These classes hold information from a Pt_CB_SELECTION callback, which is generated when an item is selected from a PtList or a PtComboBox list.
Also see Pt_CB_SELECTION in the PtList section of the Photon documentation.
A string indicating the selected item.
A number of bytes indicating the length of the selected item.
An integer indicating the position of the item in the list array.
An integer specifying the selection mode, which is discussed in detail at Pt_ARG_SELECTION_MODE in the PtGenList section of the Photon documentation.