public void GifAnimAdd(Stream sout, int localCm, int leftOfs, int topOfs, int delay, Disposal disposal, GD previm)
{
int size;
IntPtr prevhandle = previm == null ? IntPtr.Zero : previm.handle.Handle;
using (GDIntPtr rawdata = GDImport.gdImageGifAnimAddPtr(this.Handle, out size, localCm, leftOfs, topOfs, delay, (int)disposal, prevhandle))
{
if (rawdata.IsNull)
{
throw new ApplicationException("Function GifAnimAdd failed");
}
byte[] data = new byte[size];
Marshal.Copy(rawdata, data, 0, size);
sout.Write(data, 0, size);
}
}