WriteAttributesAsync Method
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XmlWriter.WriteAttributesAsync Method

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

Asynchronously writes out all the attributes found at the current position in the XmlReader.

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

public virtual Task WriteAttributesAsync(
	XmlReader reader,
	bool defattr
)

Parameters

reader
Type: System.Xml.XmlReader
The XmlReader from which to copy the attributes.
defattr
Type: System.Boolean
true to copy the default attributes from the XmlReader; otherwise, false.

Return Value

Type: System.Threading.Tasks.Task
The task that represents the asynchronous WriteAttributes operation.

ExceptionCondition
InvalidOperationException

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.”

InvalidOperationException

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.”

This is the asynchronous version of WriteAttributes(XmlReader, Boolean), with the same functionality. To use this method, you must set the Async flag to true.

Windows Phone OS

Supported in: 8.1, 8.0

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