public CoreGroup(ref CoreDll.adGroup group, CoreLib core) { id = group.id.ToInt32(); images = core.GetImageInfo(id, 0, (uint)group.size); for (int i = 0; i < images.Length; ++i) { sizeMax.Width = Math.Max(sizeMax.Width, (int)images[i].width); sizeMax.Height = Math.Max(sizeMax.Height, (int)images[i].height); } }