Ricoh Theta X and Z1 provide USB APIs.
The USB API conforms to Media Transfer Protocol v1.1 (MTP) with Ricoh Theta extensions.
Camera and shooting properties which can be acquired by the operation GetDevicePropValue and set by the operation SetDevicePropValue.
Use DevicePropChanged event to inform of change of device properties. However, change of a property set by the operation SetDevicePropValue is not informed.