private void button2_Click(object sender, EventArgs e)
{
if (listView1.SelectedIndices.Count < 1)
{
System.Console.WriteLine("Please select reader first!");
}
else
{
textBox3.Text = "Please wait, connecting..." + Environment.NewLine;
_reader.rfid.OnStateChanged += new EventHandler <CSLibrary.Events.OnStateChangedEventArgs>(StateChangedEvent);
_reader.ConnectAsync(CSLibrary.DeviceFinder.GetDeviceInformation(listView1.SelectedIndices[0]));
}
}