StreamWriter.WriteAsync Method (String)

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

Writes a string to the stream asynchronously.

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


Public Overrides Function WriteAsync ( _
    value As String _
) As Task
public override Task WriteAsync(
    string value


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

Return Value

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


Exception Condition

The stream writer is disposed.


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

Version Information

Windows Phone OS

Supported in: 8.1, 8.0

See Also


StreamWriter Class

WriteAsync Overload

System.IO Namespace