public void Delete()
{
if (currentSelectedObjects.Length > 0)
{
actionHistory.Insert(new ActionHistory.Delete(currentSelectedObjects));
foreach (SongObject songObject in currentSelectedObjects)
{
songObject.Delete(false);
}
currentChart.UpdateCache();
currentSong.UpdateCache();
actionHistory.Insert(FixUpBPMAnchors().ToArray());
currentSelectedObject = null;
groupSelect.reset();
}
}