• Article

Stream.CopyTo Method (Stream)

Microsoft Silverlight will reach end of support after October 2021. Learn more.

Reads all the bytes from the current stream and writes them to the destination stream.

Namespace:  System.IO
Assembly:  mscorlib (in mscorlib.dll)

Syntax

'Declaration
Public Sub CopyTo ( _
    destination As Stream _
)

public void CopyTo(
    Stream destination
)

Parameters

  • destination
    Type: System.IO.Stream
    The stream that will contain the contents of the current stream.

Exceptions

Exception Condition
ArgumentNullException

destination is nulla null reference (Nothing in Visual Basic).
NotSupportedException

The current stream does not support reading.

-or-

destination does not support writing.
ObjectDisposedException

Either the current stream or destination were closed before the CopyTo method was called.
IOException

An I/O error occurred.

Remarks

Copying begins at the current position in the current stream.

Version Information

Silverlight

Supported in: 5, 4

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1

Platforms

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.