xiGetNumberDevices

Function xiGetNumberDevices 

Source
pub unsafe extern "C" fn xiGetNumberDevices(
    pNumberDevices: PDWORD,
) -> XI_RETURN
Expand description

/ /** \brief Return number of discovered devices

Returns the pointer to the number of all discovered devices.

@param[out] pNumberDevices number of discovered devices @return XI_OK on success, error value otherwise.