How to Scan Barcode in .NET

// Scan and read all barcode types from Bitmap object.
public static BarcodeResult[] Scan(Bitmap bitmap);
// Decode and detect all barcode types from Stream object.
public static BarcodeResult[] Scan(Stream stream);
// Detect and read all barcode types from image file on the disk.
public static BarcodeResult[] Scan(string filename);

// Decode and read barcode from Bitmap. You can choose which type of barcode to recognize.
public static BarcodeResult[] Scan(Bitmap bitmap, BarCodeType barType);
// Decode and scan barcode from Stream. You can select which type of barcode to recognize.
public static BarcodeResult[] Scan(Stream stream, BarCodeType barType);
// Read and detect barcode from local image file. You can choose which type of barcode to recognize.
public static BarcodeResult[] Scan(string filename, BarCodeType barType);

// Read barcode from Bitmap object. It's suitable when there's only one barcode on image (more accurate).
public static BarcodeResult ScanSingle(Bitmap bitmap);
// Read barcode from Stream object. It's suitable when there's only one barcode on image (more accurate).
public static BarcodeResult ScanSingle(Stream stream);
// Read barcode from local image file. It's suitable when there's only one barcode on image (more accurate).
public static BarcodeResult ScanSingle(string filename);