private void BtnRefreshDevices_Click(object sender, RoutedEventArgs e)
{
ComPortViewModel.RefreshComPortList();
if (ComPortViewModel.ComPorts.Count > 0)
{
SelectedComPort = ComPortViewModel.ComPorts.LastOrDefault();
}
}
private IntPtr WndProc(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref bool handled)
{
// Here's where the help ends. Do what you need here.
// Get additional info from http://www.pinvoke.net/
// USB event message is msg == 0x0219 (WM_DEVICECHANGE).
// USB event plugin is wParam == 0x8000 (DBT_DEVICEARRIVAL).
// USB event unplug is wParam == 0x8004 (DBT_DEVICEREMOVECOMPLETE).
// Your device info is in lParam. Filter that.
// You need to convert wParam/lParam to Int32 using Marshal.
if (msg == 0x0219 && (wParam.ToInt64() == 0x8000) || (wParam.ToInt64() == 0x8004))
{
Debug.WriteLine("Device list changed, refreshing COM port list");
ComPortViewModel.RefreshComPortList();
}
return(IntPtr.Zero);
}
