AcroFormCheckBox = function AcroFormCheckBox() {
  AcroFormButton.call(this);
  this.fontName = "zapfdingbats";
  this.caption = "3";
  this.appearanceState = "On";
  this.value = "On";
  this.textAlign = "center";
  this.appearanceStreamContent = AcroFormAppearance.CheckBox.createAppearanceStream();
}
@class AcroFormCheckBox
@extends AcroFormButton
@extends AcroFormField