Note: This problem appears to be only when exported to VST, works fine inside SM.
I am testing with FL Studio 10, which I see midi input(the midi in indicator in FL Studio) when I use aftertouch, however there is no response on my vst(or this example).
I made a little example that you can see yourself.
Aftertouch controls the filter and the LED should light up when it receives aftertouch data.
I am using a Novation ReMOTE 61SL.
Edit: This appears to work in FL's SM version... Kinda had to hack at it, by using PC keyboard to play notes, and my Novation to use the aftertouch... It wont let me use the same midi device inside FL.