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StringReader.ReadLineAsync Method

.NET Framework 4.6 and 4.5

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

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

[<ComVisibleAttribute(false)>]
abstract ReadLineAsync : unit -> Task<string> 
[<ComVisibleAttribute(false)>]
override ReadLineAsync : unit -> Task<string> 

Return Value

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

ExceptionCondition
ArgumentOutOfRangeException

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

ObjectDisposedException

The string reader has been disposed.

InvalidOperationException

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

The following example shows how to read one line at a time from a string asynchronously.

No code example is currently available or this language may not be supported.

.NET Framework

Supported in: 4.6, 4.5

Supported in: Windows Phone 8.1

Supported in: Windows Phone Silverlight 8.1

Supported in: Windows Phone Silverlight 8
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