XmlWriter.WriteElementStringAsync Method
Asynchronously writes an element with the specified prefix, local name, namespace URI, and value.
Namespace: System.Xml
Assembly: System.Xml (in System.Xml.dll)
public Task WriteElementStringAsync( string prefix, string localName, string ns, string value )
Parameters
- prefix
- Type: System.String
The prefix of the element.
- localName
- Type: System.String
The local name of the element.
- ns
- Type: System.String
The namespace URI of the element.
- value
- Type: System.String
The value of the element.
Return Value
Type: System.Threading.Tasks.TaskThe task that represents the asynchronous WriteElementString operation.
| Exception | Condition |
|---|---|
| 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 WriteElementString, with the same functionality. To use this method, you must set the Async flag to true.
Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
