Raspberry Pi, Grove, Windows IoT, C#

题意：树莓派，Grove，Windows IoT，C#

问题背景：

I am currently experimenting with my Raspberry Pi with Grove sensors and Windows IoT. I am trying to launch the simpliest program but I recieve an error.

我目前正在用树莓派实验Grove传感器和Windows IoT。我试图启动一个最简单的程序，但收到了一个错误。

The code looks this way:

代码如下：

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Net.Http;
using Windows.ApplicationModel.Background;
using GrovePi;
using GrovePi.I2CDevices;
using GrovePi.Sensors;
using GrovePi.Common;

// The Background Application template is documented at http://go.microsoft.com/fwlink/?LinkID=533884&cl