If true, calls to Flush() will be ignored. This can be useful
if the AsyncStream is wrapped by another stream that flushes
its underlying stream automatically, since avoiding Flush()'s
improves performance. ForceFlush() may still be invoked to
flush the AsyncStream regardless of the IgnoreFlush property.
| Exception | Condition |
|---|---|
| ObjectDisposedException | The AsyncStream has already been closed |