{
EventViewerData* Event_Viewer_Data = GuiEvents(pmParentWindow) ;
- return Event_Viewer_Data->HBox_V ;
+ if(Event_Viewer_Data)
+ return Event_Viewer_Data->HBox_V ;
+ else return NULL;
}
Event_Viewer_Data->raw_trace_data = Event_Viewer_Data->raw_trace_data_first;
get_events(Event_Viewer_Data, start,end, RESERVE_SIZE);
Event_Viewer_Data->Number_Of_Events = Event_Viewer_Data->raw_trace_data->len;
+
+ if(Event_Viewer_Data->raw_trace_data->len == 0) return NULL;
time_period = g_new(TimePeriod, 1);
data = g_ptr_array_index(Event_Viewer_Data->raw_trace_data,0);