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TextWriter.WriteAsync Method (Char[])

.NET Framework 4.6 and 4.5

Writes a character array to the text string or stream asynchronously.

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

[HostProtectionAttribute(SecurityAction.LinkDemand, ExternalThreading = true)]
public Task WriteAsync(
	char[] buffer


Type: System.Char[]

The character array to write to the text stream. If buffer is null, nothing 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.

Universal Windows Platform
Available since 4.5
.NET Framework
Available since 4.5
Portable Class Library
Supported in: portable .NET platforms
Windows Phone Silverlight
Available since 8.0
Windows Phone
Available since 8.1
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