rem: return _control_input_server_(&command, &reply) == B_OK;
add: return _control_input_server_(&command, &reply);
context: set_click_speed(bigtime_t speed){	BMessage command(IS_SET_CLICK_SPEED);	BMessage reply;	command.AddInt64("speed", speed);	return _control_input_server_(&command, &reply) == B_OK;}