scroll pane in jpanel help

[supriya riya]

hi i am not able to view scroll panel when i add more data to panel,scroll pane dose not show
i even tried this

 JScrollPane panel_scroll1 = new JScrollPane(Ipanel, JScrollPane.VERTICAL_SCROLLBAR_ALWAYS, JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS);

but still the scroll pane is inactive after data in panel exceeds the given size it just does not scroll!!



my code for scroll panel is below.

  JPanel Tree_panel= new JPanel();
   JPanel Ipanel= new JPanel();
    JPanel Vpanel= new JPanel();
  JScrollPane jScrollPane1 = new JScrollPane();
  JScrollPane panel_scroll1 = new JScrollPane(Ipanel, JScrollPane.VERTICAL_SCROLLBAR_ALWAYS, JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS);
   JScrollPane Image_scroll = new JScrollPane();
   public static final ImageIcon ICON_COMPUTER = 
    new ImageIcon("src/images/StarTool.gif");
  public static final ImageIcon ICON_DISK = new ImageIcon("disk.gif");
  public static final ImageIcon ICON_FOLDER = new ImageIcon("src/images/StarTool.gif");
  public static final ImageIcon ICON_EXPANDEDFOLDER =  new ImageIcon("expandedfolder.gif");
  ImageIcon click_image=new ImageIcon();
  //click.p
    /** Creates a new instance of Imagef */
    public Imagef() {
        Ipanel.setBorder(javax.swing.BorderFactory.createLineBorder(new java.awt.Color(0, 0, 0)));
        
        Ipanel.setPreferredSize(new Dimension(50,50));
        panel_scroll1.setViewportView(Ipanel);
        this.add(panel_scroll1,BorderLayout.CENTER);
        
         Vpanel.setBorder(javax.swing.BorderFactory.createLineBorder(new java.awt.Color(0, 0, 0)));
        
        Vpanel.setPreferredSize(new Dimension(200,200));
        Image_scroll.setViewportView(Vpanel);
        this.add(Image_scroll,BorderLayout.EAST);
         DefaultMutableTreeNode top= new DefaultMutableTreeNode();

[pete stein]

Perhaps someone else can help you, but I myself can't tell what is wrong based on the information presented. The only thing suspicious that I see is that you're setting the preferred size of one of the JPanels that you display within a JScrollPane, and if so, the panel likely won't change size even if new components are added to it.

Regardless, if you don't get a decent answer soon, please check out these links:

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