AzureIoTHubSample.Program.Setup.IoTHub.cs

// Azure IoT Hub 接続
var azureCert = new X509Certificate(Resource.GetBytes(Resource.BinaryResources.BaltimoreCyberTrustRoot));
Client = new DeviceClient(HostName, DeviceId, SharedAccessKey, azureCert: azureCert);
while (true)
{
    try
    {
        if (Client.Open()) break;
    }
    catch
    {
        Console.CursorTop--; Console.WriteLine($" > Connect Faild");
        Thread.Sleep(1000);
    }
}