protected final void showDesignerCard() {
    myErrorMessages.removeAll();
    myErrorStack.setText(null);
    myLayeredPane.revalidate();

    if (myHorizontalCaption != null) {
      myHorizontalCaption.update();
    }
    if (myVerticalCaption != null) {
      myVerticalCaption.update();
    }

    myLayout.show(myPanel, DESIGNER_CARD);
  }
protected final void showDesignerCard()