Vincent Povirk <madewokh...@gmail.com> wrote: > I think it's most likely not keeping the input stream in the new image at all. > > It's probably also worth testing SelectActiveFrame, GetPropertyItem, > and GetImageRawFormat with clones of images. Maybe they don't work.
A quick test shows that SelectActiveFrame called on a clone of a multiframe gif image succeeds under nt4 and win2k, but fails under all later gdiplus implementations. Looks like a clone does not really clone anything. -- Dmitry.