public void ReleaseScanner() { if (_claimedBarcodeScanner != null) { _claimedBarcodeScanner.DataReceived -= _claimedBarcodeScanner_DataReceived; _claimedBarcodeScanner.ReleaseDeviceRequested -= _claimedBarcodeScanner_ReleaseDeviceRequested; _claimedBarcodeScanner.Dispose(); _claimedBarcodeScanner = null; } _barcodeScanner = null; }
public void ReleaseScanner() { if (_claimedBarcodeScanner != null) { // Detach the event handlers _claimedBarcodeScanner.DataReceived -= _claimedBarcodeScanner_DataReceived; _claimedBarcodeScanner.ReleaseDeviceRequested -= _claimedBarcodeScanner_ReleaseDeviceRequested; // Release the Barcode Scanner and set to null _claimedBarcodeScanner.Dispose(); _claimedBarcodeScanner = null; } _barcodeScanner = null; }
private void _claimedBarcodeScanner_DataReceived(Windows.Devices.PointOfService.ClaimedBarcodeScanner sender, Windows.Devices.PointOfService.BarcodeScannerDataReceivedEventArgs args) { var rawdata = Windows.Storage.Streams.DataReader.FromBuffer(args.Report.ScanData); var barcodedata = Windows.Storage.Streams.DataReader.FromBuffer(args.Report.ScanDataLabel); // Remove the checksum string strippedbc = barcodedata.ReadString(args.Report.ScanDataLabel.Length); strippedbc = strippedbc.Remove(strippedbc.Length - 2); // Trim the end strippedbc = strippedbc.TrimEnd(); OnBarcodeScanned(args.Report.ScanDataType, rawdata.ReadString(args.Report.ScanData.Length), strippedbc); }
/// <summary> /// Claim the barcode scanner /// </summary> /// <returns>true if claimed</returns> private async Task <bool> ClaimScanner() { if (_claimedBarcodeScanner != null) { Log.Trace("Scanner was allready claimed"); return(true); } else { // claim the barcode scanner _claimedBarcodeScanner = await _barcodeScanner.ClaimScannerAsync(); // enable the claimed barcode scanner if (_claimedBarcodeScanner == null) { return(false); } } return(true); }
private void _claimedBarcodeScanner_ReleaseDeviceRequested(object sender, Windows.Devices.PointOfService.ClaimedBarcodeScanner e) { e.RetainDevice(); Log.Trace("Event ReleaseDeviceRequest received. Retaining the Barcode Scanner."); }
private void _claimedBarcodeScanner_ReleaseDeviceRequested(object sender, Windows.Devices.PointOfService.ClaimedBarcodeScanner e) { e.RetainDevice(); }