public bool Contains(Material material ) { return this.InnerList.Contains(material); }
public void Remove(Material material ) { this.InnerList.Remove(m); }
public int Add(Material material) { return this.InnerList.Add(material); }
public void Insert(int index, Material material ) { this.Insert(index, material); }
public int IndexOf(Material material ) { return this.InnerList.IndexOf(material); }