public Print1Page(IPeripheral peripheral)
        {
            // mystack.Enqueue(10);

            InitializeComponent();
            BindingContext = new PrintPageViewModel(peripheral);
            //PrintPageViewModel numberz = new PrintPageViewModel(peripheral);
            // num = numberz.Tinstant;
        }
 public PrintPage(IPeripheral peripheral)
 {
     InitializeComponent();
     BindingContext = new PrintPageViewModel(peripheral);
 }