看到的一道题，用递归获取XML元素....

static void Main(string[] args)        {            string xmlContent = @"
                                          
                                             
                                                
                                               
                                              
                                              
                                            
                                           
                                             
                                                
                                               
                                              
                                              
                                            
                                         
     ";            var parentElement = XElement.Parse(xmlContent);                        var elements = FindElements(parentElement.Elements(), "File");          }        public static IList
     
       FindElements(IEnumerable
      
        elements, string elementName)        {             if(elements==null||elements.Count()==0                ||string.IsNullOrWhiteSpace(elementName))            {                return new List
       
        ();            }            var selectedElements = new List
        
         ();            foreach (var element in elements)            {                if (element.HasElements)                {                    selectedElements.AddRange(FindElements(element.Elements(), elementName));                }                else                {                    if (string.Equals(element.Name.LocalName, elementName))                    {                        selectedElements.Add(element);                    }                }            }            return selectedElements;        }