Add project files.
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@@ -0,0 +1,344 @@
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using CoreScanner;
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using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.Linq;
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using System.Text;
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using System.Threading;
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using System.Threading.Tasks;
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using System.Windows;
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using System.Windows.Automation;
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using System.Windows.Controls;
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using System.Windows.Data;
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using System.Windows.Documents;
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using System.Windows.Input;
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using System.Windows.Media;
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using System.Windows.Media.Imaging;
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using System.Windows.Shapes;
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using System.Xml;
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namespace SafeBagDE70
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{
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/// <summary>
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/// Interaction logic for WelcomeWindow.xaml
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/// </summary>
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public partial class WelcomeUC : UserControl
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{
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public string? PinCode = null;
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public bool IsAuthenticated = false;
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public CCoreScannerClass? cCoreScannerClass=null;
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public WelcomeUC()
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{
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InitializeComponent();
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InitQRCodeScanner();
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Loaded += WelcomeUC_Loaded;
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}
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private void WelcomeUC_Loaded(object sender, RoutedEventArgs e)
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{
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AppData.IsAuthenticated = false;
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txtVersion.Text = "Version " + AppData.CurrentVersion;
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}
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public void Init()
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{
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AppData.IsAuthenticated = false;
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AppData.CurrentCustomerAccount = null;
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lblPincodeError.Content = "";
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PinCodeBox.Text = "";
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}
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private void LoginButton_Click(object sender, RoutedEventArgs e)
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{
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string pin = PinCodeBox.Text;
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if (ValidatePin(pin))
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{
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PinCode=PinCodeBox.Text.ToString();
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if (AppData.customerAccounts != null)
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{
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CustomerAccount? cca = null;
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if (PinCode != null)
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{
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var strPincode = PinCode.ToUpper();
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cca = AppData.customerAccounts.Where(x => x.PINCode == strPincode).FirstOrDefault();
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}
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if (cca != null)
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{
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AppData.IsAuthenticated=true;
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AppData.CurrentCustomerAccount=cca;
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AppData.GetNewTransactionCode();
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AppData.GetNewTransactionCode();
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((MainWindow)Application.Current.MainWindow).ShowDepositScreen();
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//DialogResult = true;
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//this.Close();
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}
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else
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{
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lblPincodeError.Content = "PINCODE không đúng, vui lòng thử lại";
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}
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}
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}
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else
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{
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MessageBox.Show("Invalid PIN. Please try again.");
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}
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}
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private void ForgotPin_Click(object sender, RoutedEventArgs e)
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{
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MessageBox.Show("Forgot PIN clicked.");
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}
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private void Help_Click(object sender, RoutedEventArgs e)
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{
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MessageBox.Show("Phiên bản đang sử dụng là phiên bản mới nhất");
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}
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private bool ValidatePin(string pin)
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{
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return true;
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}
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private async void PinCodeButton_Click(object sender, RoutedEventArgs e)
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{
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//var onScreenKeyboardProcess = new ProcessStartInfo("osk.exe")
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//{
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// UseShellExecute = true
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//};
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try
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{
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//var progFiles = @"C:\Program Files\Common Files\Microsoft Shared\ink";
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//var keyboardPath = System.IO.Path.Combine(progFiles, "TabTip.exe");
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//Process.Start(keyboardPath);
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// AutomationElement.FromHandle(-1);
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// string keyboardPath = @"C:\Program Files\Common Files\Microsoft Shared\ink\TabTip.exe";
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// Process.Start(keyboardPath);
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//await Launcher.LaunchUriAsync(new Uri("ms-inputapp://"));
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//var onScreenKeyboardProcess = new ProcessStartInfo(@"C:\Program Files\Common Files\Microsoft Shared\ink\TabTip.exe")
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//{
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// UseShellExecute = true
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//};
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//Process.Start(onScreenKeyboardProcess);
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QrCodePanel.Visibility = Visibility.Collapsed;
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PinCodePanel.Visibility = Visibility.Visible;
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cCoreScannerClass.BarcodeEvent -= new _ICoreScannerEvents_BarcodeEventEventHandler(OnBarcodeEvent);
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}
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catch {
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}
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}
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private void btnQRCodeLogin_Click(object sender, RoutedEventArgs e)
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{
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PinCodePanel.Visibility = Visibility.Collapsed;
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QrCodePanel.Visibility=Visibility.Visible;
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cCoreScannerClass.BarcodeEvent += new _ICoreScannerEvents_BarcodeEventEventHandler(OnBarcodeEvent);
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}
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public void InitQRCodeScanner()
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{
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try
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{
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// Instantiate CoreScanner Class
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cCoreScannerClass = new CCoreScannerClass();
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// Call Open API
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short[] scannerTypes = new short[1]; // Scanner Types you are interested in
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scannerTypes[0] = 1; // 1 for all scanner types
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short numberOfScannerTypes = 1; // Size of the scannerTypes array
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int status; // Extended API return code
