PDF Document API - Obtain a Checked Appearance Name for Each Radio Button in the Radio Group

Note: Starting with 21.1, the PdfDocumentFacade class allows you to change the PDF document without access to its inner structure. Use the PdfDocumentFacade.AcroForm property to get interactive form field options. You can change form field and appearance properties.

This example shows how to get a checked appearance name for each radio button and check the corresponding radio button with the obtained value.
To accomplish this task, call the GetRadioGroupCheckedAppearanceNames method using a PdfDocumentProcessor instance and the field.

To obtain interactive form data, call the PdfDocumentProcessor.GetFormData method. To check the "Female" radio button, use the PdfFormData.Value property.

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