Is it possible? If I make a bitmap in the resource file, like this:

ID_MYBITMAP     BITMAP     "bitmap.bmp"

Is it then possible to convert it into an Allegro bitmap?

[edit]
Ah, just figured I could load it to a HBITMAP and then use convert_hbitmap_to_bitmap(). That would work, right?
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That's what I would suggest I don't recall ever doing it, but it should work ...

In my game mousetrap, that is exactly what I do. Just make sure that you delete all the necessary memory when done.