Icon oldDisabledIcon = this.disabledIcon; this.disabledIcon = disabledIcon; firePropertyChange(DISABLED_ICON_CHANGED_PROPERTY, oldDisabledIcon, this.disabledIcon);
Icon oldIcon = disabledIcon; disabledIcon = newIcon; firePropertyChange(DISABLED_ICON_CHANGED_PROPERTY, oldIcon, newIcon);
  public void setDisabledIcon(Icon disabledIcon)  {    if (disabledIcon != this.disabledIcon)      {	Icon oldDisabledIcon = this.disabledIcon;	this.disabledIcon = disabledIcon;	firePropertyChange(DISABLED_ICON_CHANGED_PROPERTY, oldDisabledIcon,	                   this.disabledIcon);      }  }