How to add vscroll for table item in j2me

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JavaSE

J2ME

Hi all,
I tried to create a project with table item. my table have three columns, but the third column can not display, because the width of mobile screen just enough to display two column.
So, i want to create a vscroll, so user can pull this to see third column.
I has searched in internet, but i can not found the way to create a vscroll, my table just show hscrool.
Thanks for any help!

My code here:
[CODE]

   //create table
   if (myTable == null) {
     myTable = new TableItem(getDisplay(), "mytable");
   myTable.setModel(getMyTableModel());
   }

    //create table model
     if (myTableModel == null) {
    myTableModel = new SimpleTableModel(new java.lang.String[][] {
        new java.lang.String[] { "", "", "" },
        new java.lang.String[] { "", "", "" },
        new java.lang.String[] { "", "", "" },
        new java.lang.String[] { "", "", "" },
        new java.lang.String[] { "", "", "" },
        new java.lang.String[] { "", "", "" },
     }, new java.lang.String[] { "col1", "col2", "" });
}

[/CODE]