/// <summary>
 ///
 /// </summary>
 /// <param name="item"></param>
 public void Remove(DynamicRazorProjectItem item)
 {
     _dic.Remove(item.Key);
     _isComputed = false;
 }
 /// <summary>
 ///
 /// </summary>
 /// <param name="item"></param>
 public void Add(DynamicRazorProjectItem item)
 {
     _dic.Add(item.Key, item);
     _isComputed = false;
 }