The "how to" that I wrote is specifically for the standalones, it does NOT work with the SDK which is, as far as I am aware, compiled with Visual studio (or something). Anyway long story short it is incompatible with QWT you need to work with the stand alones if you are using the "how to" I wrote.

I did try and make it clear what I used, so if it was unclear then please let me know and I will make the necessary edits.

Cheers