Asynchronously writes out all the attributes found at the current position in the XmlReader.
Assemblies: System.Xml (in System.Xml.dll)
System.Xml.ReaderWriter (in System.Xml.ReaderWriter.dll)
- Type: System.Xml.XmlReader
The XmlReader from which to copy the attributes.
- Type: System.Boolean
true to copy the default attributes from the XmlReader; otherwise, false.
Return ValueType: System.Threading.Tasks.Task
The task that represents the asynchronous WriteAttributes operation.
An XmlWriter method was called before a previous asynchronous operation finished. In this case, InvalidOperationException is thrown with the message “An asynchronous operation is already in progress.”
An XmlWriter asynchronous method was called without setting the Async flag to true. In this case, InvalidOperationException is thrown with the message “Set XmlWriterSettings.Async to true if you want to use Async Methods.”