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cCoreScannerClass.Open(0, scannerTypes, numberOfScannerTypes, out status);
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// Subscribe for barcode events in cCoreScannerClass
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// Let's subscribe for events
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int opcode = 1001; // Method for Subscribe events
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string outXML; // XML Output
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string inXML = "<inArgs>" +
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"<cmdArgs>" +
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"<arg-int>1</arg-int>" + // Number of events you want to subscribe
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"<arg-int>1</arg-int>" + // Comma separated event IDs
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"</cmdArgs>" +
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"</inArgs>";
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cCoreScannerClass.ExecCommand(opcode, ref inXML, out outXML, out status);
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}
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catch (Exception exp)
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{
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Console.WriteLine("Something wrong please check... " + exp.Message);
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}
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}
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private void OnBarcodeEvent(short eventType, ref string pscanData)
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{
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string xmlString = pscanData;
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XmlDocument xmlDoc = new XmlDocument();
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xmlDoc.LoadXml(xmlString);
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XmlNode rawDataNode = xmlDoc.SelectSingleNode("//datalabel");
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string rawDataHex = rawDataNode.InnerText.Trim();
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var QRCodeContentFull = HexStringToString(rawDataHex);
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string? CustomerID = null;
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VerifyQRCode(QRCodeContentFull, out CustomerID);
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if(CustomerID!=null)
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{
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this.Dispatcher.Invoke(() =>
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{
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if (AppData.customerAccounts != null)
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{
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CustomerAccount? cca = null;
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if (CustomerID != null)
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{
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cca = AppData.customerAccounts.Where(x => x.QRCode == CustomerID).FirstOrDefault();
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}
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if (cca != null)
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{
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cCoreScannerClass.BarcodeEvent -= new _ICoreScannerEvents_BarcodeEventEventHandler(OnBarcodeEvent);
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AppData.IsAuthenticated = true;
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AppData.CurrentCustomerAccount = cca;
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AppData.GetNewTransactionCode();
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((MainWindow)Application.Current.MainWindow).ShowDepositScreen();
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}
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else
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{
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lblQRcodeError.Content = "QRCODE không đúng, vui lòng thử lại";
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}
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}
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});
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}
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}
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private void VerifyQRCode(string decodedString,out string? ConsumerID)
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{
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ConsumerID = null;
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try
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{
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var qrCodeData = decodedString;
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// Extract the CRC from the QR code string
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string extractedCRC = qrCodeData.Substring(qrCodeData.Length - 4);
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// Get the data without the CRC part
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string dataWithoutCRC = qrCodeData.Substring(0, qrCodeData.Length - 8);
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// Calculate CRC
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string calculatedCRC = CalculateCRC(dataWithoutCRC);
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// Verify CRC
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if (extractedCRC.Equals(calculatedCRC, StringComparison.OrdinalIgnoreCase))
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{
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this.Dispatcher.Invoke(() =>
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{
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lblQRcodeError.Content = "CRC is valid.";
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});
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Dictionary<string, (int Length, string Value)> fields = ExtractFields(qrCodeData);
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foreach (var field in fields)
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{
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Console.WriteLine($"ID: {field.Key}, Length: {field.Value.Length}, Value: {field.Value.Value}");
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}
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var fields2 = ExtractFields(fields["38"].Value);
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var fields3 = ExtractFields(fields2["01"].Value);
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ConsumerID = fields3["01"].Value;
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}
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else
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{
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this.Dispatcher.Invoke(() =>
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{
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lblQRcodeError.Content = "CRC is invalid.";
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});
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}
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}
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catch (Exception e)
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{
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this.Dispatcher.Invoke(() =>
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{
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lblQRcodeError.Content = e.Message;
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});
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}
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}
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Dictionary<string, (int Length, string Value)> ExtractFields(string qrCodeData)
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{
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Dictionary<string, (int Length, string Value)> fields = new Dictionary<string, (int Length, string Value)>();
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int currentIndex = 0;
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while (currentIndex < qrCodeData.Length)
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{
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// Extract ID
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string id = qrCodeData.Substring(currentIndex, 2);
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currentIndex += 2;
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// Extract Length
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int length = int.Parse(qrCodeData.Substring(currentIndex, 2));
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currentIndex += 2;
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// Extract Value
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string value = qrCodeData.Substring(currentIndex, length);
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currentIndex += length;
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// Add the field to the dictionary
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fields[id] = (length, value);
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}
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return fields;
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}
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string CalculateCRC(string data)
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{
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ushort polynomial = 0x1021; // CRC-16-CCITT polynomial
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ushort crc = 0xFFFF; // Initial value
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// Convert the string to a byte array
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byte[] bytes = Encoding.ASCII.GetBytes(data + "6304"); // Append "6304" for CRC calculation as per standard
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foreach (byte b in bytes)
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{
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crc ^= (ushort)(b << 8);
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for (int i = 0; i < 8; i++)
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{
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if ((crc & 0x8000) != 0)
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{
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crc = (ushort)((crc << 1) ^ polynomial);
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}
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else
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{
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crc <<= 1;
