. |
Although Visual Basic contains an integrated elements axis that allows you to find all child elements with a specified XName for every element in the source collection, there is no integrated elements axis that allows you to retrieve a collection of every child element for every element in the source collection.
This method uses deferred execution.