SetReadOnly
Sets field read only
Inherited from ApiBaseField.SetReadOnly.
Example
Lock a form field to prevent editing in a PDF.
// How do I make a form field read-only in a PDF?
// Disable editing on a form field in a PDF.
let doc = Api.GetDocument();
let page = doc.GetPage(0);
let textField = Api.CreateTextField([10, 10, 160, 30]);
page.AddObject(textField);
textField.SetReadOnly(true);
textField.SetValue('Read only is: ' + textField.IsReadOnly());