That´s the reason why nothing is displayed. 1.1.0 ALPHA uses Bass.Net.dll version 2.4.4.3.
When will you provide a version working under 1.1.0 ALPHA?
Well, you could try the dll from MP1.0.2 (bass v2.4.3.1) and test it with that version as a workaround.
Let me know if it works!