/// <summary>
/// Returns device connection string
/// </summary>
/// <param name="service"></param>
/// <param name="deviceId"></param>
/// <param name="primary"></param>
/// <returns></returns>
public static async Task <ConnectionString> GetConnectionStringAsync(
this IIoTHubTwinServices service, string deviceId, bool primary = true)
{
var model = await service.GetRegistrationAsync(deviceId);
if (model == null)
{
throw new ResourceNotFoundException("Could not find " + deviceId);
}
return(ConnectionString.CreateDeviceConnectionString(service.HostName,
deviceId, primary ?
model.Authentication.PrimaryKey : model.Authentication.SecondaryKey));
}