private async void btnConfirm_Click(object sender, RoutedEventArgs e)
{
try
{
await hc.DeleteMessage("https://[servicebusname].servicebus.windows.net/open/subscriptions/all", m_msg.brokerProperties.MessageId, m_msg.brokerProperties.LockToken.Value);
txtInfo.Text = "";
}
catch (Exception ex)
{
//Too slow,lock timeout, message was processed on another station
}
btnConfirm.IsEnabled = false;
await Task.Factory.StartNew(waitForMessage);
}