public override int EndRead(IAsyncResult asyncResult)
{
if (asyncResult == null)
{
throw new ArgumentNullException("asyncResult");
}
AsyncResult asyncResult2 = asyncResult as AsyncResult;
if (asyncResult2 == null)
{
throw new ArgumentException("Invalid asyncResult", "asyncResult");
}
FtpDataStream.ReadDelegate readDelegate = asyncResult2.AsyncDelegate as FtpDataStream.ReadDelegate;
if (readDelegate == null)
{
throw new ArgumentException("Invalid asyncResult", "asyncResult");
}
return(readDelegate.EndInvoke(asyncResult));
}
public override IAsyncResult BeginRead(byte[] buffer, int offset, int size, AsyncCallback cb, object state)
{
this.CheckDisposed();
if (!this.isRead)
{
throw new NotSupportedException();
}
if (buffer == null)
{
throw new ArgumentNullException("buffer");
}
if (offset < 0 || offset > buffer.Length)
{
throw new ArgumentOutOfRangeException("offset");
}
if (size < 0 || size > buffer.Length - offset)
{
throw new ArgumentOutOfRangeException("offset+size");
}
FtpDataStream.ReadDelegate readDelegate = new FtpDataStream.ReadDelegate(this.ReadInternal);
return(readDelegate.BeginInvoke(buffer, offset, size, cb, state));
}
