private void RefreshCSerialPorts_Click(object sender, RoutedEventArgs e)
{
var refreshedPorts = OutputSerialDeviceHandler.GetPorts();
SerialPorts.Clear();
foreach (var port in refreshedPorts)
{
SerialPorts.Add(port);
}
}
public async Task RefreshSerialPortsAsync()
{
var activePorts = SerialPorts.Where(p => p.IsActive).Select(p => p.PortID).ToList();
SerialPorts.Clear();
#if NETFX_CORE
var serialPortSelector = Windows.Devices.SerialCommunication.SerialDevice.GetDeviceSelector();
var devices = await DeviceInformation.FindAllAsync(serialPortSelector);
foreach (var item in devices)
{
bool isActive = activePorts.Contains(item.Id);
SerialPorts.Add(new SerialPortInfo(item.Id, item.Name, isActive));
if (isActive)
{
activePorts.Remove(item.Id);
}
}
#else //.NET
foreach (var item in System.IO.Ports.SerialPort.GetPortNames())
{
bool isActive = activePorts.Contains(item);
SerialPorts.Add(new SerialPortInfo(item, item, isActive));
if (isActive)
{
activePorts.Remove(item.Id);
}
}
#endif
#if DEBUG
// SerialPorts.Add(new SerialPortInfo("//COM-TEST/1", "Test Port 1"));
// SerialPorts.Add(new SerialPortInfo("//COM-TEST/2", "Test Port 2"));
// SerialPorts.Add(new SerialPortInfo("//COM-TEST/3", "Test Port 3"));
// SerialPorts.Add(new SerialPortInfo("//COM-TEST/4", "Test Port 4"));
#endif
// Remove controllers on ports that were active but lost
foreach (var item in activePorts)
{
Watcher.Instance.RemoveController(item);
}
}
public async Task RefreshPorts()
{
var token = _cancellationSource.Token;
IsRefreshBusy = true;
await Task.Delay(750, token).ConfigureAwait(true);
var lastSelectedDeviceId = SelectedSerialPortDeviceId;
SerialPorts.Clear();
try
{
var scope = new ManagementScope("\\\\.\\ROOT\\cimv2");
var observer = new ManagementOperationObserver();
using var searcher = new ManagementObjectSearcher(scope, new SelectQuery("Win32_PnPEntity"));
observer.ObjectReady += (_, e) =>
{
var portInfo = SerialPortInfo.FromManagementObject(e.NewObject as ManagementObject);
if (portInfo == null)
{
return;
}
SerialPorts.Add(portInfo);
};
var taskCompletion = new TaskCompletionSource();
observer.Completed += (_, _) => taskCompletion.TrySetResult();
searcher.Get(observer);
using (token.Register(() => taskCompletion.TrySetCanceled()))
await taskCompletion.Task.WaitAsync(token).ConfigureAwait(true);
}
catch { }
SelectSerialPortByDeviceId(lastSelectedDeviceId);
await Task.Delay(250, token).ConfigureAwait(true);
IsRefreshBusy = false;
}
