tvlc = new TaskVirtualListComposite(parent, SWT.NO_FOCUS, labelProvider, 54);
tvlc.setLayoutData(EclipseUiUtils.fillAll());
final TableViewer viewer = tvlc.getTableViewer();
tvlc = new TaskVirtualListComposite(parent, SWT.NO_FOCUS, labelProvider, 54);
tvlc.setLayoutData(EclipseUiUtils.fillAll());
final TableViewer viewer = tvlc.getTableViewer();