Windows Dev Center

FileIO.WriteBytesAsync | writeBytesAsync method

Writes an array of bytes of data to the specified file.

Syntax


public static IAsyncAction WriteBytesAsync(
  IStorageFile file, 
  byte[] buffer
)

Parameters

file

Type: IStorageFile

The file that the byte is written to.

buffer

Type: array of Number [JavaScript] | System.Byte[] [.NET] | Platform::Array<uint8> [C++]

The array of bytes to write.

Return value

Type: IAsyncAction

No object or value is returned when this method completes.

Requirements (Windows 10 device family)

Device family

Universal

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

Windows Phone 8.1 [Windows Phone Silverlight 8.1 and Windows Runtime apps]

Namespace

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

Metadata

Windows.winmd

See also

FileIO

 

 

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