Пример #1
0
        private bool FindRockey4ND(int pos, ref int count, ref string OutPath)
        {
            int hardwareDeviceInfo;
            SP_INTERFACE_DEVICE_DATA DeviceInfoData = new SP_INTERFACE_DEVICE_DATA();
            int i;
            GUID HidGuid = new GUID();
            SP_DEVICE_INTERFACE_DETAIL_DATA functionClassDeviceData = new SP_DEVICE_INTERFACE_DETAIL_DATA();
            int requiredLength;
            int d_handle;
            HIDD_ATTRIBUTES Attributes = new HIDD_ATTRIBUTES();

            i = 0;
            HidD_GetHidGuid(ref HidGuid);

            hardwareDeviceInfo = SetupDiGetClassDevsA(ref HidGuid, 0, 0, DIGCF_PRESENT | DIGCF_DEVICEINTERFACE);

            if (hardwareDeviceInfo == INVALID_HANDLE_VALUE) return false;

            DeviceInfoData.cbSize = Marshal.SizeOf(DeviceInfoData);

            while (SetupDiEnumDeviceInterfaces(hardwareDeviceInfo, 0, ref HidGuid, i, ref DeviceInfoData))
            {
                if (GetLastError() == ERROR_NO_MORE_ITEMS) break;
                functionClassDeviceData.cbSize = Marshal.SizeOf(functionClassDeviceData) - 255;// 5;
                requiredLength = 0;
                if (!SetupDiGetDeviceInterfaceDetailA(hardwareDeviceInfo, ref DeviceInfoData, ref functionClassDeviceData, 300, ref requiredLength, 0))
                {
                    SetupDiDestroyDeviceInfoList(hardwareDeviceInfo);
                    return false;
                }
                OutPath = ByteConvertString(functionClassDeviceData.DevicePath);
                d_handle = CreateFile(OutPath, 0, FILE_SHARE_READ | FILE_SHARE_WRITE, 0, OPEN_EXISTING, 0, 0);
                if (INVALID_HANDLE_VALUE != d_handle)
                {
                    if (HidD_GetAttributes(d_handle, ref Attributes))
                    {
                        if ((Attributes.ProductID == PID) && (Attributes.VendorID == VID))
                        {
                            if (pos == count)
                            {
                                SetupDiDestroyDeviceInfoList(hardwareDeviceInfo);
                                CloseHandle(d_handle);
                                return true;
                            }
                            count = count + 1;
                        }
                    }
                    CloseHandle(d_handle);
                }
                i = i + 1;
            }
            SetupDiDestroyDeviceInfoList(hardwareDeviceInfo);
            return false;
        }
Пример #2
0
 private static extern bool HidD_GetAttributes(int HidDeviceObject, ref HIDD_ATTRIBUTES Attributes);