MultiEditor.MultiEditorComponentList.AddToUndoList C# (CSharp) Method

        private void AddToUndoList(string Action)
        {
            for (int i = UndoListMaxSize - 2; i >= 0; --i)
            {
                UndoList[i + 1] = UndoList[i];
            }
            UndoList[0].Action = Action;
            UndoList[0].Tiles = new List<MultiTile>();
            UndoList[0].Width = Width;
            UndoList[0].Height = Height;
            foreach (MultiTile tile in Tiles)
            {
                if (tile.isVirtualFloor)
                    UndoList[0].Tiles.Add(new FloorTile(tile.X, tile.Y, tile.Y));
                else
                    UndoList[0].Tiles.Add(new MultiTile(tile.ID, tile.X, tile.Y, tile.Z, tile.Invisible));
            }
        }