TTMSFNCWXCustomBarcodeDecoderBase.DecodeFromFile Method

Reads an image from disk and decodes the barcode it contains.

API unit family: TMSFNCWXBarcodeDecoder Declaring type: TTMSFNCWXCustomBarcodeDecoderBase

Syntax

procedure DecodeFromFile(const AFileName: string; const ACallback: TTMSFNCWXCustomBarcodeDecodeCallBackEvent = nil);

The file is converted to a base64 data stream and forwarded to DecodeFromBase64.

Name	Description
`AFileName`	Full path to the image file to decode. The call is ignored when the path is empty or the file does not exist.
`ACallback`	Optional callback invoked with the decode result; pass `nil` to rely on the `OnDecoded` event instead.