Writer. Write Surrogate Char Entity Async(Char, Char) Method
Asynchronously generates and writes the surrogate character entity for the surrogate character pair.
public: virtual System::Threading::Tasks::Task ^ WriteSurrogateCharEntityAsync(char lowChar, char highChar);
public virtual System.Threading.Tasks.Task WriteSurrogateCharEntityAsync (char lowChar, char highChar);
abstract member WriteSurrogateCharEntityAsync : char * char -> System.Threading.Tasks.Task override this.WriteSurrogateCharEntityAsync : char * char -> System.Threading.Tasks.Task
Public Overridable Function WriteSurrogateCharEntityAsync (lowChar As Char, highChar As Char) As Task
The low surrogate. This must be a value between 0xDC00 and 0xDFFF.
The high surrogate. This must be a value between 0xD800 and 0xDBFF.
The task that represents the asynchronous
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."