private static bool IsAppleWirelessKeyboard(int vid, int pid)
        {
            if (vid != VIDApple)
            {
                return(false);
            }
            Guid HIDGUID;

            HIDImports.HidD_GetHidGuid(out HIDGUID);

            IntPtr DeviceInfo = HIDImports.SetupDiGetClassDevs(ref HIDGUID, null, IntPtr.Zero, 16);

            uint MemberIndex = 0;

            HIDImports.SP_DEVINFO_DATA DID = new HIDImports.SP_DEVINFO_DATA()
            {
                cbSize = (uint)Marshal.SizeOf(typeof(HIDImports.SP_DEVINFO_DATA))
            };

            while (HIDImports.SetupDiEnumDeviceInfo(DeviceInfo, MemberIndex++, ref DID))
            {
                uint   RequiredSize     = 0;
                uint   PropertyDataType = 0;
                IntPtr buffer           = Marshal.AllocHGlobal(512);
                string CLASS            = "";


                if (HIDImports.SetupDiGetDeviceRegistryProperty(DeviceInfo, ref DID, (uint)HIDImports.SPDRP.SPDRP_CLASS, out PropertyDataType, buffer, 512, out RequiredSize))
                {
                    CLASS = Marshal.PtrToStringAuto(buffer);
                }

                if (CLASS.Equals("Keyboard", StringComparison.InvariantCultureIgnoreCase))
                {
                    return(true);
                }
            }

            HIDImports.SetupDiDestroyDeviceInfoList(DeviceInfo);

            return(true);
        }
        private static bool IsAppleWirelessKeyboard(int vid, int pid)
        {
            if (vid != VIDApple) return false;
            Guid HIDGUID;
            HIDImports.HidD_GetHidGuid(out HIDGUID);

            IntPtr DeviceInfo = HIDImports.SetupDiGetClassDevs(ref HIDGUID, null, IntPtr.Zero, 16);

            uint MemberIndex = 0;

            HIDImports.SP_DEVINFO_DATA DID = new HIDImports.SP_DEVINFO_DATA() { cbSize = (uint)Marshal.SizeOf(typeof(HIDImports.SP_DEVINFO_DATA)) };

            while (HIDImports.SetupDiEnumDeviceInfo(DeviceInfo, MemberIndex++, ref DID))
            {
                uint RequiredSize = 0;
                uint PropertyDataType = 0;
                IntPtr buffer = Marshal.AllocHGlobal(512);
                string CLASS = "";

                if (HIDImports.SetupDiGetDeviceRegistryProperty(DeviceInfo, ref DID, (uint)HIDImports.SPDRP.SPDRP_CLASS, out PropertyDataType, buffer, 512, out RequiredSize))
                    CLASS = Marshal.PtrToStringAuto(buffer);

                if (CLASS.Equals("Keyboard", StringComparison.InvariantCultureIgnoreCase))
                    return true;
            }

            HIDImports.SetupDiDestroyDeviceInfoList(DeviceInfo);

            return true;
        }