Value 0: when signaled, this indicates that the user-process should use [[#QueryAvailableInterfaces]] and [[#AcquireUsbIf]] with the output interfaces (and the rest of interface setup). | Value 0: when signaled, this indicates that the user-process should use [[#QueryAvailableInterfaces]] and [[#AcquireUsbIf]] with the output interfaces (and the rest of interface setup). |