// Call this before making any change to track.
public static void PrepareForChange()
{
Dirty = true;
undoStack.Push(track.Clone() as Track);
redoStack.Clear();
UndoRedoStackUpdated?.Invoke();
}
public static void Redo()
{
if (redoStack.Empty())
{
return;
}
undoStack.Push(track.Clone() as Track);
track = redoStack.Pop();
Dirty = true;
DirtynessUpdated?.Invoke(Dirty);
UndoneOrRedone?.Invoke();
UndoRedoStackUpdated?.Invoke();
}