public RawInputUtils(IntPtr hwnd)
{
NativeImport.NativeStructs.RAWINPUTDEVICE[] rid = new NativeImport.NativeStructs.RAWINPUTDEVICE[1];
rid[0].usUsagePage = 0x01;
rid[0].usUsage = 0x02;
rid[0].dwFlags = RIDEV_INPUTSINK;
rid[0].hwndTarget = hwnd;
if (!NativeImport.RegisterRawInputDevices(rid, (uint)rid.Length, (uint)Marshal.SizeOf(rid[0])))
{
throw new ApplicationException("Failed to register raw input device(s).");
}
}
