Additional Materials:

https://github.com/laobubu/SynapticsPen/blob/master/SDK/Include/SynCtrl.h

https://stackoverflow.com/questions/44574236/synaptic-touchpad-capturing-complex-gestures (if anyone helps)

https://stackoverflow.com/questions/16442480/synaptics-touchpad-signature

https://autohotkey.com/board/topic/65849-controlling-synaptics-touchpad-using-com-api/