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IOutputStream::WriteAsync method

Creates an asynchronous byte writer operation object.

Syntax

HRESULT WriteAsync(
  [in]          IBuffer                                        *buffer,
  [out, retval] IAsyncOperationWithProgress<IBuffer *, UINT32> **operation
);

Parameters

  • buffer [in]
    The buffer into which the asynchronous write operation writes the bytes.

  • operation [out, retval]
    The asynchronous operation for writing the byte stream.

Return value

If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.

Remarks

Calling any method before all preceding calls have completed on this instance produces unspecified and non-deterministic results.

Requirements

Minimum supported client

Windows 8

Minimum supported server

Windows Server 2012

Header

Robytestream.h

IDL

Robytestream.idl

See also

IOutputStream

ReadAsync

FlushAsync