File​Output​Stream File​Output​Stream File​Output​Stream Class

Definition

Writes data to a file.

public sealed class FileOutputStream : IClosable, IOutputStreampublic sealed class FileOutputStream : IDisposable, IOutputStreamPublic NotInheritable Class FileOutputStream Implements IDisposable, IOutputStream
Attributes
Windows 10 requirements
Device family
Windows 10 (introduced v10.0.10240.0)
API contract
Windows.Foundation.UniversalApiContract (introduced v1)

Methods

Close() Close() Close()

Closes the current stream and releases system resources.

public void Close()This member is not implemented in C#This member is not implemented in VB.Net
Attributes
See Also

Dispose() Dispose() Dispose()

Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.

This member is not implemented in C++void Dispose()Sub Dispose
Attributes

FlushAsync() FlushAsync() FlushAsync()

Flushes data asynchronously in a sequential stream.

public IAsyncOperation<bool> FlushAsync()public IAsyncOperation<bool> FlushAsync()Public Function FlushAsync() As IAsyncOperation( Of bool )
Returns

The stream flush operation.

Attributes

Remarks

The FlushAsync method may produce latencies and does not always guarantee durable and coherent storage of data. It's generally recommended to avoid this method if possible.

WriteAsync(IBuffer) WriteAsync(IBuffer) WriteAsync(IBuffer)

Writes data asynchronously to a file.

public IAsyncOperationWithProgress<uint, uint> WriteAsync(IBuffer buffer)public IAsyncOperationWithProgress<uint, uint> WriteAsync(IBuffer buffer)Public Function WriteAsync(buffer As IBuffer) As IAsyncOperationWithProgress( Of uint, uint )
Parameters
buffer
IBuffer IBuffer IBuffer

The buffer into which the asynchronous writer operation writes.

Returns

The byte writer operation.

Attributes