public static async Task CopyToObserveOnProgressAsync(this Stream stream, Stream destination, int bufferSize,
IObserver <long> progressChangedWatcher, int step)
{
if (stream == null)
{
throw new ArgumentNullException(nameof(stream));
}
if (destination == null)
{
throw new ArgumentNullException(nameof(destination));
}
if (bufferSize <= 0)
{
throw new ArgumentOutOfRangeException($"{nameof(bufferSize)} must >= 0.");
}
if (progressChangedWatcher == null)
{
throw new ArgumentNullException(nameof(progressChangedWatcher));
}
if (step <= 0)
{
throw new ArgumentOutOfRangeException($"{nameof(step)} must > 0.");
}
var copyer = new StreamCopyProgressObserver(stream, destination, bufferSize, progressChangedWatcher, step);
await copyer.StartAsync();
}
public static async Task CopyToObserveOnProgressAsync(this Stream stream, Stream destination, int bufferSize,
IObserver<long> progressChangedWatcher, int step)
{
if (stream == null) throw new ArgumentNullException(nameof(stream));
if (destination == null) throw new ArgumentNullException(nameof(destination));
if (bufferSize <= 0) throw new ArgumentOutOfRangeException($"{nameof(bufferSize)} must >= 0.");
if (progressChangedWatcher == null) throw new ArgumentNullException(nameof(progressChangedWatcher));
if (step <= 0) throw new ArgumentOutOfRangeException($"{nameof(step)} must > 0.");
var copyer = new StreamCopyProgressObserver(stream, destination, bufferSize, progressChangedWatcher, step);
await copyer.StartAsync();
}
