SWT在任务栏上显示

package crtjunit;

import java.io.InputStream;

import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.MenuItem;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Tray;
import org.eclipse.swt.widgets.TrayItem;

import com.jia.dialog.SelectFileDlg;

public class MainClass {

    public static void main(String[] args) {
        InputStream path=MainClass.class.getResourceAsStream("logo.gif");

        Display display = new Display();
        final Shell shell = new Shell(display);

        Image image = new Image(display, path);

        Tray tray = display.getSystemTray();
        if (tray != null) {
            final TrayItem item = new TrayItem(tray, SWT.NONE);
            item.setToolTipText("TEST");
            item.addListener(SWT.Show, new Listener() {
                public void handleEvent(Event event) {
                }
            });

            item.addListener(SWT.Hide, new Listener() {
                public void handleEvent(Event event) {
                }
            });

            item.addListener(SWT.Selection, new Listener() {
                public void handleEvent(Event event) {
                }
            });

            final Menu menu = new Menu(shell, SWT.POP_UP);
            MenuItem mi = new MenuItem(menu, SWT.PUSH);
            mi.setText("close");
            mi.addListener(SWT.Selection, new Listener() {
                public void handleEvent(Event event) {
                    shell.close();
                }
            });

            item.addListener(SWT.MenuDetect, new Listener() {
                public void handleEvent(Event event) {
                    menu.setVisible(true);
                }
            });

            item.setImage(image);
        }

        SelectFileDlg test = new SelectFileDlg(shell);
        test.setBlockOnOpen(true);
        test.open();
    }
}