public void SetPrevChapterSeekIndex()
{
var count = SeekPositionIndex > 0 ? SeekPositionIndex - 1 : SeekPoints.Count - 1;
var ndx = SeekPoints.FindLastIndex(count, count, i => i.IsChapterPoint);
SeekPositionIndex = ndx >= 0 ? ndx : 0;
FirePropertyChanged("CurrentDisplayChapter");
}
public void SetNextChapterSeekIndex()
{
var ndx = SeekPoints.FindIndex(SeekPositionIndex + 1, i => i.IsChapterPoint);
SeekPositionIndex = ndx >= 0 ? ndx : 0;
FirePropertyChanged("CurrentDisplayChapter");
}
