3.1.5.2.1 One-Way Events

If this event occurs while the client is in the Accepting Requests state, the client moves into the Sending Request state and sends the request to the server. Otherwise, the event is queued until the client returns to the Accepting Requests state. (See figure in section 3.1.)

When the event has been sent to the server, the client returns to the Accepting Requests state. The return value is from the server is S_OK (0x00000000), or an appropriate error code from the set of DSLR error codes defined in section 2.2.2.5.