PdfAcroFormChoiceField.AddWidget Method

Name	Parameters	Description
AddWidget(PdfRectangle)	rectangle	Adds a widget annotation related to the choice form field (combo box or list box). The widget is added to the page where the form field is located.
AddWidget(Int32, PdfRectangle)	pageNumber, rectangle	Adds a widget annotation related to the choice form field (combo box or list box). Allows you to specify a page to which the widget should be added.