multiline property
      
      bool
      get
      multiline
      
    
    
Gets or sets a value indicating whether this PdfTextBoxField is multiline.
The default value is false.
Implementation
bool get multiline {
  if (_helper.isLoadedField) {
    _multiline =
        _helper.isFlagPresent(FieldFlags.multiline) ||
        _helper.flags.contains(FieldFlags.multiline);
  }
  return _multiline;
}
      
      set
      multiline
      (bool value) 
      
    
    
    
Implementation
set multiline(bool value) {
  if (multiline != value) {
    _multiline = value;
    if (_multiline) {
      _helper.flags.add(FieldFlags.multiline);
      _helper.format!.lineAlignment = PdfVerticalAlignment.top;
    } else {
      _helper.isLoadedField
          ? _helper.removeFlag(FieldFlags.multiline)
          : _helper.flags.remove(FieldFlags.multiline);
      _helper.format!.lineAlignment = PdfVerticalAlignment.middle;
    }
  }
}