private Int32 GetOccurences(ListBox List, String Name)
 {
     return List.GetEnumerable<Object>().Where(x => x.ToString() == Name).Count();
 }
 private Boolean ContainsSameName(ListBox List, String Name)
 {
     return List.GetEnumerable<Object>().Where(x => x.ToString() == Name).Count() > 0;
 }