public void renderGridToFile(IndigoObject items, int[] refatoms, int ncolumns, string filename) { if (refatoms != null) { if (refatoms.Length != items.count()) { throw new IndigoException("renderGridToFile(): refatoms[] size must be equal to the number of objects"); } } _indigo.checkResult(_renderer_lib.indigoRenderGridToFile(items.self, refatoms, ncolumns, filename)); }