Used to determine if a particular device provided by HID Manager is a force feedback device.
- macOS 10.2+
Pointer to a HID device object to be tested for force feedback support.
If the method succeeds, and the device supports FF, the return value is FF_OK. If the method succeeds, and the device does not support FF, the return value is FFERR_NOINTERFACE. If the method fails, the return value is FFERR_INVALIDPARAM
When you are finished with the device, FFReleaseDevice must be called on the reference received in this function to dispose of the API device object.