*  description: The disabled selection icon for the button.
     */
    public void setDisabledSelectedIcon(Icon disabledSelectedIcon) {
        Icon oldValue = this.disabledSelectedIcon;
        this.disabledSelectedIcon = disabledSelectedIcon;
        firePropertyChange(DISABLED_SELECTED_ICON_CHANGED_PROPERTY, oldValue, disabledSelectedIcon);
        if (accessibleContext != null) {
            accessibleContext.firePropertyChange(
                AccessibleContext.ACCESSIBLE_VISIBLE_DATA_PROPERTY,
                oldValue, disabledSelectedIcon);
        }
        if (disabledSelectedIcon != oldValue) {
            if (disabledSelectedIcon == null || oldValue == null ||
                disabledSelectedIcon.getIconWidth() != oldValue.getIconWidth() ||
                disabledSelectedIcon.getIconHeight() != oldValue.getIconHeight()) {
                revalidate();
            } 
            if (!isEnabled() && isSelected()) {
                repaint();
            }
        }
    }

    /**
     * Returns the vertical alignment of the text and icon.
     *
     * @return the <code>verticalAlignment</code> property, one of the
     *		following values: 
     * <ul>
     * <li>{@code SwingConstants.CENTER} (the default)
     * <li>{@code SwingConstants.TOP}
     * <li>{@code SwingConstants.BOTTOM}
     * </ul>
     */
    public int getVerticalAlignment() {
        return verticalAlignment;
    }
    
    /**
     * Sets the vertical alignment of the icon and text.
     * @param alignment one of the following values:
     * <ul>
     * <li>{@code SwingConstants.CENTER} (the default)
     * <li>{@code SwingConstants.TOP}
     * <li>{@code SwingConstants.BOTTOM}
     * </ul>
     * @throws IllegalArgumentException if the alignment is not one of the legal
     *         values listed above
     * @beaninfo
     *        bound: true
     *         enum: TOP    SwingConstants.TOP
     *               CENTER SwingConstants.CENTER
     *               BOTTOM  SwingConstants.BOTTOM
     *    attribute: visualUpdate true
     *  description: The vertical alignment of the icon and text.
     */
    public void setVerticalAlignment(int alignment) {
        if (alignment == verticalAlignment) return;
        int oldValue = verticalAlignment;
        verticalAlignment = checkVerticalKey(alignment, "verticalAlignment");
        firePropertyChange(VERTICAL_ALIGNMENT_CHANGED_PROPERTY, oldValue, verticalAlignment);         repaint();

    }
    
    /**
     * Returns the horizontal alignment of the icon and text.
     * {@code AbstractButton}'s default is {@code SwingConstants.CENTER},
     * but subclasses such as {@code JCheckBox} may use a different default.
     *
     * @return the <code>horizontalAlignment</code> property,
     *             one of the following values:
     * <ul>
     *   <li>{@code SwingConstants.RIGHT}
     *   <li>{@code SwingConstants.LEFT}
     *   <li>{@code SwingConstants.CENTER}
     *   <li>{@code SwingConstants.LEADING}
     *   <li>{@code SwingConstants.TRAILING}
     * </ul>
     */
    public int getHorizontalAlignment() {
        return horizontalAlignment;
    }
    
    /**
     * Sets the horizontal alignment of the icon and text.
     * {@code AbstractButton}'s default is {@code SwingConstants.CENTER},
     * but subclasses such as {@code JCheckBox} may use a different default.
     *
     * @param alignment the alignment value, one of the following values:
     * <ul>
     *   <li>{@code SwingConstants.RIGHT}
     *   <li>{@code SwingConstants.LEFT}
     *   <li>{@code SwingConstants.CENTER}
     *   <li>{@code SwingConstants.LEADING}
     *   <li>{@code SwingConstants.TRAILING}
     * </ul>
     * @throws IllegalArgumentException if the alignment is not one of the
     *         valid values
     * @beaninfo
     *        bound: true
     *         enum: LEFT     SwingConstants.LEFT