class TestTreeView
	: public Wt::WApplication
{
public:
	TestTreeView( const Wt::WEnvironment& env )
		: Wt::WApplication( env )
	{
		Wt::WTreeView* treeView = new Wt::WTreeView( root() );
		treeView->resize( 500, 500 );

		Wt::WStandardItemModel* model = new Wt::WStandardItemModel( 0, 1 );
		model->setHeaderData( 0, Wt::Horizontal, std::string( "xxxxxxx" ) );

		for( auto i = 0; i < 500; i++ )
			model->appendRow( { new Wt::WStandardItem( std::to_string( i ) ) } );

		treeView->setModel( model );
		treeView->setSelectionMode( Wt::SelectionMode::SingleSelection );
		treeView->doubleClicked().connect( []( ... ) { Wt::WMessageBox::show( "Popup", "Popup", Wt::Ok ); } );
	}
};