private void actionButton_Click(object sender, EventArgs e)
{
if (currentProvider == null)
{
return;
}
if (currentProvider.IsListening)
{
currentProvider.Cancel();
}
else if (currentProvider.IsConnected)
{
currentProvider.Disconnect();
}
else
{
try {
currentProvider.ListenAsync(ListenAsyncCallback);
}
catch (Exception ex) {
// swallow
}
}
UpdateControlState();
}
