TextReader.ReadLineAsync Method

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

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)
public virtual Task<string> ReadLineAsync()

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 nullNothingnullptra null reference (Nothing in Visual Basic) if all of the characters have been read.


Exception Condition

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.

Version Information

Windows Phone OS

Supported in: 8.1, 8.0

See Also


TextReader Class

System.IO Namespace

Other Resources

Quickstart: Text for Windows Phone