/// <summary>
/// Notify subscribers that progress has changed.
/// </summary>
/// <param name="current">
/// The current progress value.
/// </param>
/// <param name="total">
/// The total value against which progress is measured.
/// </param>
/// <param name="percentComplete">
/// The percentage of completion.
/// </param>
protected void NotifyProgressChanged(TValue current, TValue total, int percentComplete)
{
_progressDataSubject.OnNext(ProgressData.Create(
percentComplete, current, total
));
}
