private void btnRefresh_Click(object sender, RoutedEventArgs e)
{
try
{
Application.Current.Dispatcher.BeginInvoke((Action)(() => { gridError.Visibility = Visibility.Collapsed; }));
txtError.Text = "";
_selectedService = null;
gridInteract.Visibility = Visibility.Collapsed;
gridObserve.Visibility = Visibility.Collapsed;
if (_coapManager.GetRequest())
{
observeables.Clear();
foreach (var item in _coapManager.ObserveServices)
{
observeables.Add(item);
}
setLVSource();
}
else
{
Application.Current.Dispatcher.BeginInvoke((Action)(() => { gridError.Visibility = Visibility.Visible; }));
Application.Current.Dispatcher.BeginInvoke((Action)(() => { txtError.Text = "Unable to retrieve IoT Services."; }));
lvServices.ItemsSource = null;
}
}
catch (Exception)
{
Application.Current.Dispatcher.BeginInvoke((Action)(() => { gridError.Visibility = Visibility.Visible; }));
Application.Current.Dispatcher.BeginInvoke((Action)(() => { txtError.Text = "Unable to retrieve IoT Services."; }));
lvServices.ItemsSource = null;
}
}
private bool TestConnection()
{
COAPManager _coap = new COAPManager("10.0.1.2");
return(_coap.GetRequest());
}