Thank you for the lightspeed response!
Now I have some good hints where to search.
Yes, my laptop still runs W98. Unfortunately customers use W98/NT4/W2K
/XP so I would like to support all that platforms.
Do I understand it correctly that there is a problem with the maximal size
of memory streams for the metafile? Would it be possible to use a disk based file instead?
The application has to do with marking of boxes. There are big (background) bitmaps containing mostly whitespace, but some drawing
objects like barcodes, logos etc. For reason of WYSIWYG downsampling would be suboptimal, as thin lines and fine parts of the logos might