Items Property (PdfInteractiveFormRadioButtonGroupField)
Gets or sets a list of items to be presented to the user.
Each element of the list is either a text string representing one of the available options (PdfInteractiveFormChoiceFieldItem) OR an item consisting of two text strings: the option's export value and the text to be displayed as the name of the option (PdfInteractiveFormChoiceFieldExtendedItem).
Target Platforms: .NET9; .NET 8; .NET 7; .NET 6; .NET Framework 4.8, 4.7, 4.6, 4.5, 4.0, 3.5