/* Set the upper bound to the last event number */
event_viewer_data->previous_value = 0;
event_viewer_data->vadjust_c->lower = 0.0;
//event_viewer_data->vadjust_c->upper = event_viewer_data->number_of_events;
LttTime time = lttvwindow_get_current_time(tab);
time = ltt_time_sub(time, tsc->time_span.start_time);
/* Set the upper bound to the last event number */
event_viewer_data->previous_value = 0;
event_viewer_data->vadjust_c->lower = 0.0;
//event_viewer_data->vadjust_c->upper = event_viewer_data->number_of_events;
LttTime time = lttvwindow_get_current_time(tab);
time = ltt_time_sub(time, tsc->time_span.start_time);