Program.cs
using System; using System.IO; using System.Text; using System.Windows.Forms; using Bytescout.BarCodeReader; // This example demonstrates camera image acquiring using Windows Image Acquisition (WIA) interface. // BarCode Reader SDK has builtin WIAImageScanner class for WIA. // If you experienced issues with this example, please try another example located in /Visual Basic.NET/Read From Live Video Cam/ namespace BarcodeFromWebCam { static class Program { static void Main() { // Use WIAImageScanner image acquisition module WIAImageScanner wiaScanner = new WIAImageScanner(); wiaScanner.OutputFileNameTemplate = "BarCodeReader-scanned"; wiaScanner.OutputImageFormat = WiaImageFormatType.PNG; wiaScanner.ImageQuality = WiaImageBias.MaximizeQuality; wiaScanner.ImageIntent = WiaImageIntent.UnspecifiedIntent; wiaScanner.ShowDeviceSelectionDialog = true; try { // Run Acquire and exit if canceled or zero images if (!wiaScanner.Acquire()) return; } catch (Exception e) { string message = e.Message; if (e.InnerException != null) message = message + "\r\n\r\n" + e.InnerException.Message; MessageBox.Show("Failed acquiring images:\r\n\r\n" + message); return; } // Create barcode reader Reader reader = new Reader(); reader.RegistrationName = "demo"; reader.RegistrationKey = "demo"; // Enable decoding of ALL known barcode types. reader.BarcodeTypesToFind.All = true; // To speed up the processing and avoid false positives select specific barcodes type, // e.g. barcodeReader.BarcodeTypesToFind.PDF417 = True FoundBarcode[] barcodes = reader.ReadFrom(wiaScanner.OutputFiles[0]); if (barcodes.Length > 0) { StringBuilder builder = new StringBuilder(); foreach (FoundBarcode barcode in barcodes) builder.AppendLine(String.Format("Found barcode with type '{0}' and value '{1}'", barcode.Type, barcode.Value)); MessageBox.Show(builder.ToString()); } else { MessageBox.Show(wiaScanner.OutputFiles[0] + "\r\n\r\nCould not find any barcode."); } } } }
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