c# additg items to current list

Hello,

I have folowing code:

        
        public static void HandleInfo()
        {
            List<Info> list = new List<Info>();

            try
            {
               
                switch (name)
                {
                
                    case "INFOS":
                        InfoList(list);
                        break;

                  
                }
           }
				
  public static List<Info> InfoList(List<Info> list)
        {

            list.Add(new Info() { ID = _ID });
            
            List<Info> SortedList = list.OrderBy(o => o.ID).ToList();

            var firstItem = SortedList.ElementAt(0);

            return SortedList;
        }

		
		
		
		public class Info
		{
		   
			public long UID { get; set; }            
			
		}
		

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Problem is my code is overriding list at every call to HandleInfo. So element count is always 1.

What i want is add items to list instead of creating new one each time function is called.

thank you