FileStream.WriteAsync Method

Asynchronously writes a sequence of bytes to the current stream, advances the current position within this stream by the number of bytes written, and monitors cancellation requests.

Namespace: CMS.FileSystemStorage
Assembly: CMS.FileSystemStorage (in CMS.FileSystemStorage.dll) Version: 10.0.0

Syntax

public override Task WriteAsync(
	byte[] buffer,
	int offset,
	int count,
	CancellationToken cancellationToken
)

Parameters

buffer

Type: System.Byte[]
The buffer to write data from.

offset

Type: System.Int32
The zero-based byte offset in buffer from which to begin copying bytes to the stream.

count

Type: System.Int32
The maximum number of bytes to write.

cancellationToken

Type: System.Threading.CancellationToken
The token to monitor for cancellation requests. The default value is None.

Return Value

Type: Task
A task that represents the asynchronous write operation.

Exceptions

Exception	Condition
ArgumentNullException	buffer is null.
ArgumentOutOfRangeException	offset or count is negative.
ArgumentException	The sum of offset and count is larger than the buffer length.
NotSupportedException	The stream does not support writing.
ObjectDisposedException	The stream has been disposed.
InvalidOperationException	The stream is currently in use by a previous write operation.