如何展开指定的TreeViewer节点,急！！！！！！

Question

如题！

Answer 1

import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Tree;
import org.eclipse.swt.widgets.TreeItem;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Rectangle;public class Tree_yyc {    private Shell sShell = null;
    private Tree tree = null;    /**
     * This method initializes sShell
     */
    private void createSShell() {
        sShell = new Shell();
        sShell.setText("Shell");
        sShell.setSize(new Point(300, 200));
        sShell.setLayout(null);
        tree = new Tree(sShell, SWT.NONE);
        tree.setBounds(new Rectangle(2, 3, 81, 165));
        for(int loopIndex1 = 2000; loopIndex1 <= 2008; loopIndex1++) {            TreeItem item0 = new TreeItem(tree, 0);            item0.setText("Year " + loopIndex1);            for(int loopIndex2 = 1; loopIndex2 <= 12; loopIndex2++) {            TreeItem item1 = new TreeItem(item0, 0);            item1.setText("Month " + loopIndex2);
            }            }
    }
}