code: public void displaySelection(final String selection) {
  		WComponent selectedComponent = UIRegistry.getInstance().getUI(selection);
  
  		if (selectedComponent == null) {
  			// Can't load selected component.
  			WMessages.getInstance(this).error(
  					"Unable to load example: " + selection + ", see log for details.");
  			return;
  		}
  
  		displaySelection(selectedComponent);
  	}
docs: Get the example picker to display the given selection.
  
  @param selection the class name of the wcomponent to be loaded and displayed.