public override async Task <int> ReadAsync(byte[] buffer, int offset, int count, CancellationToken cancellationToken)
{
// Still have leftover data?
if (_currentData.Length > 0)
{
return(ReadInternalBuffer(buffer, offset, count));
}
cancellationToken.Register(() =>
{
_syncPoint.CancelWaitForSyncPoint(cancellationToken);
});
// Wait until data is provided by AddDataAndWait
await _syncPoint.WaitForSyncPoint();
return(ReadInternalBuffer(buffer, offset, count));
}