/// <summary> /// This method returns the first available Barcode Scanner. To enumerate and find a particular device use the device enumeration code. /// </summary> /// <returns>a boolean value based on whether it found a compatible scanner connected</returns> private async Task <bool> CreateDefaultScannerObjectAsync(BarcodeScannerInstance instance) { BarcodeScanner scanner = null; scanner = await BarcodeScanner.GetDefaultAsync(); if (scanner == null) { rootPage.NotifyUser("Barcode scanner not found. Please connect a barcode scanner.", NotifyType.ErrorMessage); return(false); } switch (instance) { case BarcodeScannerInstance.Instance1: scannerInstance1 = scanner; break; case BarcodeScannerInstance.Instance2: scannerInstance2 = scanner; break; default: return(false); } return(true); }
public async void GetScanningDevice() { _barcodeScanner = await BarcodeScanner.GetDefaultAsync(); if (_barcodeScanner != null) { _claimedBarcodeScanner = await _barcodeScanner.ClaimScannerAsync(); } else { ErrorMsg = "scanning device not found"; return; } if (_claimedBarcodeScanner != null) { _claimedBarcodeScanner.DataReceived += ClaimedBarcode_DataRecieved; _claimedBarcodeScanner.IsDecodeDataEnabled = true; await _claimedBarcodeScanner.EnableAsync(); } else { ErrorMsg = "scanning device cant be claimed "; return; } }
/// <summary> /// This method returns the first available Barcode Scanner. To enumerate and find a particular device use the device enumeration code. /// </summary> /// <returns>a boolean value based on whether it found a compatible scanner connected</returns> private async Task <bool> CreateDefaultScannerObjectAsync(BarcodeScannerInstance instance) { BarcodeScanner scanner = null; scanner = await BarcodeScanner.GetDefaultAsync(); if (scanner == null) { UpdateOutput("Scanner not found. Please connect a Barcode Scanner."); return(false); } switch (instance) { case BarcodeScannerInstance.Instance1: scannerInstance1 = scanner; UpdateOutput("Instance1 Default Barcode Scanner created."); break; case BarcodeScannerInstance.Instance2: scannerInstance2 = scanner; UpdateOutput("Instance2 Default Barcode Scanner created."); break; default: return(false); } return(true); }
private async Task <bool> CreateDefaultScannerObject() { if (scanner == null) { Debug.WriteLine("Creating barcode scanner object: Retrieving default device"); try { scanner = await BarcodeScanner.GetDefaultAsync(); } catch (Exception ex) { Debug.WriteLine("Could not retrieve default barcode device: " + ex.Message); return(false); } if (scanner == null) { Debug.WriteLine("Barcode scanner not found. Please connect a barcode scanner."); return(false); } } return(true); }
private async void GetScanner() { // only finds the first POS device connected to the pc, ok if only one POS device is connected barcodeScanner = await BarcodeScanner.GetDefaultAsync(); // for later to find a specific device //string selector = BarcodeScanner.GetDeviceSelector(); //DeviceInformationCollection deviceCollection = await DeviceInformation.FindAllAsync(selector); //foreach (DeviceInformation devInfo in deviceCollection) //{ // Debug.WriteLine("{0} {1}", devInfo.Name, devInfo.Id); // if (devInfo.Name.Contains("1202")) // { // Debug.WriteLine("Found one"); // } //} //claim device if (barcodeScanner != null) { try { claimedBarcodeScanner = await barcodeScanner.ClaimScannerAsync(); if (claimedBarcodeScanner != null) { // keep device claimed no matter what claimedBarcodeScanner.ReleaseDeviceRequested += claimedBarcodeScanner_ReleaseDeviceRequested; // enable decoding properties claimedBarcodeScanner.DataReceived += claimedBarcodeScanner_DataReceived; claimedBarcodeScanner.IsDecodeDataEnabled = true; await claimedBarcodeScanner.EnableAsync(); } Debug.WriteLine("ToString | ClaimedBarcodeObject: " + claimedBarcodeScanner.ToString()); } catch (Exception ex) { Debug.WriteLine("EX: ClaimScannerAsync() - " + ex.Message); } } else { Debug.WriteLine("No POS-Barcode Scanner found."); } //unclaim a device //if (claimedBarcodeScanner != null) //{ // claimedBarcodeScanner.Dispose(); // claimedBarcodeScanner = null; //} }
/// <summary> /// Creates the default barcode scanner. /// </summary> /// <returns>true if barcode scanner is created. Otherwise returns false</returns> private async Task <bool> CreateDefaultScannerObject() { if (scanner == null) { scanner = await BarcodeScanner.GetDefaultAsync(); if (scanner == null) { return(false); } } return(true); }
/// <summary> /// Creates the default barcode scanner. /// </summary> /// <returns>true if barcode scanner is created. Otherwise returns false</returns> private async Task <bool> CreateDefaultScannerObject() { if (scanner == null) { rootPage.NotifyUser("Creating barcode scanner object.", NotifyType.StatusMessage); scanner = await BarcodeScanner.GetDefaultAsync(); if (scanner == null) { rootPage.NotifyUser("Barcode scanner not found. Please connect a barcode scanner.", NotifyType.ErrorMessage); return(false); } } return(true); }
//<SnippetCreateBarcodeScanner> //Creates a barcode scanner. private async Task <bool> CreateDefaultScannerObject() { if (scanner == null) { scanner = await BarcodeScanner.GetDefaultAsync(); if (scanner != null) { // UpdateOutput("Default Barcode Scanner created."); // UpdateOutput("Device Id is:" + scanner.DeviceId); } else { // UpdateOutput("Barcode Scanner not found. Please connect a Barcode Scanner."); return(false); } } return(true); }
private async void buttonEnable_Click(object sender, RoutedEventArgs e) { scanner = await BarcodeScanner.GetDefaultAsync(); if (claimedScanner != null) { claimedScanner.Dispose(); } claimedScanner = await scanner.ClaimScannerAsync(); claimedScanner.DataReceived += ClamedScanner_DataReceived; await claimedScanner.EnableAsync(); claimedScanner.IsDecodeDataEnabled = true; await claimedScanner.SetActiveSymbologiesAsync(new uint[] { BarcodeSymbologies.Aztec, BarcodeSymbologies.AusPost, BarcodeSymbologies.CanPost, BarcodeSymbologies.Codabar, BarcodeSymbologies.Codablock128, BarcodeSymbologies.Code11, BarcodeSymbologies.Code128, BarcodeSymbologies.Code39, BarcodeSymbologies.Code39Ex, BarcodeSymbologies.DataMatrix, BarcodeSymbologies.Ean13, BarcodeSymbologies.Ean8, BarcodeSymbologies.Gs1128, BarcodeSymbologies.Gs1DatabarType1, BarcodeSymbologies.Gs1DatabarType2, BarcodeSymbologies.Gs1DatabarType3, BarcodeSymbologies.Pdf417, BarcodeSymbologies.Qr, BarcodeSymbologies.OcrB, BarcodeSymbologies.UccEan128, BarcodeSymbologies.Upca, BarcodeSymbologies.Upce, BarcodeSymbologies.UsPostNet, }); changeButtonEnable(true); }