public PdfFormField AddCheckBox(string name, string value, bool status, float llx, float lly, float urx, float ury)
{
PdfFormField field = PdfFormField.CreateCheckBox(writer);
SetCheckBoxParams(field, name, value, status, llx, lly, urx, ury);
DrawCheckBoxAppearences(field, value, llx, lly, urx, ury);
AddFormField(field);
return(field);
}