/// <summary>
/// Send message from the device to the cloud
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void SendMessge_Click(object sender, RoutedEventArgs e)
{
try
{
// you have to have a device registered before you send a message. If not display message
// and return
if (device == null)
{
Messages.Items.Add($"Please make sure to register the device by clicking Create Device");
MessageBox.Show("Please make sure to register the device by clicking Create Device", "Create Device");
return;
}
// Initialize the DeviceCommsHelper so we can send/recieve messages
DeviceCommsHelper.Initialize(Utils.ReadSetting("iotHubUri"), Utils.ReadSetting("DeviceName"),
device.Authentication.SymmetricKey.PrimaryKey);
Messages.Items.Add($"Initialized IoT Hub Comms");
// create the sample data
IoTData ioTData = new IoTData()
{
ClientDevice = device.Id,
LockId = "57"
};
// Searlize the sample data to JSON
var jsonMessage = JsonConvert.SerializeObject(ioTData);
// Send the message to the IOTHub
DeviceCommsHelper.SendDeviceToCloudMessagesAsync(jsonMessage);
Messages.Items.Add($"Sent message to IoT Hub");
}
catch (Exception ex)
{
Messages.Items.Add($"{Utils.FormatExceptionMessage(ex)}");
Console.WriteLine($"{Utils.FormatExceptionMessage(ex)}");
throw ex;
}
}
/// <summary>
/// This method will wait for cloud to device messages
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void ReadMessge_Click(object sender, RoutedEventArgs e)
{
try
{
// Initialize the DeviceCommsHelper so we can send/recieve messages
DeviceCommsHelper.Initialize(Utils.ReadSetting("iotHubUri"), Utils.ReadSetting("DeviceName"),
device.Authentication.SymmetricKey.PrimaryKey);
Messages.Items.Add($"Initialize connection to IoT Hub");
DeviceCommsHelper.ReceiveCloudMessageAsync();
Messages.Items.Add($"Tune into Channel for Cloud to device messages");
}
catch (Exception ex)
{
Messages.Items.Add($"{Utils.FormatExceptionMessage(ex)}");
Console.WriteLine($"{Utils.FormatExceptionMessage(ex)}");
throw ex;
}
}
