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);
void __fastcall DecodeFromFile(const System::UnicodeString AFileName, const _di_TTMSFNCWXCustomBarcodeDecodeCallBackEvent ACallback = _di_TTMSFNCWXCustomBarcodeDecodeCallBackEvent());
Remarks
The file is converted to a base64 data stream and forwarded to DecodeFromBase64.
Parameters
| 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. |