Beispiel #1
0
 public void EnumerateHid()
 {
     lock (_lock)
     {
         _hidList.Clear();
         uint devices = 0u;
         int  size    = Marshal.SizeOf(typeof(RawInputDeviceList));
         if (Win32Methods.GetRawInputDeviceList(IntPtr.Zero, ref devices, (uint)size) != 0u)
         {
             throw new Win32Exception(Marshal.GetLastWin32Error());
         }
         IntPtr pRawInputDeviceList = Marshal.AllocHGlobal((int)(size * devices));
         try
         {
             Win32Methods.GetRawInputDeviceList(pRawInputDeviceList, ref devices, (uint)size);
             int index = 0;
             while (index < devices)
             {
                 RawHidDevice device = GetHid(pRawInputDeviceList, size, index);
                 if (device != null && !_hidList.ContainsKey(device.Handle))
                 {
                     Debug.WriteLine("Added Hid; Handle: {0}, Name: {1}, Type: {2}, Description: {3}", (uint)device.Handle, device.Name, device.Type, device.Description);
                     _hidList.Add(device.Handle, device);
                 }
                 index++;
             }
         }
         finally
         {
             Marshal.FreeHGlobal(pRawInputDeviceList);
         }
         NumberOfHid = _hidList.Count;
     }
 }
Beispiel #2
0
 internal RawInputHidEventArgs(RawHidDevice device, uint sizeHid, uint count, byte[] rawData)
 {
     Device  = device;
     SizeHid = sizeHid;
     Count   = count;
     RawData = new byte[sizeHid * count];
     for (int i = 0; i < sizeHid * count; i++)
     {
         RawData[i] = rawData[i];
     }
 }