TextReader.ReadLineAsync Method

July 28, 2014

Reads a line of characters asynchronously and returns the data as a string.

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

Public Overridable Function ReadLineAsync As Task(Of String)

Return Value

Type: System.Threading.Tasks.Task(Of String)
A task that represents the asynchronous read operation. The value of the TResult parameter contains the next line from the text reader, or is Nothing if all of the characters have been read.


The number of characters in the next line is larger than MaxValue.


The text reader has been disposed.


The reader is currently in use by a previous read operation.

Windows Phone OS

Supported in: 8.1, 8.0

© 2014 Microsoft