private void OnProgressChanged(double current, double total)
{
AlbumProgressChangedEventArgs e = new AlbumProgressChangedEventArgs(current, total);
this.progresschanged(this, e);
}
private void Albums_progresschanged(object sender, AlbumProgressChangedEventArgs e)
{
((Window.Current.Content as Frame).Content as MainPage).UpdateProgress(e.CurrentPercent, e.TotalPercent);
}