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}
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}
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}
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// Ensure CRC is a 16-bit value
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crc &= 0xFFFF;
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// Return CRC as a hexadecimal string
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return crc.ToString("X4");
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}
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static string HexStringToString(string hexString)
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{
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string[] hexValues = hexString.Split(new[] { " " }, StringSplitOptions.RemoveEmptyEntries);
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byte[] bytes = new byte[hexValues.Length];
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for (int i = 0; i < hexValues.Length; i++)
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{
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bytes[i] = Convert.ToByte(hexValues[i], 16);
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}
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return Encoding.ASCII.GetString(bytes);
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}
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}
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}
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File diff suppressed because it is too large
Load Diff
@@ -0,0 +1,135 @@
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using VirtualKeyboard.Wpf.Types;
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namespace VirtualKeyboard.Wpf.ViewModels
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{
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class VirtualKeyboardViewModel : INotifyPropertyChanged
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{
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private string _keyboardText;
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public string KeyboardText {
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get => _keyboardText;
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set
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{
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_keyboardText = value;
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NotifyPropertyChanged(nameof(KeyboardText));
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}
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}
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private KeyboardType _keyboardType;
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public KeyboardType KeyboardType {
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get => _keyboardType;
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private set
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{
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_keyboardType = value;
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NotifyPropertyChanged(nameof(KeyboardType));
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}
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}
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private bool _uppercase;
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public bool Uppercase
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{
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get => _uppercase;
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private set
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{
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_uppercase = value;
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NotifyPropertyChanged(nameof(Uppercase));
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}
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}
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private int _caretPosition;
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public int CaretPosition
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{
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get => _caretPosition;
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set
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{
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if (value < 0) _caretPosition = 0;
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else if (value > KeyboardText.Length) _caretPosition = KeyboardText.Length;
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else _caretPosition = value;
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NotifyPropertyChanged(nameof(CaretPosition));
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}
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}
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private string _selectedValue;
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public string SelectedValue
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{
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get => _selectedValue;
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set
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{
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_selectedValue = value;
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NotifyPropertyChanged(nameof(SelectedValue));
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}
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}
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public Command AddCharacter { get; }
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public Command ChangeCasing { get; }
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public Command RemoveCharacter { get; }
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public Command ChangeKeyboardType { get; }
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public Command Accept { get; }
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public VirtualKeyboardViewModel(string initialValue)
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{
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_keyboardText = initialValue;
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_keyboardType = KeyboardType.Alphabet;
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_uppercase = false;
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CaretPosition = _keyboardText.Length;
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AddCharacter = new Command(a =>
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{
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if (a is string character)
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if (character.Length == 1)
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{
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if (Uppercase) character = character.ToUpper();
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if (!string.IsNullOrEmpty(SelectedValue))
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{
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RemoveSubstring(SelectedValue);
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KeyboardText = KeyboardText.Insert(CaretPosition, character);
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CaretPosition++;
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SelectedValue = "";
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}
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else
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{
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KeyboardText = KeyboardText.Insert(CaretPosition, character);
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CaretPosition++;
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}
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}
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});
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ChangeCasing = new Command(a => Uppercase = !Uppercase);
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RemoveCharacter = new Command(a =>
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{
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if(!string.IsNullOrEmpty(SelectedValue))
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{
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RemoveSubstring(SelectedValue);
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}
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else
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{
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var position = CaretPosition - 1;
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if (position >= 0)
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{
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KeyboardText = KeyboardText.Remove(position, 1);
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if (position < KeyboardText.Length) CaretPosition--;
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else CaretPosition = KeyboardText.Length;
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}
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}
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});
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ChangeKeyboardType = new Command(a =>
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{
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if (KeyboardType == KeyboardType.Alphabet) KeyboardType = KeyboardType.Special;
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else KeyboardType = KeyboardType.Alphabet;
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});
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Accept = new Command(a => VKeyboard.Close());
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}
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private void RemoveSubstring(string substring)
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{
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var position = KeyboardText.IndexOf(substring);
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KeyboardText = KeyboardText.Remove(position, substring.Length);
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}
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public event PropertyChangedEventHandler PropertyChanged;
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private void NotifyPropertyChanged(string prop)
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{
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PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(prop));
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}
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}
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}
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Reference in New Issue
Block a user