Show the selection value by using ScrollBar : ScrollBar « SWT « Java Tutorial

Show the selection value by using ScrollBar
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.List;
import org.eclipse.swt.widgets.ScrollBar;
import org.eclipse.swt.widgets.Shell;

public class ScrollBarSelectionValue {
  public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setLayout(new FillLayout());

    // Create a List with a vertical ScrollBar
    List list = new List(shell, SWT.V_SCROLL);

    // Add a bunch of items to it
    for (int i = 0; i < 500; i++) {
      list.add("A list item");

    // Get the ScrollBar
    ScrollBar sb = list.getVerticalBar();
    // Show the selection value
    System.out.println("Selection: " + sb.getSelection());;
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch()) {

17.81.1.Introducing ScrollBar
17.81.2.Show the selection value by using ScrollBarShow the selection value by using ScrollBar
17.81.3.Add Selection Listener to ScrollBarAdd Selection Listener to ScrollBar