コード例 #1
0
 async Task <bool> CreateDeviceList_OneTime(Type[] deviceClasses)
 {
     foreach (Type ty in deviceClasses)
     {
         DeviceInformationCollection deviceList = null;
         if (ty == typeof(BarcodeScanner))
         {
             deviceList = await DeviceInformation.FindAllAsync(BarcodeScanner.GetDeviceSelector());
         }
         else if (ty == typeof(PosPrinter))
         {
             deviceList = await DeviceInformation.FindAllAsync(PosPrinter.GetDeviceSelector());
         }
         else if (ty == typeof(CashDrawer))
         {
             deviceList = await DeviceInformation.FindAllAsync(CashDrawer.GetDeviceSelector());
         }
         else if (ty == typeof(MagneticStripeReader))
         {
             deviceList = await DeviceInformation.FindAllAsync(MagneticStripeReader.GetDeviceSelector());
         }
         else if (ty == typeof(LineDisplay))
         {
             deviceList = await DeviceInformation.FindAllAsync(LineDisplay.GetDeviceSelector());
         }
         AddToSelectionList(ty, deviceList);
     }
     return(true);
 }
コード例 #2
0
 private static string GetPosSelector(Type ty)
 {
     if (ty == typeof(BarcodeScanner))
     {
         return(BarcodeScanner.GetDeviceSelector());
     }
     if (ty == typeof(PosPrinter))
     {
         return(PosPrinter.GetDeviceSelector());
     }
     if (ty == typeof(CashDrawer))
     {
         return(CashDrawer.GetDeviceSelector());
     }
     if (ty == typeof(MagneticStripeReader))
     {
         return(MagneticStripeReader.GetDeviceSelector());
     }
     if (ty == typeof(LineDisplay))
     {
         return(LineDisplay.GetDeviceSelector());
     }
     return(null);
 }
コード例 #3
0
 // By default, use all connections types.
 public static async Task <MagneticStripeReader> GetFirstMagneticStripeReaderAsync(PosConnectionTypes connectionTypes = PosConnectionTypes.All)
 {
     return(await DeviceHelpers.GetFirstDeviceAsync(MagneticStripeReader.GetDeviceSelector(connectionTypes), async (id) => await MagneticStripeReader.FromIdAsync(id)));
 }
コード例 #4
0
 public static async Task <MagneticStripeReader> GetFirstMagneticStripeReaderAsync()
 {
     return(await DeviceHelpers.GetFirstDeviceAsync(MagneticStripeReader.GetDeviceSelector(), async (id) => await MagneticStripeReader.FromIdAsync(id)));
 }