static public void Start(int vid)
{
int lastDeviceCnt = 0;
HidDevicesList = new List <HidDevice>();
if (!IsConnected)
{
var _hidTask = Task.Factory.StartNew(() =>
{
//while (hidDevice == null)
while (true)
{
HidDevicesList = HidDevices.Enumerate(vid).ToList();
if (HidDevicesList.Count != lastDeviceCnt)
{
Console.WriteLine("Device list updated");
DeviceListUpdated?.Invoke();
}
lastDeviceCnt = HidDevicesList.Count;
Thread.Sleep(50);
}
});
}
}
public void EnumerateDevices()
{
lock (lockObj)
{
DevicesByHandle.Clear();
DevicesByID.Clear();
Device globalDevice = new Device("Global Keyboard", Win32.GetDeviceType(DeviceType.Keyboard), "Fake Keyboard, some keys are sent to RawInput with a handle of zero.");
DevicesByHandle.Add(globalDevice.Handle, globalDevice);
DevicesByID.Add(globalDevice.ID, globalDevice);
uint deviceCount = 0;
uint dwSize = (uint)(Marshal.SizeOf(typeof(RawInputDeviceList)));
if (Win32.GetRawInputDeviceList(IntPtr.Zero, ref deviceCount, dwSize) == 0)
{
IntPtr pRawInputDeviceList = Marshal.AllocHGlobal((int)(dwSize * deviceCount));
Win32.GetRawInputDeviceList(pRawInputDeviceList, ref deviceCount, dwSize);
for (var i = 0; i < deviceCount; i++)
{
RawInputDeviceList rid = (RawInputDeviceList)Marshal.PtrToStructure(new IntPtr((pRawInputDeviceList.ToInt64() + (dwSize * i))), typeof(RawInputDeviceList));
uint pcbSize = 0;
Win32.GetRawInputDeviceInfo(rid.hDevice, RawInputDeviceInfo.RIDI_DEVICENAME, IntPtr.Zero, ref pcbSize);
if (pcbSize <= 0)
{
continue;
}
IntPtr pData = Marshal.AllocHGlobal((int)pcbSize);
Win32.GetRawInputDeviceInfo(rid.hDevice, RawInputDeviceInfo.RIDI_DEVICENAME, pData, ref pcbSize);
string deviceID = Marshal.PtrToStringAnsi(pData);
if (rid.dwType == (uint)DeviceType.Keyboard || rid.dwType == (uint)DeviceType.HID)
{
string deviceName = Win32.GetDeviceDescription(deviceID);
Device device = new Device(deviceID, Win32.GetDeviceType(rid.dwType), rid.hDevice, deviceName);
if (!DevicesByHandle.ContainsKey(rid.hDevice))
{
DevicesByHandle.Add(rid.hDevice, device);
}
if (!DevicesByID.ContainsKey(device.ID))
{
DevicesByID.Add(device.ID, device);
}
}
Marshal.FreeHGlobal(pData);
}
Marshal.FreeHGlobal(pRawInputDeviceList);
Console.WriteLine($"Found {DevicesByHandle.Count - 1} device(s)");
DeviceListUpdated?.Invoke(this, Devices);
return;
}
}
throw new Win32Exception(Marshal.GetLastWin32Error());
}
public void ProcDeviceListUpdated()
{
DeviceListUpdated?.InvokeOnMainThread(this);
}
