isChecked property
      
      bool
      get
      isChecked
      
    
    
Gets or sets the checked state of the PdfCheckboxFormField.
Implementation
bool get isChecked => _isChecked;
      
      set
      isChecked
      (bool value) 
      
    
    
    
Implementation
set isChecked(bool value) {
  if (readOnly) {
    return;
  }
  (PdfFormFieldHelper.getHelper(this) as PdfCheckboxFormFieldHelper)
      .invokeValueChanged(value);
}