code: protected void prepareDialogPage(DialogPage page) {
  		page.addPropertyChangeListener(childChangeHandler);
  		JComponent c = page.getControl();
  		GuiStandardUtils.attachDialogBorder(c);
  		Dimension size = c.getPreferredSize();
  		if (size.width > largestPageWidth) {
  			largestPageWidth = size.width;
  		}
  		if (size.height > largestPageHeight) {
  			largestPageHeight = size.height;
  		}
  	}
docs: Prepare a dialog page - Add our property listeners and configure the
  control's look.
  @param page to process