public SampleTileProvider() { AddTile(new TileIndex(0, 0, "0")); AddTile(new TileIndex(0, 0, "1")); AddTile(new TileIndex(0, 1, "1")); AddTile(new TileIndex(1, 0, "1")); AddTile(new TileIndex(1, 1, "1")); }