PtListCallback

Gamma/Photon: Using Gamma™ with the Photon microGUIŽ, Version 4.0
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# `PtListCallback`

`PtListCallback` -- item selection callback information.

## Synopsis

    class PtListCallback
    {
        item;        // string
        item_len;    // integer
        item_pos;    // integer
        mode;        // unsigned integer
    }

## Description

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.

## Instance Variables

item

  A string indicating the selected item.

item_len

  A number of bytes indicating the length of the selected item.

item_pos

  An integer indicating the position of the item in the list array.

mode

  An integer specifying the selection mode, which is discussed in detail at Pt_ARG_SELECTION_MODE in the PtGenList section of the Photon documentation.

## Associated Classes

`PtList`, `PtListInput`, `PtComboBox`, `PtCallbackInfo`

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