Getting text from Form field

Hi,

I'm developing a Plugin for Adobe Reader, where we (form a stand alone program) can read the selected text range aloud. The words are highlighted during read.

The plugin can read now read and highlight selected body text.

I want to extend the plugin so it would be able to read and highlight text in form fields. (where user can enter data).

If I select text in a form field AVDocGetSelectionType return "AcroTextEditSelection". I cant' find any information about this selection type.

Does anyone know how to get and highlight text in form fields?

Thanks in advance.

Carsten