public MainPage()
{
this.InitializeComponent();
timer.Interval = TimeSpan.FromSeconds(1);
timer.Tick += Timer_Tick;
device = Microsoft.Azure.Devices.Client.DeviceClient.CreateFromConnectionString(DeviceConnectionString);
InitThings();
this.Unloaded += MainPage_Unloaded;
}
public async Task UpdateReportedTwinAsync(string deviceId, string twinName, int twinValue)
{
try
{
Microsoft.Azure.Devices.Client.DeviceClient device = Microsoft.Azure.Devices.Client.DeviceClient.CreateFromConnectionString(this.Configuration.IoTHubConnectionString, deviceId);
var twinCollection = new TwinCollection();
twinCollection[twinName] = twinValue;
await device.UpdateReportedPropertiesAsync(twinCollection);
device.Dispose();
}
catch (System.InvalidOperationException)
{
}
}
private async void buttonOpen_Click(object sender, RoutedEventArgs e)
{
deviceClient = Microsoft.Azure.Devices.Client.DeviceClient.CreateFromConnectionString(tbConnectionString.Text, Microsoft.Azure.Devices.Client.TransportType.Amqp);
try
{
await deviceClient.OpenAsync();
tbMessage.Text = "Connected";
ReceiveC2DMessages();
}
catch (Exception ex)
{
Debug.WriteLine("Exception : " + ex.Message);
}
}