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[nebula-dev] event.index always 0 in handleEvent for SWT.VIRTUAL mode. BUG?

The event.index seems to always be 0. Is this the intended behavior and if so how should I do instead?
Se snippet.
--
// Jonathan

import org.eclipse.nebula.widgets.grid.Grid;
import org.eclipse.nebula.widgets.grid.GridColumn ;
import org.eclipse.nebula.widgets.grid.GridItem;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Shell;

public class VirtualGridWidget {
    public static void main(String... args) {
        Display display = new Display();
        Shell shell = new Shell(display);
        shell.setLayout(new FillLayout());
                     
        Grid grid = new Grid( shell, SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL | SWT.VIRTUAL | SWT.MULTI );
       
        grid.setCellSelectionEnabled (true);
       
        grid.setItemHeight(20);
        grid.setItemCount(10);
        for (int i = 0; i < 10; i++) {
           
            GridColumn column = new GridColumn(grid, SWT.NONE);
            column.setText(i + "");
            column.setWidth(40);
        }
       
        grid.addListener( SWT.SetData, new Listener() {
            public void handleEvent(Event event) {

                GridItem item = (GridItem)event.item;
                item.setHeaderText( (char)('A' + event.index) + "" );   //    <========== HERE
               
                for (int i = 0; i < 10; i++) {
                    item.setText (i, i + "");
                }
            }
        } );
       
        grid.setHeaderVisible(true);
        grid.setRowHeaderVisible(true);
       
        shell.setSize(500, 200);
        shell.open();
        while (!shell.isDisposed()) {
            if (!display.readAndDispatch())
                display.sleep();
        }
        display.dispose();
    }
}


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