PathIO.WriteBytesAsync | writeBytesAsync method

Writes a single byte of data to the file at the specified path or URI.

Syntax


Windows.Storage.PathIO.writeBytesAsync(absolutePath, buffer).done( /* Your success and error handlers */ );

Parameters

absolutePath

Type: String [JavaScript] | System.String [.NET] | Platform::String [C++]

The path of the file that the byte is written to.

buffer

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

An array of bytes to write.

Return value

Type: IAsyncAction

No object or value is returned when this method completes.

Remarks

Note  To read or write to a file using a path or URIs, you must have permission to access the file's location.

You can specify an app URIs to read or write files in app-specific locations like your app data folder ("ms-appdata://"). To learn more about app URIs, see How to reference content.

Requirements (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 (operating system)

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

PathIO

 

 

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