public static async Task CopyToAsync(
this IStorageRecord record,
Stream destination,
int?bufferSize = null,
IProgress progress = null,
CancellationToken cancellationToken = default(CancellationToken))
{
if (record.GetStorageProvider().Features.TryGetFeature(out IRecordCopyFeature implementation))
{
await implementation.CopyToAsync(record, destination, bufferSize, progress, cancellationToken);
}
else
{
using (var buffer = await record.CreateReadableStreamAsync(cancellationToken))
{
await buffer.CopyToAsync(destination, bufferSize ?? 8192, progress, cancellationToken);
await destination.FlushAsync();
}
}
}
