gtk_tree_view_get_cursor(GTK_TREE_VIEW(event_viewer_data->tree_v), &path, NULL);
if(gtk_tree_model_get_iter(model,&iter,path)){
gtk_tree_model_get(model, &iter, TIME_COLUMN, &time, -1);
gtk_tree_view_get_cursor(GTK_TREE_VIEW(event_viewer_data->tree_v), &path, NULL);
if(gtk_tree_model_get_iter(model,&iter,path)){
gtk_tree_model_get(model, &iter, TIME_COLUMN, &time, -1);