public void SearchDevices()
{
lock (lockObject)
{
var local = DeviceList.Local;
var devices = local.GetDevices(DeviceTypes.Hid).OfType <HidDevice>();
List <string> instances = new List <string>();
foreach (var device in devices)
{
if (ignoredDeviceService.IsIgnored(device.DevicePath))
{
continue;
}
string uniqueId = IdHelper.GetUniqueId(device.DevicePath);
instances.Add(uniqueId);
if (currentDevices.Any(d => d.UniqueId == uniqueId))
{
continue;
}
try
{
HidStream hidStream;
if (device.TryOpen(out hidStream))
{
hidStream.ReadTimeout = Timeout.Infinite;
var reportDescriptor = device.GetReportDescriptor();
var deviceItems = reportDescriptor.DeviceItems.Where(i => Match(i,
Usage.GenericDesktopGamepad, Usage.GenericDesktopJoystick, Usage.GenericDesktopMultiaxisController));
foreach (var deviceItem in deviceItems)
{
var inputDevice = new RawInputDevice(device, reportDescriptor, deviceItem, hidStream, uniqueId);
var config = inputConfigManager.LoadConfig(inputDevice.UniqueId);
inputDevice.InputConfiguration = config;
currentDevices.Add(inputDevice);
Connected?.Invoke(this, new DeviceConnectedEventArgs(inputDevice));
}
}
}
catch (Exception)
{
}
}
foreach (var device in currentDevices.ToArray())
{
string guid = device.UniqueId;
if (!instances.Any(i => i == guid))
{
currentDevices.Remove(device);
device.Dispose();
Disconnected?.Invoke(this, new DeviceDisconnectedEventArgs(device));
}
}
}
}
public static void RegisterDeviceHook(IntPtr handle)
{
var subscription = new RawInputDevice[] {
new RawInputDevice {
usUsage = 0x04, usUsagePage = 0x01, dwFlags = RawInputDeviceFlags.InputSink, hwndTarget = handle
},
new RawInputDevice {
usUsage = 0x05, usUsagePage = 0x01, dwFlags = RawInputDeviceFlags.InputSink, hwndTarget = handle
},
new RawInputDevice {
usUsage = 0x08, usUsagePage = 0x01, dwFlags = RawInputDeviceFlags.InputSink, hwndTarget = handle
},
};
var result = RegisterRawInputDevices(subscription, (uint)subscription.Length, (uint)Marshal.SizeOf <RawInputDevice>());
if (!result)
{
throw new InvalidOperationException("Failed to register hid device hook");
}
}