@SeanW,
After chatting with a developer, it sounds like TDF only provides 32bit builds of the code, which would include the DLL. This might be an issue where you need a 32bit JRE to handle the 32bit DLLs, although I don’t know enough about the particulars to tell you for sure.
The fastest solution would be to run a 32bit VM so that LO can run in a native 32bit environment.
It may certainly be possible for you to recompile the DLL and then have the example code work on the 64bit Windows platform. The devs tell me that “recompiling LibO for 64 bit is not possible for someone without deep knowledge as it requires some low level work in the uno bridge,” so that sounds pretty tricky. If you have are interested in trying that process, please check with the devs.
I also found this bug:
Looks like there’s a flag in the compile process to enable the creation of 64bit DLLs. This might be totally irrelevant to your problem, but it sounds like it could be pertinent.
Good luck!