TextWriter.WriteLineAsync Method (String)

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

Writes a string followed by a line terminator asynchronously to the text string or stream.

Namespace: System.IO
Assembly: mscorlib (in mscorlib.dll)


Public Overridable Function WriteLineAsync ( _
    value As String _
) As Task
public virtual Task WriteLineAsync(
    string value


  • value
    Type: System..::.String
    The string to write. If the value is nullNothingnullptra null reference (Nothing in Visual Basic), only a line terminator is written.

Return Value

Type: System.Threading.Tasks..::.Task
A task that represents the asynchronous write operation.


Exception Condition

The text writer is disposed.


The text writer is currently in use by a previous write operation.


The line terminator is defined by the CoreNewLine field.

Version Information

Windows Phone OS

Supported in: 8.1, 8.0

See Also


TextWriter Class

WriteLineAsync Overload

System.IO Namespace