public static TellerQueue getInstance()
{
if (Instance == null)
{
Instance = new TellerQueue();
}
return(Instance);
}
public QRCode(Employee emp)
{
this.tq = TellerQueue.getInstance();
this.employee = emp;
InitializeComponent();
QRCodeGenerator qrGenerator = new QRCodeGenerator();
QRCodeData qrCodeData = qrGenerator.CreateQrCode(tq.uniquequeue, QRCodeGenerator.ECCLevel.H);
XamlQRCode qrCode = new XamlQRCode(qrCodeData);
DrawingImage qrCodeAsXaml = qrCode.GetGraphic(20);
qrcode.Source = qrCodeAsXaml;
}