Description

Gets the maximum text length.

Syntax

<void> Barcode.getUpperTextLength(<RequestNumberCallback> callback, [<ErrorCallback> errorCallback])

Parameters

Parameter	Description
callback	Receives the upper text length value.
errorCallback	Optional. Is called when the operation failed with an error.

Examples

The following example demonstrates Barcode.getUpperTextLength in a practical document-editing workflow. It gets the maximum text length.

function onTxError(error) {
    console.error("TX Text Control error:", error.msg);
    error.handled = true;
}

function inspectUpperTextLength(barcode) {
    barcode.getUpperTextLength(
        function(result) {
            console.log("get upper text length result:", result);
        },
        onTxError
    );
}