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StreamWriter.FlushAsync Method

.NET Framework 4.6 and 4.5

Clears all buffers for this stream asynchronously and causes any buffered data to be written to the underlying device.

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

[ComVisibleAttribute(false)]
[HostProtectionAttribute(SecurityAction.LinkDemand, ExternalThreading = true)]
public override Task FlushAsync()

Return Value

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

ExceptionCondition
ObjectDisposedException

The stream has been disposed.

NoteNote

The HostProtectionAttribute attribute applied to this type or member has the following Resources property value: ExternalThreading. The HostProtectionAttribute does not affect desktop applications (which are typically started by double-clicking an icon, typing a command, or entering a URL in a browser). For more information, see the HostProtectionAttribute class or SQL Server Programming and Host Protection Attributes.

.NET Framework

Supported in: 4.6, 4.5

.NET for Windows Phone apps

Supported in: Windows Phone 8.1, Windows Phone Silverlight 8.1, Windows Phone Silverlight 8
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