RandomAccessStream.CopyAsync(IInputStream, IOutputStream, UInt64) | copyAsync(IInputStream, IOutputStream, UInt64) method

Applies to Windows and Windows Phone

Copies the specified number of bytes from a source stream to a destination stream.

Syntax


Public Shared Function CopyAsync(
  source As IInputStream,  
  destination As IOutputStream,  
  bytesToCopy As ULong 
) As IAsyncOperationWithProgress(Of UInt64, UInt64)

Parameters

source

Type: IInputStream

The stream to copy data from.

destination

Type: IOutputStream

The stream to copy data to.

bytesToCopy

Type: Number [JavaScript] | System.UInt64 [.NET] | uint64 [C++]

The number of bytes to copy.

Return value

Type: IAsyncOperationWithProgress<UInt64, UInt64>

The asynchronous operation.

Requirements

Minimum supported client

Windows 8

Minimum supported server

Windows Server 2012

Minimum supported phone

Windows Phone 8

Namespace

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

Metadata

Windows.winmd

See also

RandomAccessStream
CopyAsync(IInputStream, IOutputStream)

 

 

Show:
© 2014 Microsoft