class lanya {
public string bluename { get; set; }                  //l蓝牙名字
public bluetoothaddress blueaddress { get; set; }        //蓝牙的唯一标识符
public classofdevice blueclassofdevice { get; set; }      //蓝牙是何种类型
public bool isblueauth { get; set; }                  //指定设备通过验证
public bool isblueremembered { get; set; }            //记住设备
public datetime bluelastseen { get; set; }
public datetime bluelastused { get; set; }
}

list<lanya> lanyalist = new list<lanya>();        //搜索到的蓝牙的集合
bluetoothclient client = new bluetoothclient();      
bluetoothradio radio = bluetoothradio.primaryradio; //获取蓝牙适配器
radio.mode = radiomode.connectable;            
bluetoothdeviceinfo[] devices = client.discoverdevices();//搜索蓝牙 10秒钟
foreach (var item in devices) {
lanyalist.add(new lanya { bluename = item.devicename, blueaddress = item.deviceaddress, blueclassofdevice = item.classofdevice, isblueauth = item.authenticated, isblueremembered = item.remembered, bluelastseen = item.lastseen, bluelastused = item.lastused });//把搜索到的蓝牙添加到集合中
}
 

bluetoothclient blueclient = new bluetoothclient();
guid mguid1 = bluetoothservice.handsfree;    //蓝牙服务的uuid
 
blueclient.connect(s.blueaddress, mguid)   //开始配对 蓝牙4.0不需要setpin

bluetoothclient bl = new bluetoothclient();//
guid mguid2 = guid.parse("00001101-0000-1000-8000-00805f9b34fb");//蓝牙串口服务的uuiid

try
{
bl.connect(s.blue_address, mguid);
//"连接成功";
}
catch(exception x)
{
//异常
}

var v = bl.getstream();
byte[] senddata = encoding.default.getbytes(“人生苦短，我用python”);
v.write(senddata, 0, senddata.length);       //发送

bluetoothlistener = new bluetoothlistener(mguid2);
bluetoothlistener.start();//开始监听

bl = bluetoothlistener.acceptbluetoothclient();//接收


while (true)
{
byte[] buffer = new byte[100];
stream peerstream = bl.getstream();

peerstream.read(buffer, 0, buffer.length);

string data= encoding.utf8.getstring(buffer).tostring().replace("\0", "");//去掉后面的\0字节
}