using IronBarCode;

PdfBarcodeReaderOptions myPdfOptionsExample = new PdfBarcodeReaderOptions() {
	
	// The password string to open the PDF if there is one.
	Password = "password123",

	// Pages of the PDF you want to scan
	PageNumbers = new[] {1, 3},

	// By default, all barcode formats are scanned for.
	// Specifying one or more, performance will increase.
	ExpectBarcodeTypes = BarcodeEncoding.AllOneDimensional,

	// The DPI (Dots per inch) to render each Barcode image.
	DPI = 72,

	// The scaling factor to scale the Width and Height when converting the PDF to Image.
	// Default is 3.5
	Scale = 4
};

// And, apply:
var results = BarcodeReader.ReadPdf("barcode.pdf", myPdfOptionsExample);

Imports IronBarCode

Private myPdfOptionsExample As New PdfBarcodeReaderOptions() With {
	.Password = "password123",
	.PageNumbers = {1, 3},
	.ExpectBarcodeTypes = BarcodeEncoding.AllOneDimensional,
	.DPI = 72,
	.Scale = 4
}

' And, apply:
Private results = BarcodeReader.ReadPdf("barcode.pdf", myPdfOptionsExample)