Now I got my controller.ini working with Nintendont. (for Dragon PC Multi Double PowerBox 3 [PlayStation 2 Adapter])
*** Added DigitalLR=1
[PS2 - Dragon PC Multi Double PowerBox 3]
VID=0E8F
PID=3013
Polltype=1
DPAD=1
DigitalLR=1
MultiIn=1
MultiInValue=01
Power=6,10
A=5,20
B=5,40
X=5,10...