Sample.UnifiedMapViewModel.AddPolyline C# (CSharp) Method

        private void AddPolyline(object o)
        {
            if (_allPolylines.Last == null)
            {
                return;
            }

            var polyline = _allPolylines.Last.Value;
            _allPolylines.RemoveLast();

            Overlays.Add(polyline);

            _removePolylineCommand.ChangeCanExecute();
            _addPolylineCommand.ChangeCanExecute();
        }