FlushAsync Method
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Stream.FlushAsync Method ()

.NET Framework 4.6 and 4.5

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

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

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

Return Value

Type: System.Threading.Tasks.Task

A task that represents the asynchronous flush operation.

Exception Condition

The stream has been disposed.

If a derived class, such as DeflateStream or GZipStream, does not flush the buffer in its implementation of the Flush method, the FlushAsync method will not flush the buffer.

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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