public boolean isDualListingShowing() {
		ListingCodeComparisonPanel dualListingPanel = functionComparisonPanel.getDualListingPanel();
		if (dualListingPanel == null) {
			return false;
		}
		return dualListingPanel.isShowing();
	}
Determines whether or not the dual listing is currently being shown to the user.
@return true if the dual listing is showing
Ghidra/Features/VersionTracking/src/main/java/ghidra/feature/vt/gui/provider/markuptable/VTMarkupItemsTableProvider.java