/**
* Flushes this stream and returns the value of the error flag.
*
* @return {@code true} if either an {@code IOException} has been thrown
* previously or if {@code setError()} has been called;
* {@code false} otherwise.
* @see #setError()
*/
public override bool checkError()
{
OutputStream delegateJ = outJ;
if (delegateJ == null)
{
return(ioError);
}
flush();
return(ioError || delegateJ.checkError());
}
