public void Remove(ZFEATURE_STR value)
 {
     List.Remove(value);
 }
 public void Insert(int index, ZFEATURE_STR value)
 {
     List.Insert(index, value);
 }
 public int IndexOf(ZFEATURE_STR value)
 {
     return List.IndexOf(value);
 }
 public void CopyTo(ZFEATURE_STR[] array, int index)
 {
     List.CopyTo(array, index);
 }
 public bool Contains(ZFEATURE_STR value)
 {
     return List.Contains(value);
 }
 public int Add(ZFEATURE_STR value)
 {
     return List.Add(value);
 }