Bug 153943 [Viewers] Rename new API, e.g. RowPart -> ViewerRow
bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/TableViewer.java
* (non-Javadoc)
	 * 
	 * @see org.eclipse.jface.viewers.Viewer#getControl()
	 */
	public Control getControl() {
		return table;
	}
	/**
	 * Returns the element with the given index from this table viewer. Returns
	 * <code>null</code> if the index is out of range.
	 * <p>
	 * This method is internal to the framework.
	 * </p>
	 * 
	 * @param index
	 *            the zero-based index
	 * @return the element at the given index, or <code>null</code> if the
	 *         index is out of range
	 */
	public Object getElementAt(int index) {
		if (index >= 0 && index < table.getItemCount()) {
			TableItem i = table.getItem(index);
			if (i != null) {
				return i.getData();
			}
		}
		return null;
	}
	/**
	 * The table viewer implementation of this <code>Viewer</code> framework