public void InitSelectingTag()
        {
            var tagIdList = new List <int>();

            foreach (var selectedTag in _selectingTags)
            {
                tagIdList.Add(selectedTag.Id);
            }
            _selectingTags.Clear();

            foreach (var selectId in tagIdList)
            {
                SelectingTags.Add(_treeViewModel.Manager.TagDictionary[selectId]);
            }
        }
        public void AddSelection()
        {
            var selectedTag = _treeViewModel.GetSelectingTag();

            if (selectedTag == null)
            {
                return;
            }

            if (selectedTag.IsBase())
            {
                return;
            }

            if (_selectingTags.Contains(selectedTag))
            {
                return;
            }

            SelectingTags.Add(selectedTag);

            OnSelectingButtonChanged();
        }