using System;

 using System.Runtime.InteropServices;

 using Microsoft.Win32.SafeHandles;

 using System.Text;

 namespace Win32

 {

     static partial class Function

     {

         [DllImport("hid.dll", CharSet = CharSet.Unicode)]

         public static extern HidStatus HidP_GetUsagesEx(HIDP_REPORT_TYPE ReportType, ushort LinkCollection, [Out, MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 3)] USAGE_AND_PAGE[] ButtonList, ref uint UsageLength, IntPtr PreparsedData, [MarshalAs(UnmanagedType.LPArray)] byte[] Report, uint ReportLength);

         [DllImport("hid.dll", CharSet = CharSet.Auto, SetLastError = true)]

         public static extern Boolean HidD_GetManufacturerString(SafeFileHandle HidDeviceObject, StringBuilder Buffer, Int32 BufferLength);

         [DllImport("hid.dll", CharSet = CharSet.Auto, SetLastError = true)]

         public static extern Boolean HidD_GetProductString(SafeFileHandle HidDeviceObject, StringBuilder Buffer, Int32 BufferLength);

         [DllImport("hid.dll", CharSet = CharSet.Auto, SetLastError = true)]

         public static extern Boolean HidD_GetAttributes(SafeFileHandle HidDeviceObject, ref HIDD_ATTRIBUTES Attributes);

     }

     static partial class Macro

     {

     }

     static partial class Const

     {

     }

     public enum HIDP_REPORT_TYPE : ushort

     {

         HidP_Input = 0,

         HidP_Output,

         HidP_Feature

     }

     public enum HidStatus : uint

     {

         HIDP_STATUS_SUCCESS = 0x110000,

         HIDP_STATUS_NULL = 0x80110001,

         HIDP_STATUS_INVALID_PREPARSED_DATA = 0xc0110001,

         HIDP_STATUS_INVALID_REPORT_TYPE = 0xc0110002,

         HIDP_STATUS_INVALID_REPORT_LENGTH = 0xc0110003,

         HIDP_STATUS_USAGE_NOT_FOUND = 0xc0110004,

         HIDP_STATUS_VALUE_OUT_OF_RANGE = 0xc0110005,

         HIDP_STATUS_BAD_LOG_PHY_VALUES = 0xc0110006,

         HIDP_STATUS_BUFFER_TOO_SMALL = 0xc0110007,

         HIDP_STATUS_INTERNAL_ERROR = 0xc0110008,

         HIDP_STATUS_I8042_TRANS_UNKNOWN = 0xc0110009,

         HIDP_STATUS_INCOMPATIBLE_REPORT_ID = 0xc011000a,

         HIDP_STATUS_NOT_VALUE_ARRAY = 0xc011000b,

         HIDP_STATUS_IS_VALUE_ARRAY = 0xc011000c,

         HIDP_STATUS_DATA_INDEX_NOT_FOUND = 0xc011000d,

         HIDP_STATUS_DATA_INDEX_OUT_OF_RANGE = 0xc011000e,

         HIDP_STATUS_BUTTON_NOT_PRESSED = 0xc011000f,

         HIDP_STATUS_REPORT_DOES_NOT_EXIST = 0xc0110010,

         HIDP_STATUS_NOT_IMPLEMENTED = 0xc0110020,

         HIDP_STATUS_I8242_TRANS_UNKNOWN = 0xc0110009

     }

     [StructLayout(LayoutKind.Sequential)]

     public struct USAGE_AND_PAGE

     {

         public ushort Usage;

         public ushort UsagePage;

     };

     [StructLayout(LayoutKind.Sequential)]

     public struct HIDD_ATTRIBUTES

     {

         public uint Size;

         public ushort VendorID;

         public ushort ProductID;

         public ushort VersionNumber;

     }

 }