WriteAsync | writeAsync method
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StreamedFileDataRequest.WriteAsync | writeAsync method

Writes data from a buffer to the current stream.

Syntax


public:
IAsyncOperationWithProgress<UInt32, UInt32>^ WriteAsync(
  IBuffer^ buffer
)

Parameters

buffer

Type: IBuffer

The buffer that contains the data to write.

Return value

Type: IAsyncOperationWithProgress<UInt32, UInt32>

When this method completes, it returns the number of bytes (type UInt32) that were written to the stream. If the app specifies a function to monitor progress, that function receives the number of bytes (type UInt32) written so far.

Requirements (Windows 10 device family)

Device family

Universal, introduced version 10.0.10240.0

API contract

Windows.Foundation.UniversalApiContract, introduced version 1.0

Namespace

Windows.Storage
Windows::Storage [C++]

Metadata

Windows.Foundation.UniversalApiContract.winmd

Requirements (Windows 8.x and Windows Phone 8.x)

Minimum supported client

Windows 8

Minimum supported server

Windows Server 2012

Minimum supported phone

None supported

Namespace

Windows.Storage
Windows::Storage [C++]

Metadata

Windows.winmd

See also

StreamedFileDataRequest

 

 

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