CompressionStream.CopyToAsync(Stream, Int32, CancellationToken) Method
Definition
Important
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Asynchronously reads the bytes from the current stream and writes them to another stream.
public override System.Threading.Tasks.Task CopyToAsync(System.IO.Stream destination, int bufferSize, System.Threading.CancellationToken cancellationToken);override this.CopyToAsync : System.IO.Stream * int * System.Threading.CancellationToken -> System.Threading.Tasks.TaskParameters
- destination
- Stream
The stream to which the contents of the current stream will be copied.
- bufferSize
- Int32
The size, in bytes, of the buffer. This value must be greater than zero. The default size is 81920.
- cancellationToken
- CancellationToken
The token to monitor for cancellation requests.
Returns
A task that represents the asynchronous copy operation.
Exceptions
destination is null.
buffersize is negative or zero.
Either the current stream or the destination stream is disposed.
The current stream does not support reading, or the destination stream does not support writing.