http://bugs.winehq.org/show_bug.cgi?id=58163
--- Comment #1 from axis6404@proton.me --- Case XP-Pen Deco 01 v2 (and Unknown old pen tablet)
Linux (wine-10.6): When the pen is released: WT_PACKET's buttons 0x0 When you are drawing with the pen pressed against the board: WT_PACKET's buttons 0x2
Windows8.1: When the pen is released: WT_PACKET's buttons 0x0 When you are drawing with the pen pressed against the board: WT_PACKET's buttons 0x1